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  Plantae
      Charophyta
        Streptophytina
            Equisetopsida
              Magnoliidae
                    Asparagales
                            Orchidaceae
                                     Acianthus
                                             Acianthus exsertus
                                             Acianthus fornicatus
                                             Acianthus sinclairii
                                     Acineta
                                             Acineta superba
                                                   [Acineta humboldtii]
                                     Acriopsis
                                             Acriopsis liliifolia
                                               Acriopsis liliifolia var. liliifolia
                                                     [Acriopsis javanica]
                                     Aeranthes
                                     Aerides
                                             Aerides falcata
                                             Aerides odorata
                                             Aerides ringens
                                             Aerides suavissimum
                                             Aerides vandarum
                                     Aganisia
                                             Aganisia pulchella
                                     Agrostophyllum
                                             Agrostophyllum glumaceum
                                             Agrostophyllum malindangense
                                             Agrostophyllum stipulatum
                                               Agrostophyllum stipulatum subsp. bicuspidatum
                                     Altensteinia
                                             Altensteinia fimbriata
                                     Amerorchis
                                             Amerorchis rotundifolia
                                                   [Orchis rotundifolia var. lineata]
                                                   [Orchis rotundifolia]
                                     Amesia
                                             Amesia rubiginosa
                                     Amphiglottis
                                     Anacamptis
                                             Anacamptis morio
                                               Anacamptis morio subsp. longicornu
                                                     [Orchis longicornu]
                                             Anacamptis palustris
                                                   [Orchis laxiflora var. palustris]
                                               Anacamptis palustris subsp. elegans
                                                     [Orchis elegans]
                                             Anacamptis pyramidalis
                                     Angraecum
                                             Angraecum germinyanum
                                             Angraecum ramosum
                                     Ansellia
                                             Ansellia africana
                                     Aphyllorchis
                                             Aphyllorchis montana
                                             Aphyllorchis pallida
                                     Aplectrum
                                             Aplectrum hyemale
                                             Aplectrum spicatum
                                               Aplectrum spicatum var. pallidum
                                     Apostasia
                                             Apostasia nuda
                                     Appendicula
                                             Appendicula clemensiae
                                             Appendicula cornuta
                                             Appendicula lucbanensis
                                             Appendicula reflexa
                                             Appendicula torta
                                     Arethusa
                                             Arethusa bulbosa
                                             Arethusa verticillata
                                     Arpophyllum
                                             Arpophyllum giganteum
                                     Artorima
                                             Artorima erubescens
                                     Arundina
                                             Arundina graminifolia
                                                   [Arundina bambusifolia]
                                               Arundina graminifolia subsp. graminifolia
                                                     [Arundina chinensis]
                                     Barbosella
                                     Barkeria
                                             Barkeria lindleyana
                                             Barkeria palmeri
                                             Barkeria uniflora
                                                   [Barkeria elegans]
                                     Basiphyllaea
                                             Basiphyllaea corallicola
                                                   [Basiphyllaea angustifolia]
                                             Basiphyllaea sarcophylla
                                                   [Bletia sarcophylla]
                                     Beadlea
                                     Beloglottis
                                             Beloglottis costaricensis
                                                   [Spiranthes costaricensis]
                                     Bipinnula
                                     Blephariglotis
                                             Blephariglotis grandiflora
                                     Blephariglottis
                                             Blephariglottis lacera
                                             Blephariglottis psycodes
                                     Bletia
                                           [Carteria]
                                             Bletia adenocarpa
                                             Bletia aphylla
                                             Bletia campanulata
                                             Bletia coccinea
                                             Bletia corallicola
                                                   [Carteria corallicola]
                                             Bletia ensifolia
                                             Bletia florida
                                             Bletia fulgens
                                             Bletia gracilis
                                             Bletia macristhmochila
                                             Bletia mexicana
                                                   [Hexalectris mexicana]
                                             Bletia palmeri
                                             Bletia patula
                                               Bletia patula var. patula
                                             Bletia purpurata
                                             Bletia purpurea
                                             Bletia reflexa
                                             Bletia secunda
                                             Bletia shepherdii
                                             Bletia tenera
                                             Bletia tuberosa
                                     Bletilla
                                             Bletilla striata
                                     Bonatea
                                             Bonatea cassidea
                                                   [Habenaria saundersiae]
                                     Brachycorythis
                                             Brachycorythis galeandra
                                                   [Habenaria galeandra]
                                     Brassavola
                                             Brassavola acaulis
                                             Brassavola cordata
                                             Brassavola cucullata
                                             Brassavola grandiflora
                                             Brassavola martiana
                                             Brassavola nodosa
                                             Brassavola subulifolia
                                             Brassavola venosa
                                     Brassia
                                             Brassia caudata
                                             Brassia maculata
                                             Brassia neglecta
                                             Brassia verrucosa
                                     Bromheadia
                                             Bromheadia finlaysoniana
                                     Broughtonia
                                             Broughtonia negrilensis
                                             Broughtonia sanguinea
                                     Brownleea
                                             Brownleea coerulea
                                             Brownleea parviflora
                                             Brownleea recurvata
                                     Bulbophyllum
                                           [Cirrhopetalum]
                                             Bulbophyllum angustifolium
                                             Bulbophyllum falcatum
                                             Bulbophyllum flavescens
                                             Bulbophyllum guamense
                                             Bulbophyllum longiflorum
                                             Bulbophyllum odoratum
                                                   [Bulbophyllum mindanaense]
                                             Bulbophyllum pachyrachis
                                                   [Pleurothallis pachyrachis]
                                             Bulbophyllum umbellatum
                                               Bulbophyllum umbellatum var. umbellatum
                                                     [Cirrhopetalum saruwatarii]
                                             Bulbophyllum vaginatum
                                     Caladenia
                                             Caladenia barbata
                                             Caladenia carnea
                                             Caladenia emarginata
                                                   [Glossodia emarginata]
                                             Caladenia filamentosa
                                             Caladenia flava
                                             Caladenia gemmata
                                             Caladenia hirta
                                             Caladenia latifolia
                                             Caladenia patersonii
                                             Caladenia pulcherrima
                                     Calanthe
                                           [Cephalantheropsis]
                                           [Ghiesbreghtia]
                                             Calanthe aurantiaca
                                             Calanthe carrii
                                             Calanthe discolor
                                             Calanthe graciliflora
                                             Calanthe hololeuca
                                             Calanthe lyroglossa
                                               Calanthe lyroglossa var. lyroglossa
                                             Calanthe puberula
                                             Calanthe pulchra
                                             Calanthe tricarinata
                                             Calanthe triplicata
                                                   [Calanthe furcata]
                                             Calanthe vestita
                                     Calceolaria
                                             Calceolaria aconcaguina
                                             Calceolaria ajugoides
                                             Calceolaria alata
                                                   [Fagelia alata]
                                             Calceolaria andina
                                                   [Calceolaria secunda]
                                             Calceolaria angustiflora
                                                   [Calceolaria multiflora]
                                             Calceolaria anisanthera
                                             Calceolaria annua
                                                   [Calceolaria subscaposa]
                                             Calceolaria aperta
                                             Calceolaria aquatica
                                             Calceolaria arachnoidea
                                             Calceolaria argentea
                                                   [Calceolaria decus-montium]
                                             Calceolaria ascendens
                                               Calceolaria ascendens subsp. exigua
                                                     [Calceolaria exigua]
                                                     [Calceolaria miserrima]
                                               Calceolaria ascendens subsp. glandulifera
                                                     [Calceolaria bipartita]
                                                     [Calceolaria glandulifera]
                                               Calceolaria ascendens subsp. pristiphylla
                                                     [Calceolaria pristiphylla]
                                             Calceolaria asperula
                                             Calceolaria atahualpae
                                               Calceolaria atahualpae subsp. atahualpae
                                                     [Calceolaria pearceana]
                                               Calceolaria atahualpae subsp. witasekiana
                                                     [Calceolaria excelsior]
                                             Calceolaria auriculata
                                             Calceolaria ballotifolia
                                                   [Calceolaria leucantha]
                                             Calceolaria bartsiifolia
                                                   [Calceolaria pflanzii]
                                             Calceolaria belophora
                                             Calceolaria bicolor
                                                   [Calceolaria macrocalyx]
                                                   [Calceolaria malacophylla]
                                                   [Calceolaria trifida]
                                             Calceolaria bicrenata
                                             Calceolaria biflora
                                                   [Fagelia falklandica]
                                             Calceolaria bogotensis
                                                   [Fagelia bogotensis]
                                             Calceolaria boliviana
                                                   [Calceolaria crenulata]
                                                   [Fagelia boliviana]
                                             Calceolaria brachiata
                                             Calceolaria brunellifolia
                                                   [Calceolaria bellidifolia]
                                             Calceolaria buchtieniana
                                                   [Calceolaria tenuifolia]
                                             Calceolaria bullata
                                             Calceolaria cajabambae
                                                   [Calceolaria brachyantha]
                                                   [Calceolaria linearioides]
                                             Calceolaria calycina
                                                   [Calceolaria kraenzliniae]
                                             Calceolaria campanae
                                             Calceolaria cana
                                             Calceolaria cavanillesii
                                                   [Calceolaria recta]
                                             Calceolaria chaetostemon
                                             Calceolaria chelidonioides
                                                   [Calceolaria grandepinnata]
                                                   [Calceolaria obscura]
                                                   [Fagelia diversifolia]
                                                   [Fagelia pinnatisecta]
                                             Calceolaria chrysosphaera
                                                   [Calceolaria hirsutula]
                                             Calceolaria collina
                                               Calceolaria collina subsp. collina
                                                     [Calceolaria ascendens var. coquimbensis]
                                                     [Calceolaria coquimbensis]
                                                     [Calceolaria fulva]
                                               Calceolaria collina subsp. conferta
                                                     [Calceolaria conferta]
                                                     [Calceolaria fulva f. viscosa]
                                               Calceolaria collina subsp. subincisa
                                                     [Calceolaria abscondita]
                                                     [Calceolaria quadriradiata]
                                             Calceolaria colombiana
                                             Calceolaria colquepatana
                                                   [Calceolaria aurea]
                                             Calceolaria comosa
                                               Calceolaria comosa subsp. comosa
                                                     [Calceolaria cinerea]
                                                     [Calceolaria mollis]
                                             Calceolaria connatifolia
                                             Calceolaria conocarpa
                                             Calceolaria cordiformis
                                             Calceolaria corymbosa
                                               Calceolaria corymbosa subsp. corymbosa
                                                     [Calceolaria cordata]
                                                     [Calceolaria racemosa]
                                               Calceolaria corymbosa subsp. floccosa
                                                     [Calceolaria floccosa]
                                               Calceolaria corymbosa subsp. mimuloides
                                                     [Calceolaria mimuloides]
                                                     [Calceolaria oligantha]
                                               Calceolaria corymbosa subsp. montana
                                                     [Calceolaria montana]
                                               Calceolaria corymbosa subsp. tetraphylla
                                                     [Calceolaria tetraphylla]
                                             Calceolaria crenata
                                                   [Calceolaria amplexicaulis]
                                                   [Calceolaria fallax]
                                                   [Calceolaria floribunda]
                                             Calceolaria crenatiflora
                                                   [Calceolaria cunninghamii]
                                                   [Calceolaria hollermayeri]
                                             Calceolaria cuneiformis
                                               Calceolaria cuneiformis subsp. cuneiformis
                                                     [Calceolaria collanensis]
                                             Calceolaria cypripediiflora
                                                   [Calceolaria drepanantha]
                                                   [Calceolaria furcata]
                                             Calceolaria deflexa
                                               Calceolaria deflexa subsp. deflexa
                                                     [Calceolaria deflexa var. aurantiaca]
                                             Calceolaria densifolia
                                             Calceolaria dentata
                                               Calceolaria dentata subsp. araucana
                                                     [Calceolaria araucana]
                                               Calceolaria dentata subsp. dentata
                                                     [Calceolaria ambigua]
                                                     [Calceolaria cheiranthoides]
                                                     [Calceolaria compacta]
                                             Calceolaria dentifolia
                                             Calceolaria dichotoma
                                               Calceolaria dichotoma subsp. dichotoma
                                                     [Calceolaria anagalloides]
                                                     [Calceolaria lysimachioides]
                                             Calceolaria dilatata
                                                   [Calceolaria peralata]
                                             Calceolaria divaricata
                                             Calceolaria elatior
                                                   [Calceolaria camptoclada]
                                                   [Calceolaria leiophylla]
                                             Calceolaria engleriana
                                               Calceolaria engleriana subsp. engleriana
                                                     [Calceolaria engleriana subsp. acuminata]
                                                     [Calceolaria epilobioides]
                                                     [Calceolaria rhizomatosa]
                                                     [Calceolaria urubambae]
                                                     [Calceolaria viminalis]
                                             Calceolaria ericoides
                                             Calceolaria extensa
                                             Calceolaria ferruginea
                                                   [Calceolaria ledifolia]
                                             Calceolaria filicaulis
                                               Calceolaria filicaulis subsp. filicaulis
                                                     [Calceolaria flabellifolia]
                                                     [Calceolaria palenae]
                                               Calceolaria filicaulis subsp. luxurians
                                                     [Calceolaria pannosa]
                                             Calceolaria flexuosa
                                               Calceolaria flexuosa subsp. chrysocalyx
                                                     [Calceolaria chrysocalyx]
                                             Calceolaria fothergillii
                                             Calceolaria fusca
                                                   [Calceolaria acuminata]
                                                   [Calceolaria parotricha]
                                                   [Calceolaria steyermarkii]
                                             Calceolaria georgiana
                                             Calceolaria germainii
                                             Calceolaria glandulosa
                                               Calceolaria glandulosa subsp. glandulosa
                                                     [Calceolaria dumetorum]
                                                     [Calceolaria kingii]
                                                     [Calceolaria silenoides]
                                             Calceolaria glauca
                                             Calceolaria gossypina
                                                   [Calceolaria erioclada]
                                             Calceolaria grandiflora
                                             Calceolaria helianthemoides
                                             Calceolaria heterophylla
                                             Calceolaria hirtiflora
                                                   [Calceolaria sphaerantha]
                                             Calceolaria hispida
                                             Calceolaria hyssopifolia
                                                   [Calceolaria perrevoluta]
                                             Calceolaria inamoena
                                               Calceolaria inamoena subsp. inamoena
                                                     [Calceolaria aberrans]
                                               Calceolaria inamoena subsp. millefoliata
                                                     [Calceolaria millefoliata]
                                             Calceolaria inaudita
                                             Calceolaria incachacensis
                                             Calceolaria incarum
                                             Calceolaria inflexa
                                                   [Calceolaria altissima]
                                                   [Calceolaria laxa]
                                             Calceolaria irazuensis
                                                   [Calceolaria costaricensis]
                                             Calceolaria lamiifolia
                                                   [Calceolaria saxatilis]
                                             Calceolaria lanata
                                                   [Calceolaria lanuginosa]
                                             Calceolaria lanigera
                                             Calceolaria lasiocalyx
                                             Calceolaria latifolia
                                                   [Calceolaria longepetiolata]
                                                   [Calceolaria stachydifolia]
                                             Calceolaria lavandulifolia
                                             Calceolaria lehmanniana
                                             Calceolaria lepida
                                             Calceolaria lepidota
                                             Calceolaria leptantha
                                                   [Calceolaria scandens]
                                             Calceolaria leucanthera
                                             Calceolaria linearis
                                                   [Calceolaria alternifolia]
                                             Calceolaria llamaensis
                                             Calceolaria lobata
                                                   [Fagelia lobata var. glabriuscula]
                                                   [Fagelia lobata]
                                             Calceolaria lojensis
                                                   [Calceolaria espinosae]
                                                   [Calceolaria rotundata]
                                             Calceolaria ludens
                                                   [Calceolaria ramosissima]
                                             Calceolaria luteocalyx
                                             Calceolaria maculata
                                             Calceolaria mandoniana
                                             Calceolaria martinezii
                                                   [Calceolaria patens]
                                             Calceolaria melissifolia
                                             Calceolaria mexicana
                                               Calceolaria mexicana subsp. mexicana
                                                     [Calceolaria laciniata]
                                                     [Calceolaria palustris subsp. megacarpa]
                                                     [Calceolaria palustris]
                                                     [Calceolaria urticina]
                                                     [Fagelia crenatiloba]
                                                     [Fagelia micrantha]
                                                     [Fagelia radiculoides]
                                               Calceolaria mexicana subsp. perijensis
                                                     [Calceolaria perijensis]
                                               Calceolaria mexicana subsp. prostrata
                                                     [Calceolaria prostrata]
                                             Calceolaria meyeniana
                                               Calceolaria meyeniana subsp. glabrata
                                                     [Calceolaria glabrata]
                                               Calceolaria meyeniana subsp. meyeniana
                                                     [Calceolaria andicola]
                                                     [Calceolaria crocea]
                                                     [Calceolaria landbeckii]
                                               Calceolaria meyeniana subsp. nahuelbutae
                                                     [Calceolaria nahuelbutae]
                                                     [Calceolaria vernicosa]
                                             Calceolaria microbefaria
                                               Calceolaria microbefaria subsp. fruticosa
                                                     [Calceolaria pachycyta]
                                                     [Fagelia fruticosa]
                                               Calceolaria microbefaria subsp. microbefaria
                                                     [Calceolaria fruticosa subsp. pamplonensis]
                                                     [Calceolaria fruticosa subsp. reticulata]
                                                     [Calceolaria storkii]
                                               Calceolaria microbefaria subsp. tatamana
                                                     [Calceolaria tatamana]
                                             Calceolaria mollissima
                                                   [Calceolaria villosa]
                                             Calceolaria moyobambae
                                             Calceolaria myriophylla
                                             Calceolaria nevadensis
                                               Calceolaria nevadensis subsp. meridensis
                                                     [Calceolaria meridensis]
                                               Calceolaria nevadensis subsp. nevadensis
                                                     [Fagelia nevadensis]
                                             Calceolaria nitida
                                                   [Calceolaria pseudoglandulosa]
                                             Calceolaria nivalis
                                               Calceolaria nivalis subsp. cerasifolia
                                                     [Calceolaria cerasifolia]
                                               Calceolaria nivalis subsp. nivalis
                                                     [Calceolaria padifolia]
                                             Calceolaria nudicaulis
                                                   [Calceolaria pratensis]
                                             Calceolaria oblonga
                                             Calceolaria olivacea
                                             Calceolaria pallida
                                             Calceolaria paposana
                                             Calceolaria paralia
                                             Calceolaria parviflora
                                             Calceolaria parvifolia
                                               Calceolaria parvifolia subsp. parvifolia
                                                     [Calceolaria elliptica]
                                                     [Calceolaria lechioides]
                                                     [Fagelia bangii]
                                             Calceolaria pavonii
                                                   [Calceolaria hirta]
                                                   [Calceolaria stenanthera]
                                             Calceolaria pedunculata
                                             Calceolaria penlandii
                                               Calceolaria penlandii subsp. puraceensis
                                                     [Calceolaria olssonii]
                                             Calceolaria perfoliata
                                                   [Calceolaria homoioclada]
                                                   [Calceolaria sagittata]
                                                   [Fagelia tolimensis]
                                             Calceolaria petioalaris
                                                   [Calceolaria connata]
                                                   [Calceolaria effusa]
                                             Calceolaria phaceliifolia
                                             Calceolaria picta
                                             Calceolaria pinifolia
                                             Calceolaria pinnata
                                               Calceolaria pinnata subsp. delicatula
                                                     [Calceolaria delicatula]
                                               Calceolaria pinnata subsp. pinnata
                                                     [Calceolaria bipinnatifida]
                                             Calceolaria pisacomensis
                                             Calceolaria platyzyga
                                             Calceolaria plectranthifolia
                                                   [Calceolaria fiebrigiana]
                                                   [Calceolaria foliosa]
                                                   [Calceolaria hieronymi]
                                             Calceolaria poikilanthes
                                             Calceolaria polifolia
                                             Calceolaria polyclada
                                                   [Calceolaria catamarcae]
                                                   [Calceolaria grisebachii]
                                             Calceolaria polyrhiza
                                                   [Calceolaria acutifolia]
                                                   [Calceolaria bergii]
                                                   [Calceolaria cymbiflora]
                                                   [Calceolaria lanceolata]
                                                   [Calceolaria mendocina]
                                                   [Calceolaria patagonica]
                                                   [Calceolaria pusilla]
                                                   [Fagelia prichardii]
                                             Calceolaria procera
                                             Calceolaria pumila
                                             Calceolaria puppoae
                                                   [Calceolaria hirsuta]
                                             Calceolaria reichlinii
                                             Calceolaria revoluta
                                             Calceolaria rhacodes
                                             Calceolaria rhododendroides
                                             Calceolaria rivularis
                                             Calceolaria rosmarinifolia
                                                   [Calceolaria graminifolia]
                                                   [Calceolaria hartwegii]
                                             Calceolaria rotundifolia
                                                   [Calceolaria glechomifolia]
                                             Calceolaria rugulosa
                                             Calceolaria salicifolia
                                               Calceolaria salicifolia subsp. salicifolia
                                                     [Calceolaria involuta]
                                             Calceolaria santolinoides
                                             Calceolaria scabra
                                             Calceolaria scapiflora
                                                   [Calceolaria scapiflora subsp. dentifolia]
                                                   [Jovellana scapiflora]
                                             Calceolaria schickendantziana
                                             Calceolaria semiconnata
                                                   [Calceolaria lucida]
                                             Calceolaria sericea
                                             Calceolaria serrata
                                                   [Calceolaria campii]
                                             Calceolaria sibthorpioides
                                             Calceolaria sonchensis
                                             Calceolaria soratensis
                                                   [Calceolaria cryptantha]
                                             Calceolaria sotarensis
                                             Calceolaria sparsiflora
                                                   [Calceolaria herrerae var. ramosissima]
                                                   [Calceolaria herrerae]
                                                   [Calceolaria macrocarpa]
                                             Calceolaria speciosa
                                             Calceolaria spruceana
                                                   [Calceolaria rosmarinifolia var. bonplandii]
                                             Calceolaria stellariifolia
                                             Calceolaria stricta
                                             Calceolaria tenuis
                                             Calceolaria tetragona
                                               Calceolaria tetragona subsp. endopogon
                                             Calceolaria teucrioides
                                             Calceolaria thyrsiflora
                                                   [Calceolaria thyrsiflora var. alliacea]
                                             Calceolaria tomentosa
                                             Calceolaria triloba
                                             Calceolaria trilobata
                                               Calceolaria trilobata subsp. aequilateralis
                                                     [Calceolaria aequilateralis]
                                               Calceolaria trilobata subsp. herzogiana
                                                     [Calceolaria herzogiana]
                                               Calceolaria trilobata subsp. trilobata
                                                     [Calceolaria halliana]
                                                     [Calceolaria hastata]
                                                     [Calceolaria hedera]
                                             Calceolaria tripartita
                                                   [Calceolaria chelidonioides var. parvifolia]
                                                   [Calceolaria gracilis]
                                                   [Calceolaria micrantha]
                                                   [Calceolaria puru-puru]
                                                   [Calceolaria ranunculoides]
                                                   [Calceolaria sarmentosa]
                                                   [Calceolaria scabiosifolia]
                                                   [Fagelia scalaris]
                                             Calceolaria tucumana
                                             Calceolaria undulata
                                                   [Calceolaria brevistyla]
                                             Calceolaria uniflora
                                                   [Calceolaria darwinii]
                                                   [Calceolaria minima]
                                                   [Calceolaria nana]
                                             Calceolaria utricularioides
                                             Calceolaria valdiviana
                                               Calceolaria valdiviana subsp. crassifolia
                                                     [Calceolaria crassifolia]
                                               Calceolaria valdiviana subsp. valdiviana
                                                     [Calceolaria llaimae]
                                                     [Calceolaria tenera]
                                                     [Calceolaria tenerifolia]
                                                     [Calceolaria werdermannii]
                                             Calceolaria variifolia
                                             Calceolaria velutina
                                             Calceolaria velutinoides
                                                   [Calceolaria colcamarensis]
                                             Calceolaria verbascifolia
                                                   [Calceolaria oreas]
                                             Calceolaria virgata
                                                   [Calceolaria triphylla]
                                                   [Calceolaria trivialis]
                                             Calceolaria viscosa
                                                   [Calceolaria arborescens]
                                                   [Calceolaria myrtilloides]
                                             Calceolaria viscosissima
                                                   [Calceolaria pubescens]
                                             Calceolaria volckmannii
                                                   [Calceolaria benthamii]
                                                   [Calceolaria bigemina]
                                                   [Calceolaria poeppigiana]
                                             Calceolaria vulpina
                                             Calceolaria weberbaueriana
                                                   [Calceolaria callunoides]
                                             Calceolaria williamsii
                                             Calceolaria ×albotomentosa
                                     Caleana
                                             Caleana major
                                             Caleana minor
                                     Calopogon
                                             Calopogon barbatus
                                                   [Limodorum parviflorum]
                                             Calopogon multiflorus
                                                   [Limodorum multiflorum]
                                                   [Limodorum pinetorum]
                                             Calopogon oklahomensis
                                             Calopogon pallidus
                                                   [Limodorum pallidum]
                                             Calopogon parviflorus
                                             Calopogon tuberosus
                                                   Calopogon tuberosus f. albiflora
                                               Calopogon tuberosus var. C.
                                               Calopogon tuberosus var. Calopogon
                                               Calopogon tuberosus var. latifolius
                                               Calopogon tuberosus var. simpsonii
                                                     [Limodorum simpsonii]
                                               Calopogon tuberosus var. tuberosus
                                                     [Calopogon pulchellus var. latifolius]
                                                     [Calopogon pulchellus var. simpsonii]
                                                     [Calopogon pulchellus]
                                                     [Limodorum tuberosum]
                                     Calypso
                                             Calypso borealis
                                             Calypso bulbosa
                                             Calypso bulbosa ssp. americana
                                               Calypso bulbosa var. americana
                                                     [Cytherea bulbosa]
                                               Calypso bulbosa var. occidentalis
                                                     [Calypso bulbosa ssp. occidentalis]
                                     Campylocentrum
                                             Campylocentrum jamaicense
                                                   [Campylocentrum barrettiae]
                                             Campylocentrum micranthum
                                             Campylocentrum neglectum
                                             Campylocentrum pachyrrhizum
                                                   [Aeranthes spathaceus]
                                     Capanemia
                                             Capanemia superflua
                                                   [Oncidium superfluum]
                                     Catasetum
                                     Cattleya
                                             Cattleya cinnabarina
                                                   [Laelia cinnabarina]
                                             Cattleya trianae
                                     Caularthron
                                             Caularthron bicornutum
                                     Centrogenium
                                     Cephalanthera
                                             Cephalanthera austinae
                                             Cephalanthera austiniae
                                                   [Eburophyton austiniae]
                                             Cephalanthera ensifolia
                                             Cephalanthera erecta
                                             Cephalanthera falcata
                                                   [Cephalanthera japonica]
                                             Cephalanthera grandiflora
                                             Cephalanthera kotschyana
                                             Cephalanthera longifolia
                                             Cephalanthera pallens
                                             Cephalanthera rubra
                                     Ceratandra
                                             Ceratandra atrata
                                                   [Ophrys atrata]
                                             Ceratandra bicolor
                                             Ceratandra chloroleuca
                                             Ceratandra grandiflora
                                     Ceratostylis
                                             Ceratostylis eria
                                                   [Ceratostylis eriaeoides]
                                             Ceratostylis gracilis
                                             Ceratostylis lancifolia
                                             Ceratostylis retisquama
                                             Ceratostylis subulata
                                     Chamorchis
                                             Chamorchis alpina
                                     Chloraea
                                     Chondrorhyncha
                                     Claderia
                                             Claderia viridiflora
                                     Cladorhiza
                                             Cladorhiza maculata
                                     Cleistes
                                             Cleistes bifaria
                                                   [Pogonia bifaria]
                                             Cleistes divaricata
                                                   [Pogonia divaricata]
                                               Cleistes divaricata var. bifaria
                                               Cleistes divaricata var. divaricata
                                     Cleistesiopsis
                                             Cleistesiopsis divaricata
                                                   [Arethusa divaricata]
                                     Coelia
                                             Coelia triptera
                                     Coeloglossum
                                     Coelogyne
                                           [Dendrochilum]
                                             Coelogyne carnosa
                                                   [Dendrochilum carnosum]
                                             Coelogyne cristata
                                             Coelogyne elmeri
                                             Coelogyne glumacea
                                                   [Dendrochilum glumaceum]
                                             Coelogyne graminea
                                                   [Dendrochilum gramineum]
                                             Coelogyne guamensis
                                             Coelogyne linearifolia
                                                   [Dendrochilum linearifolium]
                                             Coelogyne nitida
                                             Coelogyne pallidiflavens
                                               Coelogyne pallidiflavens var. pallidiflavens
                                                     [Dendrochilum album]
                                             Coelogyne papillosa
                                             Coelogyne radicosa
                                             Coelogyne tenella
                                                   [Dendrochilum tenellum]
                                             Coelogyne uncata
                                                   [Dendrochilum uncatum]
                                               Coelogyne uncata var. uncata
                                                     [Dendrochilum formosanum]
                                     Comparettia
                                             Comparettia falcata
                                     Corallorhiza
                                             Corallorhiza bentleyi
                                             Corallorhiza innata
                                             Corallorhiza macrantha
                                             Corallorhiza maculata
                                                   [Corallorrhiza maculata var. flavida]
                                                   [Corallorrhiza maculata var. immaculata]
                                                   [Corallorrhiza maculata var. intermedia]
                                                   [Corallorrhiza maculata var. maculata]
                                                   [Corallorrhiza maculata var. occidentalis]
                                                   [Corallorrhiza maculata var. punicea]
                                                   [Corallorrhiza maculata]
                                               Corallorhiza maculata var. flavida
                                               Corallorhiza maculata var. immaculata
                                               Corallorhiza maculata var. intermedia
                                               Corallorhiza maculata var. mexicana
                                                     [Corallorhiza mexicana]
                                               Corallorhiza maculata var. punicea
                                               Corallorhiza maculata var. maculata
                                                     [Corallorhiza multiflora]
                                                     [Corallorrhiza multiflora]
                                               Corallorhiza maculata var. occidentalis
                                                     [Corallorhiza maculata ssp. occidentalis]
                                                     [Corallorrhiza maculata ssp. occidentalis]
                                               Corallorhiza maculata var. ozettensis
                                             Corallorhiza mertensiana
                                                   [Corallorhiza maculata ssp. mertensiana]
                                                   [Corallorrhiza maculata ssp. mertensiana]
                                                   [Corallorrhiza mertensiana]
                                             Corallorhiza odontorhiza
                                                   [Corallorrhiza odontorhiza var. odontorhiza]
                                                   [Corallorrhiza odontorhiza var. pringlei]
                                                   [Corallorrhiza odontorhiza]
                                               Corallorhiza odontorhiza var. odontorhiza
                                                     [Corallorhiza micrantha]
                                                     [Corallorrhiza micrantha]
                                               Corallorhiza odontorhiza var. pringlei
                                             Corallorhiza pringlei
                                             Corallorhiza striata
                                                   [Corallorrhiza striata var. flavida]
                                                   [Corallorrhiza striata var. ochroleuca]
                                                   [Corallorrhiza striata var. striata]
                                                   [Corallorrhiza striata var. vreelandii]
                                                   [Corallorrhiza striata]
                                               Corallorhiza striata var. flavida
                                               Corallorhiza striata var. ochroleuca
                                               Corallorhiza striata var. striata
                                                     [Corallorhiza ochroleuca]
                                                     [Corallorrhiza ochroleuca]
                                               Corallorhiza striata var. vreelandii
                                                     [Corallorhiza bigelovii]
                                                     [Corallorhiza ehrenbergii]
                                                     [Corallorrhiza bigelovii]
                                             Corallorhiza trifida
                                                   [Corallorhiza corallorhiza]
                                                   [Corallorhiza innata var. virescens]
                                                   [Corallorhiza verna]
                                                   [Corallorrhiza corallorrhiza]
                                                   [Corallorrhiza trifida var. verna]
                                                   [Corallorrhiza trifida]
                                               Corallorhiza trifida var. verna
                                             Corallorhiza wisteriana
                                                   [Corallorrhiza wisteriana]
                                     Corallorrhiza
                                     Coryanthes
                                     Corybas
                                             Corybas fimbriatus
                                     Corycium
                                             Corycium orobanchoides
                                     Corymborkis
                                           [Corymborchis]
                                             Corymborkis veratrifolia
                                     Corysanthes
                                             Corysanthes bicalcarata
                                     Cranichis
                                             Cranichis ciliata
                                             Cranichis fendleri
                                             Cranichis mexicana
                                             Cranichis monophylla
                                             Cranichis muscosa
                                             Cranichis schaffneri
                                             Cranichis subumbellata
                                             Cranichis sylvatica
                                             Cranichis tenuis
                                             Cranichis thysanochila
                                             Cranichis ventricosa
                                     Crepidium
                                             Crepidium acuminatum
                                                   [Malaxis wallichii]
                                                   [Microstylis wallichii]
                                     Crybe
                                             Crybe rosea
                                     Cryptostylis
                                             Cryptostylis longifolia
                                     Cyclopogon
                                             Cyclopogon cranichoides
                                                   [Beadlea cranichoides]
                                                   [Spiranthes cranichoides]
                                             Cyclopogon elatus
                                                   [Beadlea elata]
                                                   [Spiranthes elata]
                                     Cylindrolobus
                                             Cylindrolobus dilutus
                                                   [Eria diluta]
                                     Cypripedium
                                             Cypripedium acaule
                                                   [Fissipes acaulis]
                                             Cypripedium andrewsii
                                               Cypripedium andrewsii var. andrewsii
                                               Cypripedium andrewsii var. favillianum
                                                     [Cypripedium favillianum]
                                               Cypripedium andrewsii var. landonii
                                                     [Cypripedium landonii]
                                             Cypripedium arietinum
                                             Cypripedium calceolus
                                               Cypripedium calceolus var. parviflorum
                                               Cypripedium calceolus var. planipetalum
                                               Cypripedium calceolus var. pubescens
                                             Cypripedium californicum
                                             Cypripedium candidum
                                             Cypripedium columbianum
                                             Cypripedium fasciculatum
                                             Cypripedium guttatum
                                             Cypripedium hirsutum
                                             Cypripedium irapeanum
                                             Cypripedium kentuckiense
                                             Cypripedium montanum
                                             Cypripedium parviflorum
                                               Cypripedium parviflorum var. makasin
                                               Cypripedium parviflorum var. parviflorum
                                                     [Cypripedium calceolus ssp. parviflorum]
                                               Cypripedium parviflorum var. pubescens
                                                     [Cypripedium furcatum]
                                                     [Cypripedium planipetalum]
                                                     [Cypripedium pubescens var. makasin]
                                                     [Cypripedium pubescens var. pubescens]
                                                     [Cypripedium pubescens]
                                             Cypripedium passerinum
                                               Cypripedium passerinum var. minganense
                                             Cypripedium reginae
                                             Cypripedium spectabile
                                             Cypripedium ×landonii
                                     Cyrtochilum
                                             Cyrtochilum cimiciferum
                                                   [Oncidium rusbyi]
                                             Cyrtochilum meirax
                                                   [Oncidium meirax]
                                             Cyrtochilum ramosissimum
                                                   [Odontoglossum ramosissimum]
                                             Cyrtochilum rigidum
                                                   [Odontoglossum rigidum]
                                             Cyrtochilum serratum
                                                   [Oncidium serratum]
                                     Cyrtopodium
                                             Cyrtopodium polyphyllum
                                                   [Cyrtopodium paranaense]
                                             Cyrtopodium punctatum
                                             Cyrtopodium woodfordii
                                     Cyrtostylis
                                             Cyrtostylis reniformis
                                     Cytherea
                                     Dactylorchis
                                             Dactylorchis fuchsii
                                     Dactylorhiza
                                             Dactylorhiza aristata
                                                   [Orchis aristata]
                                             Dactylorhiza iberica
                                                   [Orchis iberica]
                                             Dactylorhiza incarnata
                                               Dactylorhiza incarnata subsp. cruenta
                                               Dactylorhiza incarnata subsp. incarnata
                                                     [Orchis latifolia]
                                             Dactylorhiza maculata
                                               Dactylorhiza maculata subsp. fuchsii
                                                     [Orchis longibracteata]
                                             Dactylorhiza majalis
                                                   [Orchis majalis]
                                             Dactylorhiza romana
                                               Dactylorhiza romana subsp. romana
                                                     [Orchis pseudosambucina]
                                             Dactylorhiza sambucina
                                             Dactylorhiza viridis
                                                   [Coeloglossum bracteatum]
                                                   [Coeloglossum viride ssp. bracteatum]
                                                   [Coeloglossum viride var. islandicum]
                                                   [Coeloglossum viride var. virescens]
                                                   [Coeloglossum viride var. viride]
                                                   [Coeloglossum viride]
                                                   [Habenaria bracteata]
                                                   [Habenaria viridis var. bracteata]
                                                   [Habenaria viridis var. interjecta]
                                                   [Habenaria viridis]
                                               Dactylorhiza viridis var. virescens
                                                     [Orchis flava var. virescens]
                                             Dactylorhiza ×braunii
                                                   [Orchis ×braunii]
                                     Deiregyne
                                             Deiregyne confusa
                                                   [Deiregyne durangensis]
                                                   [Spiranthes confusa]
                                                   [Spiranthes durangensis]
                                     Dendrobium
                                             Dendrobium acerosum
                                             Dendrobium albayense
                                             Dendrobium amoenum
                                             Dendrobium anosmum
                                             Dendrobium bellatulum
                                             Dendrobium crumenatum
                                             Dendrobium cunninghamii
                                             Dendrobium cuspidatum
                                             Dendrobium devonianum
                                             Dendrobium equitans
                                             Dendrobium fimbriatum
                                             Dendrobium formosum
                                             Dendrobium guamense
                                             Dendrobium hainanense
                                             Dendrobium hasseltii
                                             Dendrobium indivisum
                                             Dendrobium leonis
                                             Dendrobium linguiforme
                                             Dendrobium longipes
                                             Dendrobium nakaharae
                                             Dendrobium pulchellum
                                             Dendrobium revolutum
                                             Dendrobium scopa
                                             Dendrobium secundum
                                             Dendrobium singaporense
                                             Dendrobium subflavidum
                                             Dendrobium ventricosum
                                             Dendrobium villosulum
                                     Dendrolirium
                                             Dendrolirium lasiopetalum
                                                   [Eria albidotomentosa]
                                     Dendrophylax
                                             Dendrophylax filiformis
                                                   [Aeranthes monteverdi]
                                             Dendrophylax lindenii
                                                   [Aeranthes lindenii]
                                                   [Polyradicion lindenii]
                                                   [Polyrrhiza lindenii]
                                             Dendrophylax varius
                                                   [Dendrophylax hymenanthus]
                                     Denslovia
                                             Denslovia clavellata
                                     Diaphananthe
                                             Diaphananthe bidens
                                                   [Listrostachys mystacidioides]
                                     Dichaea
                                             Dichaea glauca
                                             Dichaea graminoides
                                             Dichaea hystricina
                                             Dichaea morrisii
                                             Dichaea muricatoides
                                                   [Dichaea liebmannii]
                                             Dichaea pendula
                                             Dichaea picta
                                             Dichaea selaginella
                                             Dichaea squarrosa
                                             Dichaea trichocarpa
                                             Dichaea vaginata
                                     Dichromanthus
                                             Dichromanthus cinnabarinus
                                                   [Spiranthes cinnabarina]
                                     Didymoplexiella
                                             Didymoplexiella ornata
                                                   [Didymoplexis ornata]
                                     Didymoplexis
                                           [Leucorchis]
                                     Dienia
                                             Dienia cylindrostachya
                                                   [Malaxis cylindrostachya]
                                             Dienia ophrydis
                                                   [Microstylis congesta]
                                     Dilochia
                                             Dilochia cantleyi
                                     Dilomilis
                                             Dilomilis montana
                                     Dimerandra
                                             Dimerandra stenopetala
                                                   [Epidendrum stenopetalum]
                                     Dinema
                                             Dinema polybulbon
                                                   [Epidendrum polybulbon]
                                     Dipodium
                                             Dipodium squamatum
                                                   [Dipodium punctatum]
                                     Disa
                                           [Herschelianthe]
                                             Disa atricapilla
                                             Disa brevicornis
                                             Disa caulescens
                                             Disa conferta
                                             Disa cylindrica
                                             Disa ferruginea
                                             Disa filicornis
                                             Disa flexuosa
                                             Disa glandulosa
                                             Disa harveyana
                                             Disa hians
                                                   [Disa lacera]
                                             Disa inflexa
                                             Disa longicornis
                                             Disa macrantha
                                             Disa marlothii
                                             Disa melaleuca
                                             Disa patens
                                             Disa patula
                                             Disa pulchella
                                             Disa racemosa
                                                   [Disa secunda]
                                             Disa spathulata
                                                   [Herschelianthe spathulata]
                                             Disa tenella
                                             Disa tenuifolia
                                             Disa tenuis
                                             Disa tripetaloides
                                             Disa uncinata
                                             Disa uniflora
                                                   [Disa grandiflora]
                                             Disa versicolor
                                     Disperis
                                             Disperis capensis
                                             Disperis circumflexa
                                               Disperis circumflexa subsp. circumflexa
                                                     [Disperis secunda]
                                             Disperis cucullata
                                             Disperis fanniniae
                                             Disperis tysonii
                                             Disperis villosa
                                     Diuris
                                             Diuris alba
                                             Diuris aurea
                                             Diuris corymbosa
                                             Diuris emarginata
                                               Diuris emarginata var. pauciflora
                                                     [Diuris pauciflora]
                                             Diuris longifolia
                                             Diuris maculata
                                             Diuris pedunculata
                                             Diuris punctata
                                                   [Diuris elongata]
                                             Diuris setacea
                                             Diuris sulphurea
                                     Drymoanthus
                                             Drymoanthus adversus
                                     Earina
                                             Earina mucronata
                                     Eburophyton
                                     Elleanthus
                                             Elleanthus aurantiacus
                                             Elleanthus brasiliensis
                                             Elleanthus capitatus
                                             Elleanthus caricoides
                                             Elleanthus columnaris
                                             Elleanthus furfuraceus
                                             Elleanthus linifolius
                                             Elleanthus smithii
                                     Eltroplectris
                                             Eltroplectris calcarata
                                                   [Centrogenium setaceum]
                                                   [Eltroplectris acuminata]
                                                   [Pelexia setacea]
                                     Encyclia
                                             Encyclia adenocaula
                                             Encyclia alata
                                             Encyclia altissima
                                             Encyclia bahamensis
                                             Encyclia cordigera
                                             Encyclia fehlingii
                                             Encyclia fucata
                                             Encyclia gracilis
                                             Encyclia inaguensis
                                             Encyclia microbulbon
                                             Encyclia oncidioides
                                             Encyclia phoenicea
                                             Encyclia plicata
                                             Encyclia pyriformis
                                             Encyclia replicata
                                             Encyclia rufa
                                             Encyclia tampensis
                                                   [Epidendrum tampense]
                                     Epiblema
                                             Epiblema grandiflorum
                                     Epidendrum
                                             Epidendrum acunae
                                             Epidendrum amphistomum
                                             Epidendrum anceps
                                             Epidendrum bidentatum
                                             Epidendrum bipapulare
                                             Epidendrum blepharistes
                                             Epidendrum boricuarum
                                                   [Epidendrum latifolium]
                                             Epidendrum calanthum
                                             Epidendrum carpophorum
                                             Epidendrum chondrochilum
                                                   [Epidendrum bangii]
                                             Epidendrum ciliare
                                             Epidendrum cochleatum
                                               Epidendrum cochleatum var. triandrum
                                             Epidendrum compressum
                                             Epidendrum cristatum
                                             Epidendrum dichotomum
                                             Epidendrum difforme
                                             Epidendrum diffusum
                                             Epidendrum elegans
                                             Epidendrum ellipticum
                                             Epidendrum erubescens
                                             Epidendrum falcatum
                                             Epidendrum fimbriatum
                                             Epidendrum flexuosum
                                             Epidendrum floridense
                                             Epidendrum fucatum
                                             Epidendrum hagsateri
                                             Epidendrum hircinum
                                             Epidendrum ibaguense
                                             Epidendrum ledifolium
                                             Epidendrum leucomelanum
                                             Epidendrum lignosum
                                             Epidendrum longicolle
                                             Epidendrum macrocarpum
                                             Epidendrum macrochilum
                                             Epidendrum magnoliae
                                               Epidendrum magnoliae var. magnoliae
                                                     [Amphiglottis conopsea]
                                                     [Epidendrum conopseum var. mexicana]
                                                     [Epidendrum conopseum]
                                               Epidendrum magnoliae var. mexicanum
                                             Epidendrum nasutum
                                             Epidendrum nitens
                                             Epidendrum nocturnum
                                                   [Amphiglottis nocturna]
                                             Epidendrum oreonastes
                                             Epidendrum ottonis
                                             Epidendrum paniculatum
                                             Epidendrum parkinsonianum
                                             Epidendrum parvilobum
                                             Epidendrum patens
                                             Epidendrum peperomia
                                             Epidendrum pichinchae
                                             Epidendrum polyanthum
                                             Epidendrum polygonatum
                                             Epidendrum porpax
                                             Epidendrum purpurascens
                                             Epidendrum radiatum
                                             Epidendrum radicans
                                             Epidendrum ramosum
                                             Epidendrum rigidum
                                                   [Spathiger rigidus]
                                             Epidendrum rivulare
                                             Epidendrum scabrum
                                             Epidendrum schlimii
                                             Epidendrum secundum
                                             Epidendrum stamfordianum
                                             Epidendrum strobiliferum
                                                   [Spathiger strobilifera]
                                             Epidendrum tibicinis
                                             Epidendrum trachythece
                                             Epidendrum umbelliferum
                                                   [Epidendrum caribiorum]
                                             Epidendrum vandifolium
                                             Epidendrum varicosum
                                             Epidendrum venosum
                                             Epidendrum verrucosum
                                             Epidendrum yungasense
                                     Epipactis
                                             Epipactis americana
                                             Epipactis atrorubens
                                                   [Epipactis rubiginosa]
                                                   [Serapias atrorubens]
                                             Epipactis ensifolia
                                             Epipactis gigantea
                                             Epipactis grandiflora
                                             Epipactis helleborine
                                                   [Epipactis latifolia]
                                                   [Serapias helleborine]
                                             Epipactis leptochila
                                               Epipactis leptochila subsp. neglecta
                                             Epipactis microphylla
                                             Epipactis muelleri
                                             Epipactis nidus-avis
                                             Epipactis pallens
                                             Epipactis palustris
                                             Epipactis papillosa
                                             Epipactis pubescens
                                             Epipactis purpurata
                                             Epipactis repens
                                               Epipactis repens var. ophioides
                                             Epipactis royleana
                                             Epipactis rubra
                                             Epipactis tesselata
                                             Epipactis thunbergii
                                     Epipogium
                                             Epipogium aphyllum
                                             Epipogium gmelinii
                                     Eria
                                     Eriaxis
                                             Eriaxis rigida
                                     Eriochilus
                                             Eriochilus cucullatus
                                                   [Eriochilus autumnalis]
                                             Eriochilus dilatatus
                                             Eriochilus scaber
                                     Erycina
                                             Erycina crista-galli
                                                   [Oncidium crista-galli]
                                             Erycina echinata
                                     Erythrodes
                                             Erythrodes chinensis
                                               Erythrodes chinensis var. chinensis
                                                     [Erythrodes formosana]
                                             Erythrodes plantaginea
                                     Eulophia
                                           [Geodorum]
                                             Eulophia aculeata
                                             Eulophia alta
                                                   [Bletia alta]
                                                   [Platypus altus]
                                             Eulophia cernua
                                                   [Geodorum nutans]
                                             Eulophia dabia
                                                   [Eulophia campestris]
                                             Eulophia flava
                                             Eulophia hians
                                               Eulophia hians var. nutans
                                                     [Eulophia laxiflora]
                                             Eulophia leontoglossa
                                             Eulophia litoralis
                                             Eulophia odontoglossa
                                                   [Eulophia holstiana]
                                             Eulophia pulchra
                                                   [Eulophia macrostachya]
                                             Eulophia tristis
                                             Eulophia woodfordii
                                             Eulophia zollingeri
                                     Eulophidium
                                     Fernandezia
                                           [Pachyphyllum]
                                     Fissipes
                                     Galeandra
                                             Galeandra baueri
                                             Galeandra beyrichii
                                             Galeandra bicarinata
                                     Galearis
                                             Galearis rotundifolia
                                             Galearis spectabilis
                                                   [Galeorchis spectabilis]
                                                   [Orchis spectabilis]
                                     Galeorchis
                                     Gastrochilus
                                             Gastrochilus dasypogon
                                                   [Epidendrum umbellatum]
                                     Gastrodia
                                             Gastrodia elata
                                     Gennaria
                                             Gennaria diphylla
                                             Gennaria griffithii
                                                   [Habenaria decipiens]
                                     Glossodia
                                             Glossodia major
                                     Gomesa
                                             Gomesa brieniana
                                                   [Oncidium verrucosissimum]
                                             Gomesa varicosa
                                                   [Oncidium varicosum]
                                     Gomphichis
                                             Gomphichis plantaginifolia
                                             Gomphichis viscosa
                                                   [Gomphichis psilosepala]
                                     Gongora
                                             Gongora galeata
                                             Gongora truncata
                                               Gongora truncata var. alba
                                     Goodyera
                                             Goodyera menziesii
                                             Goodyera oblongifolia
                                                   [Goodyera decipiens]
                                                   [Peramium decipiens]
                                                   [Peramium menziesii]
                                               Goodyera oblongifolia var. reticulata
                                             Goodyera pubescens
                                                   [Neottia pubescens]
                                                   [Neottia repens]
                                                   [Peramium pubescens]
                                             Goodyera quercicola
                                             Goodyera repens
                                                   [Goodyera ophioides]
                                                   [Goodyera repens ssp. ophioides]
                                                   [Peramium ophioides]
                                               Goodyera repens var. ophioides
                                             Goodyera reticulata
                                             Goodyera rubicunda
                                             Goodyera striata
                                             Goodyera tesselata
                                                   [Peramium tesselatum]
                                             Goodyera yamiana
                                     Govenia
                                             Govenia floridana
                                             Govenia liliacea
                                                   [Govenia brevilabris]
                                                   [Govenia deliciosa]
                                             Govenia superba
                                                   [Govenia platyglossa]
                                             Govenia tingens
                                                   [Govenia boliviensis]
                                             Govenia utriculata
                                     Grammatophyllum
                                             Grammatophyllum multiflorum
                                     Graphorkis
                                           [Eulophiopsis]
                                             Graphorkis lurida
                                                   [Eulophiopsis lurida]
                                     Guarianthe
                                             Guarianthe aurantiaca
                                             Guarianthe skinneri
                                                   [Cattleya skinneri]
                                     Gymnadenia
                                             Gymnadenia albida
                                             Gymnadenia conopsea
                                                   [Habenaria conopsea]
                                             Gymnadenia nigra
                                                   [Nigritella nigra]
                                                   [Nigritella suaveolens]
                                             Gymnadenia odoratissima
                                             Gymnadenia orchidis
                                                   [Gymnadenia cylindrostachya]
                                             Gymnadenia tridentata
                                     Gymnadeniopsis
                                     Gyrostachys
                                             Gyrostachys gracilis
                                             Gyrostachys linearis
                                             Gyrostachys ochroleuca
                                             Gyrostachys plantaginea
                                     Habenaria
                                             Habenaria acuminata
                                             Habenaria alata
                                             Habenaria albida
                                             Habenaria angustifolia
                                             Habenaria bifolia
                                             Habenaria bractescens
                                             Habenaria brittonae
                                             Habenaria carnea
                                             Habenaria chlorantha
                                             Habenaria ciliaris
                                             Habenaria ciliosa
                                             Habenaria clypeata
                                             Habenaria commelinifolia
                                             Habenaria crassicornis
                                             Habenaria cucullata
                                             Habenaria diffusa
                                             Habenaria dilata
                                             Habenaria distans
                                             Habenaria dregeana
                                             Habenaria entomantha
                                             Habenaria eustachya
                                                   [Habenaria sanbornii]
                                             Habenaria filicornis
                                                   [Habenaria wilmsiana]
                                             Habenaria filifera
                                             Habenaria fissa
                                             Habenaria flexuosa
                                             Habenaria floribunda
                                                   [Habenaria garberi]
                                                   [Habenaria odontopetala]
                                                   [Habenaria strictissima var. odontopetala]
                                             Habenaria furcifera
                                             Habenaria galpinii
                                             Habenaria gracilis
                                             Habenaria guadalajarana
                                             Habenaria herbiola
                                             Habenaria hewittii
                                             Habenaria hyperborea
                                               Habenaria hyperborea var. huronensis
                                               Habenaria hyperborea var. viridiflora
                                             Habenaria intermedia
                                             Habenaria jaliscana
                                             Habenaria kingii
                                             Habenaria longicauda
                                             Habenaria macroceratitis
                                                   [Habenaria habenaria]
                                                   [Orchis longicornis]
                                             Habenaria maculosa
                                             Habenaria malacophylla
                                             Habenaria marginata
                                             Habenaria microsaccus
                                                   [Habenaria linderi]
                                             Habenaria monorrhiza
                                             Habenaria montevidensis
                                             Habenaria nigra
                                             Habenaria nivea
                                             Habenaria novemfida
                                             Habenaria obtusa
                                             Habenaria odoratissima
                                             Habenaria parviflora
                                                   [Habenaria caaguazuensis]
                                             Habenaria pauciflora
                                             Habenaria pratensis
                                             Habenaria pringlei
                                             Habenaria pumila
                                                   [Habenaria brachyceras]
                                                   [Habenaria paucifolia]
                                             Habenaria quinqueseta
                                                   [Habenaria michauxii]
                                                   [Orchis quinqueseta]
                                               Habenaria quinqueseta var. macroceratitis
                                             Habenaria reflexa
                                             Habenaria reniformis
                                                   [Listera reniformis]
                                             Habenaria repens
                                                   [Platanthera repens]
                                             Habenaria replicata
                                             Habenaria rhodocheila
                                             Habenaria roraimensis
                                             Habenaria rotundifolia
                                             Habenaria sagittifera
                                             Habenaria schaffneri
                                             Habenaria secunda
                                             Habenaria smithii
                                             Habenaria stenopetala
                                                   [Habenaria linearipetala]
                                             Habenaria straminea
                                             Habenaria strictissima
                                             Habenaria subauriculata
                                             Habenaria thurberi
                                             Habenaria tridactylites
                                             Habenaria tridentata
                                             Habenaria trifida
                                                   [Habenaria spathacea]
                                             Habenaria trilobulata
                                             Habenaria uhehensis
                                                   [Habenaria tenuifolia]
                                             Habenaria unalaschensis
                                             Habenaria virescens
                                                   [Habenaria flava var. virescens]
                                             Habenaria ×andrewsii
                                             Habenaria ×media
                                     Hammarbya
                                     Harrisella
                                             Harrisella porrecta
                                     Helleriella
                                     Hemipilia
                                             Hemipilia cordifolia
                                             Hemipilia gracilis
                                                   [Gymnadenia gracilis]
                                     Herminium
                                             Herminium alpinum
                                             Herminium edgeworthii
                                                   [Habenaria edgeworthii]
                                             Herminium elisabethae
                                                   [Habenaria elisabethae]
                                             Herminium lanceum
                                                   [Herminium angustifolium]
                                             Herminium latilabre
                                                   [Habenaria latilabris]
                                             Herminium monophyllum
                                                   [Herminium gramineum]
                                             Herminium monorchis
                                                   [Ophrys monorchis]
                                                   [Orchis monorchis]
                                     Hetaeria
                                             Hetaeria oblongifolia
                                     Hexalectris
                                             Hexalectris grandiflora
                                             Hexalectris nitida
                                             Hexalectris revoluta
                                             Hexalectris spicata
                                               Hexalectris spicata var. arizonica
                                               Hexalectris spicata var. spicata
                                             Hexalectris warnockii
                                     Himantoglossum
                                             Himantoglossum hircinum
                                             Himantoglossum robertianum
                                                   [Orchis foliosa]
                                     Hintonella
                                             Hintonella mexicana
                                     Holothrix
                                             Holothrix aspera
                                     Hormidium
                                     Huttonaea
                                             Huttonaea fimbriata
                                                   [Huttonaea hallackii]
                                             Huttonaea grandiflora
                                     Ibidium
                                             Ibidium incurvum
                                     Ida
                                             Ida ciliata
                                                   [Lycaste ciliata]
                                     Ionopsis
                                             Ionopsis utricularioides
                                     Isochilus
                                             Isochilus linearis
                                             Isochilus major
                                     Isotria
                                             Isotria medeoloides
                                                   [Arethusa medeoloides]
                                             Isotria verticillata
                                     Jacquiniella
                                             Jacquiniella cobanensis
                                     Koellensteinia
                                     Laelia
                                             Laelia anceps
                                             Laelia autumnalis
                                             Laelia flava
                                             Laelia furfuracea
                                             Laelia rubescens
                                     Lepanthes
                                             Lepanthes andrenoglossa
                                             Lepanthes concinna
                                             Lepanthes convexa
                                             Lepanthes cubensis
                                             Lepanthes dorsalis
                                             Lepanthes fulva
                                             Lepanthes gargantua
                                             Lepanthes grisebachiana
                                             Lepanthes interiorubra
                                             Lepanthes lanceolata
                                             Lepanthes multiflora
                                             Lepanthes obtusa
                                             Lepanthes papyrophylla
                                             Lepanthes quadrata
                                             Lepanthes rupestris
                                             Lepanthes sanguinea
                                             Lepanthes simplex
                                             Lepanthes trichodactyla
                                             Lepanthes tubuliflora
                                                   [Lepanthes brownii]
                                             Lepanthes unguicularis
                                             Lepanthes vespertilio
                                             Lepanthes woodiana
                                     Lepanthopsis
                                             Lepanthopsis floripecten
                                             Lepanthopsis melanantha
                                                   [Lepanthes harrisii]
                                     Leporella
                                             Leporella fimbriata
                                                   [Eriochilus fimbriatus]
                                     Leptoceras
                                             Leptoceras menziesii
                                     Limnorchis
                                     Limodorum
                                             Limodorum abortivum
                                     Liparis
                                             Liparis brachystalix
                                                   [Liparis fendleri]
                                             Liparis condylobulbon
                                                   [Liparis dolichopoda]
                                             Liparis elata
                                                   [Liparis eggersii]
                                             Liparis elegans
                                             Liparis henryi
                                             Liparis jonesii
                                             Liparis krameri
                                             Liparis latifolia
                                                   [Malaxis latifolia]
                                             Liparis liliifolia
                                                   [Malaxis liliifolia]
                                             Liparis loeselii
                                               Liparis loeselii subsp. loeselii
                                                     [Liparis correana]
                                             Liparis nervosa
                                             Liparis neuroglossa
                                             Liparis rostrata
                                             Liparis sootenzanensis
                                             Liparis vestita
                                             Liparis vexillifera
                                                   [Liparis galeottiana]
                                     Listera
                                             Listera auriculata
                                                   [Neottia auriculata]
                                                   [Ophrys auriculata]
                                             Listera australis
                                                   [Neottia australis]
                                                   [Ophrys australis]
                                             Listera borealis
                                                   [Neottia borealis]
                                             Listera caurina
                                                   [Neottia caurina]
                                                   [Ophrys caurina]
                                             Listera convallarioides
                                                   [Neottia convallarioides]
                                                   [Ophrys convallarioides]
                                             Listera cordata
                                                   [Neottia cordata]
                                               Listera cordata var. cordata
                                                     [Ophrys cordata]
                                               Listera cordata var. nephrophylla
                                                     [Listera cordata ssp. nephrophylla]
                                                     [Listera nephrophylla]
                                                     [Neottia nephrophylla]
                                             Listera ovata
                                             Listera smallii
                                                   [Neottia smallii]
                                                   [Ophrys smallii]
                                             Listera veltmanii
                                     Listrostachys
                                     Lockhartia
                                             Lockhartia acuta
                                             Lockhartia imbricata
                                                   [Lockhartia elegans]
                                                   [Lockhartia weigeltii]
                                             Lockhartia longifolia
                                             Lockhartia micrantha
                                             Lockhartia pallida
                                     Lophiaris
                                     Ludisia
                                           [Haemaria]
                                             Ludisia discolor
                                                   [Haemaria discolor]
                                     Luisia
                                             Luisia teretifolia
                                             Luisia tristis
                                     Lycaste
                                             Lycaste aromatica
                                             Lycaste deppei
                                     Lyperanthus
                                             Lyperanthus nigricans
                                             Lyperanthus suaveolens
                                     Lysias
                                     Lysiella
                                     Macradenia
                                             Macradenia lutescens
                                     Malaxis
                                             Malaxis abieticola
                                                   [Microstylis tenuis]
                                             Malaxis bayardi
                                             Malaxis bayardii
                                             Malaxis brachypoda
                                                   [Malaxis monophyllos ssp. brachypoda]
                                             Malaxis brachystachys
                                                   [Microstylis corymbosa]
                                             Malaxis corymbosa
                                             Malaxis ehrenbergii
                                             Malaxis fastigiata
                                             Malaxis monophylla
                                             Malaxis monophyllos
                                               Malaxis monophyllos var. brachypoda
                                                     [Microstylis brachypoda]
                                             Malaxis muscifera
                                             Malaxis myurus
                                             Malaxis paludosa
                                                   [Hammarbya paludosa]
                                             Malaxis porphyrea
                                                   [Microstylis porphyrea]
                                             Malaxis pringlei
                                                   [Microstylis pringlei]
                                             Malaxis soulei
                                             Malaxis spicata
                                                   [Malaxis floridana]
                                             Malaxis streptopetala
                                                   [Microstylis streptopetala]
                                             Malaxis tenuis
                                             Malaxis unifolia
                                                   [Microstylis unifolia]
                                                   [Orchis ophioglossoides]
                                             Malaxis wendtii
                                     Masdevallia
                                             Masdevallia bangii
                                             Masdevallia racemosa
                                             Masdevallia scandens
                                     Maxillaria
                                           [Camaridium]
                                             Maxillaria acuminata
                                             Maxillaria alba
                                             Maxillaria arbuscula
                                                   [Camaridium boliviense]
                                             Maxillaria chrysantha
                                                   [Maxillaria serotina]
                                             Maxillaria crassifolia
                                                   [Maxillaria sessilis]
                                             Maxillaria cucullata
                                             Maxillaria densa
                                             Maxillaria equitans
                                             Maxillaria lutescens
                                                   [Maxillaria camaridii]
                                             Maxillaria meridensis
                                             Maxillaria miniata
                                             Maxillaria notylioglossa
                                                   [Maxillaria nervosa]
                                             Maxillaria obscura
                                             Maxillaria parviflora
                                                   [Maxillaria conferta]
                                                   [Maxillaria purpurea]
                                                   [Ornithidium confertum]
                                             Maxillaria picta
                                             Maxillaria quitensis
                                             Maxillaria rufescens
                                             Maxillaria tocotana
                                                   [Maxillaria stenophylla]
                                             Maxillaria variabilis
                                             Maxillaria yzabalana
                                     Mesadenus
                                             Mesadenus lucayanus
                                                   [Ibidium lucayanum]
                                                   [Spiranthes lucayana]
                                     Micropera
                                             Micropera philippinensis
                                     Microstylis
                                             Microstylis monophyllos
                                             Microstylis ophioglossoides
                                     Microtis
                                             Microtis alba
                                             Microtis atrata
                                             Microtis media
                                             Microtis parviflora
                                                   [Microtis porrifolia var. parviflora]
                                             Microtis rara
                                             Microtis unifolia
                                                   [Microtis porrifolia]
                                     Miltonia
                                             Miltonia flavescens
                                                   [Miltonia stellata]
                                             Miltonia spectabilis
                                     Mycaranthes
                                     Myoxanthus
                                             Myoxanthus exasperatus
                                     Mystacidium
                                             Mystacidium gracile
                                     Neotinea
                                             Neotinea commutata
                                                   [Orchis commutata]
                                             Neotinea lactea
                                                   [Orchis lactea]
                                             Neotinea maculata
                                                   [Neotinea intacta]
                                             Neotinea tridentata
                                                   [Orchis tridentata]
                                             Neotinea ustulata
                                               Neotinea ustulata var. ustulata
                                                     [Orchis parviflora]
                                     Neottia
                                             Neottia bifolia
                                             Neottia listeroides
                                                   [Listera lindleyana]
                                             Neottia microglottis
                                                   [Listera microglottis]
                                             Neottia nidus-avis
                                             Neottia ovata
                                                   [Ophrys ovata]
                                     Nephelaphyllum
                                             Nephelaphyllum pulchrum
                                     Nervilia
                                             Nervilia concolor
                                                   [Nervilia aragoana]
                                     Nidema
                                             Nidema boothii
                                             Nidema ottonis
                                     Nigritella
                                             Nigritella angustifolia
                                     Notylia
                                     Oberonia
                                     Oberonioides
                                             Oberonioides purpureoviridis
                                                   [Liparis purpureoviridis]
                                     Octomeria
                                             Octomeria graminifolia
                                             Octomeria grandiflora
                                                   [Octomeria boliviensis]
                                             Octomeria tridentata
                                     Odontoglossum
                                             Odontoglossum cervantesii
                                             Odontoglossum maculatum
                                     Oeceoclades
                                             Oeceoclades maculata
                                                   [Eulophidium maculatum]
                                     Oeonia
                                     Oestlundia
                                             Oestlundia ligulata
                                     Oncidium
                                           [Mexicoa]
                                             Oncidium altissimum
                                             Oncidium ampliatum
                                             Oncidium baueri
                                             Oncidium brachyandrum
                                             Oncidium cebolleta
                                             Oncidium cheirophorum
                                             Oncidium constrictum
                                                   [Odontoglossum constrictum]
                                             Oncidium floridanum
                                             Oncidium ghiesbreghtianum
                                                   [Mexicoa ghiesbreghtiana]
                                             Oncidium guibertianum
                                             Oncidium hallii
                                                   [Odontoglossum hallii]
                                             Oncidium luridum
                                             Oncidium ornithorhynchum
                                             Oncidium parviflorum
                                             Oncidium pentadactylon
                                             Oncidium reflexum
                                             Oncidium sphacelatum
                                             Oncidium suave
                                             Oncidium tetrapetalum
                                             Oncidium tigrinum
                                     Onychium
                                             Onychium auratum
                                             Onychium japonicum
                                             Onychium lucidum
                                                   [Onychium contiguum]
                                             Onychium siliculosum
                                                   [Acrostichum viviparum]
                                                   [Lomaria aurea]
                                     Ophrys
                                             Ophrys alpina
                                             Ophrys anthropophora
                                             Ophrys apifera
                                             Ophrys arachnites
                                             Ophrys aranifera
                                               Ophrys aranifera var. fucifera
                                             Ophrys bertolonii
                                             Ophrys bombyliflora
                                               Ophrys bombyliflora var. bombyliflora
                                                     [Ophrys bombylifera]
                                                     [Ophrys tabanifera]
                                             Ophrys fusca
                                               Ophrys fusca subsp. pallida
                                                     [Ophrys pallida]
                                                     [Ophrys pectus]
                                             Ophrys holosericea
                                               Ophrys holosericea subsp. holosericea
                                                     [Ophrys fuciflora]
                                             Ophrys lutea
                                             Ophrys muscifera
                                             Ophrys myodes
                                             Ophrys scolopax
                                               Ophrys scolopax subsp. cornuta
                                                     [Ophrys cornuta]
                                             Ophrys speculum
                                     Orchis
                                             Orchis albida
                                             Orchis angustifolia
                                             Orchis anthropophora
                                             Orchis beyrichii
                                             Orchis bifolia
                                             Orchis brancifortii
                                             Orchis brevicornis
                                             Orchis conopsea
                                             Orchis coriophora
                                             Orchis cruenta
                                             Orchis fragrans
                                             Orchis fusca
                                             Orchis galeata
                                             Orchis globosa
                                             Orchis grandiflora
                                             Orchis hircina
                                             Orchis incarnata
                                             Orchis italica
                                                   [Orchis longicruris]
                                                   [Orchis undulatifolia]
                                             Orchis lapponica
                                             Orchis laxiflora
                                               Orchis laxiflora subsp. palustris
                                             Orchis maculata
                                             Orchis mascula
                                             Orchis militaris
                                               Orchis militaris subsp. militaris
                                                     [Orchis mimusops]
                                             Orchis moravica
                                             Orchis morio
                                             Orchis nigra
                                             Orchis pallens
                                             Orchis palustris
                                             Orchis papilionacea
                                             Orchis pauciflora
                                             Orchis provincialis
                                                   [Orchis cyrilli]
                                             Orchis purpurella
                                             Orchis pyramidalis
                                             Orchis recurva
                                             Orchis rivini
                                             Orchis sambucina
                                             Orchis sancta
                                             Orchis secundiflora
                                             Orchis spitzelii
                                             Orchis ustulata
                                             Orchis variegata
                                             Orchis viridis
                                     Orchiserapias
                                             ×Orchiserapias leroyi
                                     Oreorchis
                                     Ornithidium
                                             Ornithidium niveum
                                     Ornithocephalus
                                     Oxystophyllum
                                             Oxystophyllum sinuatum
                                     Paphiopedilum
                                             Paphiopedilum argus
                                             Paphiopedilum callosum
                                             Paphiopedilum hirsutissimum
                                             Paphiopedilum insigne
                                             Paphiopedilum lowii
                                             Paphiopedilum niveum
                                     Pecteilis
                                             Pecteilis susannae
                                                   [Habenaria susannae]
                                     Pelexia
                                             Pelexia adnata
                                                   [Spiranthes adnata]
                                             Pelexia cranichoides
                                             Pelexia laxa
                                     Peramium
                                     Peristylus
                                             Peristylus formosanus
                                                   [Habenaria formosana]
                                             Peristylus goodyeroides
                                                   [Habenaria goodyeroides]
                                             Peristylus lawii
                                                   [Habenaria lawii]
                                             Peristylus maingayi
                                                   [Habenaria sumatrana]
                                             Peristylus plantagineus
                                                   [Habenaria wightii]
                                     Perularia
                                     Phaius
                                             Phaius tancarvilleae
                                     Phalaenopsis
                                           [Doritis]
                                           [Ornithochilus]
                                             Phalaenopsis difformis
                                               Phalaenopsis difformis var. difformis
                                                     [Ornithochilus fuscus]
                                             Phalaenopsis pulcherrima
                                                   [Doritis pulcherrima]
                                     Phreatia
                                             Phreatia lindleyi
                                                   [Oberonia lindleyi]
                                     Physosiphon
                                             Physosiphon tubatus
                                     Physurus
                                             Physurus corniculatus
                                     Pinalia
                                             Pinalia ovata
                                                   [Eria ovata]
                                     Piperia
                                             Piperia candida
                                             Piperia colemanii
                                             Piperia cooperi
                                             Piperia elegans
                                               Piperia elegans var. elata
                                               Piperia elegans ssp. decurtata
                                               Piperia elegans ssp. elegans
                                                     [Habenaria elegans var. maritima]
                                                     [Habenaria elegans]
                                                     [Habenaria greenei]
                                                     [Habenaria maritima]
                                                     [Piperia maritima]
                                                     [Piperia multiflora]
                                                     [Platanthera unalascensis ssp. maritima]
                                             Piperia elongata
                                                   [Habenaria unalascensis ssp. elata]
                                                   [Piperia lancifolia]
                                                   [Piperia longispica]
                                                   [Platanthera unalascensis ssp. elata]
                                             Piperia leptopetala
                                             Piperia michaelii
                                                   [Habenaria michaelii]
                                                   [Piperia elongata ssp. michaelii]
                                             Piperia transversa
                                             Piperia unalascensis
                                                   [Habenaria unalascensis var. elata]
                                                   [Habenaria unalascensis var. maritima]
                                                   [Habenaria unalascensis]
                                                   [Platanthera cooperi]
                                                   [Platanthera unalascensis var. maritima]
                                                   [Platanthera unalascensis]
                                                   [Spiranthes unalascensis]
                                             Piperia yadonii
                                     Platanthera
                                             Platanthera albida
                                               Platanthera albida var. straminea
                                             Platanthera andrewsii
                                                   [Habenaria andrewsii]
                                             Platanthera aquilonis
                                             Platanthera bicolor
                                                   [Habenaria bicolor]
                                             Platanthera bifolia
                                             Platanthera blephariglottis
                                                   [Orchis blephariglottis]
                                               Platanthera blephariglottis var. blephariglottis
                                                     [Blephariglottis blephariglottis]
                                                     [Habenaria blephariglottis var. conspicua]
                                                     [Habenaria blephariglottis var. integrilabia]
                                                     [Habenaria blephariglottis]
                                               Platanthera blephariglottis var. conspicua
                                                     [Habenaria conspicua]
                                             Platanthera brevifolia
                                                   [Habenaria brevifolia]
                                             Platanthera bulbinella
                                             Platanthera canbyi
                                                   [Habenaria canbyi]
                                                   [Platanthera pallida]
                                             Platanthera channellii
                                             Platanthera chapmanii
                                                   [Habenaria chapmanii]
                                             Platanthera chorisiana
                                                   [Habenaria chorisiana]
                                             Platanthera ciliaris
                                                   [Blephariglottis ciliaris]
                                                   [Habenaria ciliaris]
                                                   [Orchis ciliaris]
                                             Platanthera clavellata
                                                   [Gymnadeniopsis clavellata]
                                                   [Habenaria clavellata var. ophioglossoides]
                                                   [Habenaria clavellata var. wrightii]
                                                   [Habenaria clavellata]
                                                   [Orchis clavellata]
                                             Platanthera correllii
                                             Platanthera cristata
                                                   [Habenaria cristata]
                                                   [Orchis cristata]
                                             Platanthera dilatata
                                                   [Orchis dilatata]
                                               Platanthera dilatata var. angustifolia
                                               Platanthera dilatata var. chlorantha
                                               Platanthera dilatata var. gracilis
                                               Platanthera dilatata var. albiflora
                                                     [Limnorchis dilatata ssp. albiflora]
                                               Platanthera dilatata var. dilatata
                                                     [Habenaria dilatata var. albiflora]
                                                     [Habenaria dilatata var. leucostachys]
                                                     [Habenaria dilatata var. media]
                                                     [Habenaria dilatata]
                                                     [Limnorchis dilatata]
                                                     [Limnorchis fragrans]
                                               Platanthera dilatata var. leucostachys
                                                     [Habenaria flagellans]
                                                     [Habenaria leucostachys]
                                                     [Limnorchis graminifolia]
                                                     [Limnorchis leucostachys]
                                                     [Platanthera leucostachys]
                                             Platanthera estesii
                                             Platanthera fimbriata
                                             Platanthera flava
                                                   [Orchis flava]
                                               Platanthera flava var. flava
                                                     [Habenaria flava var. herbiola]
                                                     [Habenaria flava]
                                                     [Habenaria scutellata]
                                                     [Perularia bidentata]
                                                     [Perularia flava]
                                                     [Perularia scutellata]
                                               Platanthera flava var. herbiola
                                             Platanthera fuscescens
                                                   [Orchis fuscescens]
                                             Platanthera gracilis
                                             Platanthera grandiflora
                                                   [Habenaria fimbriata]
                                                   [Habenaria grandiflora]
                                                   [Orchis fimbriata]
                                             Platanthera hookeri
                                                   [Habenaria hookeri var. abbreviata]
                                                   [Habenaria hookeri]
                                                   [Lysias hookeriana]
                                             Platanthera huronensis
                                                   [Habenaria huronensis]
                                                   [Limnorchis huronensis]
                                                   [Orchis huronensis]
                                             Platanthera hyperborea
                                                   [Habenaria borealis]
                                                   [Limnorchis borealis]
                                                   [Limnorchis hyperborea]
                                               Platanthera hyperborea var. gracilis
                                               Platanthera hyperborea var. huronensis
                                               Platanthera hyperborea var. hyperborea
                                               Platanthera hyperborea var. major
                                               Platanthera hyperborea var. purpurascens
                                               Platanthera hyperborea var. viridiflora
                                             Platanthera integra
                                                   [Gymnadenia flava]
                                                   [Gymnadeniopsis integra]
                                                   [Habenaria integra]
                                             Platanthera integrilabia
                                                   [Habenaria correlliana]
                                                   [Habenaria correllii]
                                             Platanthera keenanii
                                             Platanthera lacera
                                                   [Habenaria lacera var. terrae-novae]
                                                   [Habenaria lacera]
                                                   [Orchis lacera]
                                               Platanthera lacera var. terrae-novae
                                             Platanthera lassenii
                                             Platanthera leucophaea
                                                   [Habenaria leucophaea var. praeclara]
                                                   [Habenaria leucophaea]
                                                   [Orchis leucophaea]
                                             Platanthera limosa
                                                   [Habenaria limosa]
                                                   [Limnorchis thurberi]
                                             Platanthera macrophylla
                                                   [Habenaria macrophylla]
                                             Platanthera media
                                                   [Habenaria media]
                                                   [Limnorchis media]
                                             Platanthera nivea
                                                   [Gymnadenia nivea]
                                                   [Gymnadeniopsis nivea]
                                                   [Habenaria nivea]
                                                   [Orchis nivea]
                                             Platanthera obtusata
                                               Platanthera obtusata subsp. obtusata
                                               Platanthera obtusata ssp. obtusata
                                                     [Habenaria obtusata var. collectanea]
                                                     [Habenaria obtusata]
                                                     [Lysiella obtusata]
                                             Platanthera orbiculata
                                                   [Habenaria orbiculata var. lehorsii]
                                                   [Habenaria orbiculata var. macrophylla]
                                                   [Habenaria orbiculata var. menziesii]
                                                   [Habenaria orbiculata]
                                                   [Lysias orbiculata]
                                               Platanthera orbiculata var. macrophylla
                                             Platanthera peramoena
                                                   [Blephariglottis peramoena]
                                                   [Habenaria peramoena]
                                             Platanthera praeclara
                                             Platanthera psycodes
                                                   [Habenaria psycodes var. grandiflora]
                                                   [Habenaria psycodes]
                                                   [Orchis fissa]
                                                   [Orchis incisa]
                                                   [Orchis psycodes]
                                             Platanthera purpurascens
                                                   [Limnorchis purpurascens]
                                             Platanthera sparsiflora
                                                   [Limnorchis laxiflora]
                                               Platanthera sparsiflora var. brevifolia
                                               Platanthera sparsiflora var. ensifolia
                                                     [Limnorchis ensifolia]
                                               Platanthera sparsiflora var. sparsiflora
                                                     [Habenaria sparsiflora var. brevifolia]
                                                     [Habenaria sparsiflora var. laxiflora]
                                                     [Habenaria sparsiflora]
                                                     [Limnorchis sparsiflora]
                                             Platanthera stricta
                                                   [Habenaria saccata]
                                                   [Habenaria stricta]
                                                   [Limnorchis saccata]
                                                   [Limnorchis stricta]
                                                   [Limnorchis viridiflora]
                                                   [Platanthera convallariifolia var. dilatatoides]
                                                   [Platanthera convallariifolia]
                                                   [Platanthera saccata]
                                             Platanthera tipuloides
                                                   [Habenaria tipuloides]
                                             Platanthera vossii
                                             Platanthera zeyheri
                                             Platanthera zothecina
                                                   [Habenaria zothecina]
                                                   [Limnorchis zothecina]
                                     Platypus
                                     Platythelys
                                             Platythelys querceticola
                                                   [Erythrodes querceticola]
                                                   [Physurus querceticola]
                                             Platythelys sagraeanus
                                                   [Physurus sagraeanus]
                                     Pleurothallis
                                             Pleurothallis blepharophylla
                                             Pleurothallis chrysantha
                                             Pleurothallis corniculata
                                             Pleurothallis domingensis
                                             Pleurothallis gelida
                                             Pleurothallis murex
                                             Pleurothallis rhomboglossa
                                             Pleurothallis ruscifolia
                                             Pleurothallis sertularioides
                                             Pleurothallis tribuloides
                                     Pogonia
                                             Pogonia ophioglossoides
                                                   [Arethusa ophioglossoides]
                                               Pogonia ophioglossoides var. brachypogon
                                             Pogonia pendula
                                             Pogonia trianthophoros
                                             Pogonia verticillata
                                     Polyradicion
                                     Polyrrhiza
                                     Polystachya
                                             Polystachya concreta
                                                   [Polystachya extinctoria]
                                                   [Polystachya flavescens]
                                                   [Polystachya luteola]
                                                   [Polystachya minuta]
                                     Ponthieva
                                             Ponthieva brittoniae
                                             Ponthieva diptera
                                             Ponthieva maculata
                                             Ponthieva petiolata
                                             Ponthieva racemosa
                                                   [Arethusa racemosa]
                                                   [Cranichis multiflora]
                                               Ponthieva racemosa var. brittoniae
                                     Prasophyllum
                                             Prasophyllum patens
                                     Prescotia
                                             Prescotia oligantha
                                                   [Cranichis oligantha]
                                     Prescottia
                                             Prescottia oligantha
                                             Prescottia stachyodes
                                     Prosthechea
                                             Prosthechea boothiana
                                               Prosthechea boothiana var. erythronioides
                                                     [Epidendrum erythronioides]
                                             Prosthechea cochleata
                                               Prosthechea cochleata var. triandra
                                                     [Encyclia cochleata ssp. triandra]
                                             Prosthechea fuertesii
                                             Prosthechea pygmaea
                                                   [Encyclia pygmaea]
                                                   [Epidendrum pygmaeum]
                                                   [Hormidium pygmaeum]
                                                   [Hormidium tripterum]
                                     Pseudorchis
                                             Pseudorchis albida
                                                   [Leucorchis albida]
                                     Psilochilus
                                             Psilochilus macrophyllus
                                     Psychopsis
                                             Psychopsis papilio
                                                   [Oncidium papilio]
                                     Pteroglossaspis
                                             Pteroglossaspis ecristata
                                                   [Eulophia ecristata]
                                                   [Triorchos ecristata]
                                     Pterostylis
                                             Pterostylis curta
                                             Pterostylis mutica
                                             Pterostylis nana
                                     Pterygodium
                                             Pterygodium acutifolium
                                             Pterygodium alatum
                                     Rhynchostele
                                           [Lemboglossum]
                                             Rhynchostele cervantesii
                                                   [Lemboglossum cervantesii]
                                             Rhynchostele cordata
                                                   [Lemboglossum cordatum]
                                             Rhynchostele maculata
                                                   [Lemboglossum maculatum]
                                             Rhynchostele rossii
                                                   [Lemboglossum rossii]
                                     Robiquetia
                                             Robiquetia pachyphylla
                                     Sacoila
                                     Sarcoglottis
                                             Sarcoglottis schaffneri
                                     Satyrium
                                             Satyrium nigrum
                                             Satyrium parviflorum
                                     Scaphyglottis
                                           [Hexadesmia]
                                             Scaphyglottis boliviensis
                                                   [Hexadesmia boliviensis]
                                     Schiedeella
                                             Schiedeella arizonica
                                     Schizochilus
                                             Schizochilus bulbinella
                                                   [Brachycorythis bulbinella]
                                     Serapias
                                             Serapias cordigera
                                             Serapias lingua
                                             Serapias longipetala
                                             Serapias neglecta
                                             Serapias oxyglottis
                                     Sobralia
                                             Sobralia violacea
                                     Spathiger
                                     Spathoglottis
                                             Spathoglottis plicata
                                     Spiranthes
                                             Spiranthes aestivalis
                                             Spiranthes amesiana
                                             Spiranthes aurantiaca
                                             Spiranthes borealis
                                             Spiranthes brevifolia
                                             Spiranthes brevilabris
                                                   [Spiranthes gracilis var. brevilabris]
                                               Spiranthes brevilabris var. brevilabris
                                                     [Spiranthes gracilis var. brevilabris]
                                               Spiranthes brevilabris var. floridana
                                                     [Spiranthes gracilis var. brevilabris]
                                             Spiranthes casei
                                               Spiranthes casei var. novaescotiae
                                               Spiranthes casei var. casei
                                             Spiranthes cernua
                                                   [Gyrostachys cernua]
                                                   [Ibidium cernuum]
                                                   [Neottia cernua]
                                               Spiranthes cernua var. incurva
                                               Spiranthes cernua var. ochroleuca
                                               Spiranthes cernua var. odorata
                                             Spiranthes delitescens
                                             Spiranthes diluvialis
                                             Spiranthes eatonii
                                             Spiranthes floridana
                                                   [Ibidium floridanum]
                                                   [Spiranthes gracilis var. floridana]
                                             Spiranthes folsomii
                                             Spiranthes graminea
                                             Spiranthes infernalis
                                             Spiranthes intermedia
                                                   [Ibidium intermedium]
                                             Spiranthes itchetuckneensis
                                             Spiranthes lacera
                                               Spiranthes lacera var. gracilis
                                                     [Ibidium beckii]
                                                     [Ibidium gracile]
                                                     [Neottia gracilis]
                                                     [Spiranthes beckii]
                                                     [Spiranthes gracilis]
                                               Spiranthes lacera var. lacera
                                             Spiranthes laciniata
                                                   [Ibidium laciniatum]
                                             Spiranthes latifolia
                                             Spiranthes longilabris
                                                   [Ibidium longilabre]
                                             Spiranthes lucida
                                                   [Ibidium plantagineum]
                                                   [Neottia lucida]
                                             Spiranthes magnicamporum
                                             Spiranthes meridionalis
                                             Spiranthes neglecta
                                             Spiranthes ochroleuca
                                                   [Spiranthes steigeri]
                                             Spiranthes odorata
                                                   [Neottia odorata]
                                             Spiranthes ovalis
                                               Spiranthes ovalis var. erostellata
                                               Spiranthes ovalis var. ovalis
                                                     [Ibidium ovale]
                                             Spiranthes parksii
                                             Spiranthes pauciflora
                                             Spiranthes polyantha
                                             Spiranthes porrifolia
                                             Spiranthes praecox
                                                   [Ibidium praecox]
                                             Spiranthes pringlei
                                             Spiranthes romanzoffiana
                                                   [Ibidium strictum]
                                                   [Spiranthes stricta]
                                               Spiranthes romanzoffiana var. diluvialis
                                               Spiranthes romanzoffiana var. porrifolia
                                             Spiranthes sarcoglossa
                                             Spiranthes simplex
                                             Spiranthes simpsonii
                                             Spiranthes spiralis
                                                   [Neottia spiralis]
                                                   [Ophrys spiralis]
                                             Spiranthes torta
                                                   [Ibidium tortile]
                                                   [Neottia tortilis]
                                                   [Spiranthes tortilis]
                                             Spiranthes tuberosa
                                                   [Spiranthes grayi]
                                               Spiranthes tuberosa var. grayi
                                             Spiranthes vernalis
                                                   [Ibidium vernale]
                                                   [Spiranthes sinensis]
                                             Spiranthes ×intermedia
                                             Spiranthes ×steigeri
                                     Stenorrhynchos
                                             Stenorrhynchos lanceolatum
                                               Stenorrhynchos lanceolatum var. lanceolatum
                                                     [Sacoila lanceolata var. luteoalba]
                                                     [Sacoila lanceolata var. paludicola]
                                                     [Sacoila lanceolata]
                                                     [Spiranthes lanceolata var. luteoalba]
                                                     [Spiranthes lanceolata var. paludicola]
                                                     [Spiranthes lanceolata]
                                                     [Spiranthes orchioides]
                                                     [Stenorrhynchos orchioides]
                                               Stenorrhynchos lanceolatum var. paludicola
                                             Stenorrhynchos michuacanum
                                                   [Spiranthes michuacana]
                                                   [Stenorrhynchos michuacanus]
                                             Stenorrhynchos squamulosum
                                     Stichorkis
                                             Stichorkis gibbosa
                                                   [Liparis gibbosa]
                                     Strongyleria
                                             Strongyleria pannea
                                                   [Mycaranthes pannea]
                                     Tetramicra
                                             Tetramicra eulophiae
                                     Thelymitra
                                             Thelymitra antennifera
                                             Thelymitra pauciflora
                                     Tipularia
                                             Tipularia discolor
                                                   [Tipularia unifolia]
                                     Tolumnia
                                             Tolumnia bahamensis
                                                   [Oncidium bahamense]
                                             Tolumnia lemoniana
                                                   [Oncidium lemonianum]
                                             Tolumnia lucayana
                                             Tolumnia pulchella
                                             Tolumnia sylvestris
                                                   [Oncidium sylvestre]
                                             Tolumnia triquetra
                                                   [Oncidium triquetrum]
                                             Tolumnia urophylla
                                             Tolumnia variegata
                                                   [Oncidium variegatum]
                                     Trichocentrum
                                             Trichocentrum carthagenense
                                                   [Oncidium sanguineum]
                                             Trichocentrum cavendishianum
                                                   [Oncidium cavendishianum]
                                             Trichocentrum lindenii
                                                   [Oncidium lindenii]
                                             Trichocentrum maculatum
                                                   [Lophiaris maculata]
                                                   [Oncidium maculatum]
                                                   [Oncidium undulatum]
                                             Trichocentrum pumilum
                                                   [Oncidium pumilum]
                                     Trichopilia
                                             Trichopilia hymenantha
                                     Triorchos
                                     Triphora
                                             Triphora amazonica
                                                   [Triphora latifolia]
                                             Triphora craigheadii
                                             Triphora gentianoides
                                                   [Triphora cubensis]
                                             Triphora rickettii
                                             Triphora trianthophora
                                               Triphora trianthophora var. schaffneri
                                             Triphora trianthophoros
                                               Triphora trianthophoros subsp. trianthophoros
                                                     [Arethusa pendula]
                                     Tropidia
                                           [Chloidia]
                                             Tropidia polystachya
                                                   [Chloidia vernalis]
                                     Vanilla
                                             Vanilla barbellata
                                                   [Vanilla articulata]
                                             Vanilla claviculata
                                             Vanilla dilloniana
                                             Vanilla inodora
                                             Vanilla mexicana
                                                   [Vanilla vanilla]
                                             Vanilla phaeantha
                                             Vanilla planifolia
                                                   [Vanilla fragrans]
                                             Vanilla pompona
                                     Zeuxine
                                             Zeuxine strateumatica

Problematic Rooting (844634)
                                                   Calopogon pulchellus f. latifolius

Problematic Rooting (847937)
                                               Habenaria viridis ssp. bracteata

Problematic Rooting (850379)
                                               Limodorum tuberosum var. nanum

Problematic Rooting (852988)
                                                   Habenaria fimbriata f. albiflora
                                                   Habenaria fimbriata f. mentotonsa

Problematic Rooting (853007)
                                                   Habenaria psycodes f. albiflora

Problematic Rooting (861003)
                                               Limnorchis dilatata var. linearifolia
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