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  Plantae
      Charophyta
        Streptophytina
            Equisetopsida
              Magnoliidae
                    Saxifragales
                            Saxifragaceae
                                     Astilbe
                                             Astilbe biternata
                                             Astilbe crenatiloba
                                             Astilbe decandra
                                             Astilbe japonica
                                             Astilbe koreana
                                             Astilbe rubra
                                             Astilbe thunbergii
                                     Bensonia
                                     Bensoniella
                                             Bensoniella oregana
                                                   [Bensonia oregona]
                                     Bergenia
                                             Bergenia crassifolia
                                     Bolandra
                                             Bolandra californica
                                             Bolandra oregana
                                               Bolandra oregana var. imnahaensis
                                     Boykinia
                                             Boykinia aconitifolia
                                                   [Boykinia turbinata]
                                                   [Therofon aconitifolium]
                                                   [Therofon turbinatum]
                                             Boykinia cincinnata
                                             Boykinia intermedia
                                             Boykinia major
                                               Boykinia major var. intermedia
                                               Boykinia major var. major
                                             Boykinia occidentalis
                                                   [Boykinia elata]
                                                   [Boykinia occidentalis var. elata]
                                                   [Boykinia vancouverensis]
                                             Boykinia rotundifolia
                                             Boykinia tellimoides
                                     Cascadia
                                             Cascadia nuttallii
                                                   [Boykinia trispora]
                                     Chrysosplenium
                                             Chrysosplenium alternifolium
                                               Chrysosplenium alternifolium var. iowense
                                               Chrysosplenium alternifolium var. tetrandrum
                                               Chrysosplenium alternifolium var. sibiricum
                                                     [Chrysosplenium alternifolium ssp. iowense]
                                                     [Chrysosplenium iowense]
                                             Chrysosplenium americanum
                                             Chrysosplenium glechomifolium
                                             Chrysosplenium nepalense
                                             Chrysosplenium nudicaule
                                             Chrysosplenium oppositifolium
                                             Chrysosplenium tetrandrum
                                                   [Chrysosplenium alternifolium ssp. tetrandrum]
                                     Conimitella
                                             Conimitella williamsii
                                     Darmera
                                             Darmera peltata
                                                   [Peltiphyllum peltatum]
                                                   [Saxifraga peltata]
                                     Elmera
                                             Elmera racemosa
                                               Elmera racemosa var. puberulenta
                                               Elmera racemosa var. racemosa
                                                     [Heuchera racemosa]
                                     Hemieva
                                     Heuchera
                                             Heuchera abramsii
                                             Heuchera acutifolia
                                             Heuchera alba
                                             Heuchera alpestris
                                             Heuchera americana
                                               Heuchera americana var. brevipetala
                                               Heuchera americana var. calycosa
                                               Heuchera americana var. caroliniana
                                               Heuchera americana var. heteradenia
                                               Heuchera americana var. interior
                                               Heuchera americana var. subtruncata
                                               Heuchera americana var. americana
                                                     [Heuchera calycosa]
                                                     [Heuchera curtisii var. crenata]
                                                     [Heuchera curtisii]
                                                     [Heuchera lancipetala]
                                               Heuchera americana var. hirsuticaulis
                                                     [Heuchera hirsuticaulis]
                                               Heuchera americana var. hispida
                                                     [Heuchera hispida]
                                             Heuchera bracteata
                                             Heuchera brevistaminea
                                             Heuchera caespitosa
                                                   [Heuchera cespitosa]
                                             Heuchera caroliniana
                                             Heuchera chlorantha
                                             Heuchera columbiana
                                             Heuchera cuneata
                                             Heuchera cylindrica
                                               Heuchera cylindrica var. ovalifolia
                                               Heuchera cylindrica var. suksdorfii
                                               Heuchera cylindrica var. alpina
                                                     [Heuchera ovalifolia var. orbicularis]
                                                     [Heuchera ovalifolia var. thompsonii]
                                                     [Heuchera ovalifolia]
                                               Heuchera cylindrica var. cylindrica
                                                     [Heuchera saxicola]
                                                     [Heuchera suksdorfii]
                                               Heuchera cylindrica var. glabella
                                                     [Heuchera glabella]
                                               Heuchera cylindrica var. orbicularis
                                               Heuchera cylindrica var. septentrionalis
                                             Heuchera duranii
                                             Heuchera eastwoodiae
                                             Heuchera elegans
                                             Heuchera flabellifolia
                                               Heuchera flabellifolia var. flabellifolia
                                               Heuchera flabellifolia var. subsecta
                                             Heuchera glabra
                                             Heuchera glomerulata
                                             Heuchera grossulariifolia
                                               Heuchera grossulariifolia var. grossulariifolia
                                                     [Heuchera cusickii]
                                               Heuchera grossulariifolia var. tenuifolia
                                                     [Heuchera tenuifolia]
                                             Heuchera hallii
                                             Heuchera hirsutissima
                                             Heuchera lithophila
                                             Heuchera longiflora
                                                   [Heuchera aceroides]
                                                   [Heuchera scabra]
                                               Heuchera longiflora var. aceroides
                                             Heuchera maxima
                                             Heuchera merriamii
                                                   [Heuchera pringlei]
                                             Heuchera mexicana
                                             Heuchera micrantha
                                                   [Heuchera nuttallii]
                                               Heuchera micrantha var. pacifica
                                               Heuchera micrantha var. diversifolia
                                                     [Heuchera diversifolia]
                                               Heuchera micrantha var. erubescens
                                               Heuchera micrantha var. hartwegii
                                               Heuchera micrantha var. macropetala
                                               Heuchera micrantha var. micrantha
                                             Heuchera novomexicana
                                             Heuchera parishii
                                             Heuchera parviflora
                                               Heuchera parviflora var. rugelii
                                               Heuchera parviflora var. parviflora
                                               Heuchera parviflora var. puberula
                                                     [Heuchera puberula]
                                             Heuchera parvifolia
                                               Heuchera parvifolia var. dissecta
                                               Heuchera parvifolia var. arizonica
                                               Heuchera parvifolia var. flavescens
                                               Heuchera parvifolia var. major
                                               Heuchera parvifolia var. microcarpa
                                               Heuchera parvifolia var. nivalis
                                                     [Heuchera nivalis]
                                               Heuchera parvifolia var. parvifolia
                                                     [Heuchera missouriensis]
                                               Heuchera parvifolia var. utahensis
                                             Heuchera pilosissima
                                               Heuchera pilosissima var. hemisphaerica
                                               Heuchera pilosissima var. pilosissima
                                             Heuchera pubescens
                                                   [Heuchera reniformis]
                                               Heuchera pubescens var. brachyandra
                                             Heuchera pulchella
                                             Heuchera richardsonii
                                               Heuchera richardsonii var. affinis
                                               Heuchera richardsonii var. grayana
                                               Heuchera richardsonii var. hispidior
                                             Heuchera roseola
                                             Heuchera rubescens
                                                   [Heuchera rubescens var. oregonensis]
                                               Heuchera rubescens var. pachypoda
                                               Heuchera rubescens var. alpicola
                                               Heuchera rubescens var. glandulosa
                                               Heuchera rubescens var. rubescens
                                               Heuchera rubescens var. rydbergiana
                                               Heuchera rubescens var. truncata
                                               Heuchera rubescens var. versicolor
                                                     [Heuchera leptomeria var. peninsularis]
                                                     [Heuchera leptomeria]
                                                     [Heuchera versicolor var. leptomeria]
                                                     [Heuchera versicolor]
                                             Heuchera rugelii
                                             Heuchera sanguinea
                                               Heuchera sanguinea var. pulchra
                                               Heuchera sanguinea var. sanguinea
                                             Heuchera villosa
                                                   [Heuchera caulescens]
                                               Heuchera villosa var. intermedia
                                               Heuchera villosa var. macrorhiza
                                               Heuchera villosa var. arkansana
                                                     [Heuchera arkansana]
                                               Heuchera villosa var. villosa
                                                     [Heuchera crinita]
                                                     [Heuchera macrorhiza]
                                             Heuchera wootonii
                                     Jepsonia
                                             Jepsonia heterandra
                                             Jepsonia malvifolia
                                             Jepsonia parryi
                                     Leptarrhena
                                             Leptarrhena pyrolifolia
                                                   [Lepuropetalon amplexifolium]
                                                   [Saxifraga amplexifolia]
                                                   [Saxifraga calycina ssp. unalaschcensis]
                                                   [Saxifraga pyrolifolia]
                                                   [Saxifraga unalaschcensis]
                                     Lithophragma
                                             Lithophragma affine
                                               Lithophragma affine ssp. affine
                                               Lithophragma affine ssp. mixtum
                                                     [Lithophragma tripartitum]
                                             Lithophragma bolanderi
                                                   [Lithophragma scabrellum var. peirsonii]
                                                   [Lithophragma scabrellum]
                                             Lithophragma campanulatum
                                             Lithophragma cymbalaria
                                             Lithophragma glabrum
                                                   [Lithophragma bulbiferum]
                                               Lithophragma glabrum var. bulbiferum
                                               Lithophragma glabrum var. ramulosum
                                             Lithophragma heterophyllum
                                               Lithophragma heterophyllum var. campanulatum
                                             Lithophragma maximum
                                             Lithophragma parviflorum
                                               Lithophragma parviflorum var. parviflorum
                                               Lithophragma parviflorum var. trifoliatum
                                                     [Lithophragma trifoliatum]
                                             Lithophragma tenellum
                                                   [Lithophragma australe]
                                                   [Lithophragma brevilobum]
                                                   [Lithophragma rupicola]
                                               Lithophragma tenellum var. thompsonii
                                     Micranthes
                                           [Hydatica]
                                             Micranthes bryophora
                                             Micranthes californica
                                             Micranthes davurica
                                             Micranthes fragosa
                                             Micranthes gaspensis
                                             Micranthes idahoensis
                                             Micranthes integrifolia
                                             Micranthes nidifica
                                             Micranthes nivalis
                                             Micranthes petiolaris
                                                   [Hydatica petiolaris]
                                             Micranthes rufidula
                                             Micranthes spicata
                                             Micranthes stellaris
                                             Micranthes subapetala
                                             Micranthes tenuis
                                     Mitella
                                             Mitella breweri
                                                   [Pectiantia breweri]
                                             Mitella caulescens
                                                   [Mitellastra caulescens]
                                             Mitella diphylla
                                                   [Mitella oppositifolia]
                                             Mitella diversifolia
                                                   [Ozomelis diversifolia]
                                             Mitella intermedia
                                             Mitella nuda
                                             Mitella ovalis
                                                   [Pectiantia ovalis]
                                             Mitella pentandra
                                                   [Pectiantia pentandra]
                                             Mitella prostrata
                                             Mitella stauropetala
                                               Mitella stauropetala var. stauropetala
                                                     [Ozomelis stauropetala]
                                               Mitella stauropetala var. stenopetala
                                                     [Mitella stenopetala]
                                             Mitella trifida
                                               Mitella trifida var. trifida
                                                     [Ozomelis anomala]
                                                     [Ozomelis micrantha]
                                                     [Ozomelis trifida]
                                               Mitella trifida var. violacea
                                                     [Mitella violacea]
                                     Mitellastra
                                     Mukdenia
                                             Mukdenia rossii
                                     Ozomelis
                                     Pectiantia
                                     Peltiphyllum
                                     Rodgersia
                                             Rodgersia tabularis
                                     Saxifraga
                                             Saxifraga adscendens
                                               Saxifraga adscendens var. oregonensis
                                               Saxifraga adscendens ssp. oregonensis
                                             Saxifraga aestivalis
                                             Saxifraga aizoides
                                             Saxifraga aizoon
                                               Saxifraga aizoon var. neogaea
                                             Saxifraga apetala
                                                   [Saxifraga columbiana var. apetala]
                                             Saxifraga aprica
                                                   [Saxifraga laevicaulis]
                                                   [Saxifraga umbellulata]
                                             Saxifraga arguta
                                             Saxifraga bongardi
                                             Saxifraga bronchialis
                                               Saxifraga bronchialis var. austromontana
                                               Saxifraga bronchialis var. vespertina
                                               Saxifraga bronchialis ssp. austromontana
                                                     [Saxifraga austromontana]
                                               Saxifraga bronchialis ssp. vespertina
                                                     [Saxifraga vespertina]
                                             Saxifraga bryophora
                                               Saxifraga bryophora var. bryophora
                                               Saxifraga bryophora var. tobiasiae
                                             Saxifraga caespitosa
                                                   [Saxifraga cespitosa var. lemmonii]
                                                   [Saxifraga cespitosa var. minima]
                                                   [Saxifraga cespitosa var. subgemmifera]
                                                   [Saxifraga cespitosa]
                                               Saxifraga caespitosa var. emarginata
                                               Saxifraga caespitosa var. lemmonii
                                               Saxifraga caespitosa var. minima
                                               Saxifraga caespitosa var. subgemmifera
                                               Saxifraga caespitosa ssp. caespitosa
                                                     [Saxifraga caespitosa ssp. eucaespitosa]
                                                     [Saxifraga cespitosa ssp. cespitosa]
                                                     [Saxifraga cespitosa ssp. eucaespitosa]
                                               Saxifraga caespitosa ssp. delicatula
                                                     [Saxifraga cespitosa ssp. delicatula]
                                               Saxifraga caespitosa ssp. monticola
                                                     [Saxifraga cespitosa ssp. monticola]
                                                     [Saxifraga micropetala]
                                                     [Saxifraga monticola]
                                               Saxifraga caespitosa ssp. subgemmifera
                                                     [Saxifraga cespitosa ssp. subgemmifera]
                                             Saxifraga californica
                                                   [Saxifraga fallax]
                                                   [Saxifraga gracillima]
                                                   [Saxifraga hallii]
                                                   [Saxifraga napensis]
                                                   [Saxifraga parvifolia]
                                             Saxifraga careyana
                                                   [Micranthes careyana]
                                                   [Micranthes tennesseensis]
                                             Saxifraga caroliniana
                                                   [Micranthes caroliniana]
                                             Saxifraga cernua
                                               Saxifraga cernua var. exilioides
                                             Saxifraga cherlerioides
                                             Saxifraga chrysantha
                                                   [Saxifraga serpyllifolia ssp. chrysantha]
                                             Saxifraga cortusifolia
                                             Saxifraga cotyledon
                                                   [Saxifraga macnabiana]
                                             Saxifraga cymbalaria
                                             Saxifraga elegans
                                             Saxifraga eriophora
                                             Saxifraga ferruginea
                                               Saxifraga ferruginea var. foliacea
                                               Saxifraga ferruginea var. macounii
                                               Saxifraga ferruginea var. ferruginea
                                               Saxifraga ferruginea var. vreelandii
                                                     [Saxifraga vreelandii]
                                             Saxifraga flagellaris
                                               Saxifraga flagellaris var. crandallii
                                               Saxifraga flagellaris ssp. crandallii
                                                     [Saxifraga crandallii]
                                             Saxifraga foliolosa
                                                   [Micranthes foliolosa]
                                             Saxifraga gormanii
                                             Saxifraga heterantha
                                             Saxifraga hieracifolia
                                             Saxifraga hieraciifolia
                                               Saxifraga hieraciifolia var. rydbergii
                                               Saxifraga hieraciifolia var. hieraciifolia
                                             Saxifraga hirculus
                                               Saxifraga hirculus ssp. hirculus
                                                     [Saxifraga hirculus ssp. coloradensis]
                                             Saxifraga hitchcockiana
                                             Saxifraga hostii
                                             Saxifraga howellii
                                             Saxifraga hyperborea
                                             Saxifraga idahoensis
                                                   [Saxifraga marshallii ssp. idahoensis]
                                             Saxifraga integrifolia
                                                   [Micranthes bidens]
                                                   [Saxifraga bracteosa var. angustifolia]
                                                   [Saxifraga bracteosa var. micropetala]
                                                   [Saxifraga bracteosa]
                                                   [Saxifraga laevicarpa]
                                               Saxifraga integrifolia var. apetala
                                               Saxifraga integrifolia var. claytoniifolia
                                               Saxifraga integrifolia var. columbiana
                                               Saxifraga integrifolia var. leptopetala
                                               Saxifraga integrifolia var. micropetala
                                               Saxifraga integrifolia var. rhomboidea
                                             Saxifraga lyallii
                                               Saxifraga lyallii var. hultenii
                                               Saxifraga lyallii var. laxa
                                               Saxifraga lyallii ssp. hultenii
                                               Saxifraga lyallii ssp. lyallii
                                                     [Micranthes lyallii]
                                             Saxifraga marshallii
                                               Saxifraga marshallii var. idahoensis
                                             Saxifraga mertensiana
                                               Saxifraga mertensiana var. eastwoodiae
                                             Saxifraga michauxii
                                             Saxifraga micranthidifolia
                                                   [Micranthes micranthidifolia]
                                             Saxifraga moschata
                                             Saxifraga nelsoniana
                                               Saxifraga nelsoniana ssp. cascadensis
                                                     [Saxifraga punctata ssp. cascadensis]
                                               Saxifraga nelsoniana ssp. pacifica
                                                     [Saxifraga punctata ssp. pacifica]
                                               Saxifraga nelsoniana ssp. porsildiana
                                                     [Saxifraga porsildiana]
                                                     [Saxifraga punctata ssp. porsildiana]
                                             Saxifraga nidifica
                                               Saxifraga nidifica var. claytoniifolia
                                                     [Saxifraga claytoniifolia]
                                                     [Saxifraga fragosa ssp. claytoniifolia]
                                                     [Saxifraga fragosa var. leucandra]
                                                     [Saxifraga fragosa]
                                               Saxifraga nidifica var. nidifica
                                                     [Micranthes montana]
                                                     [Saxifraga columbiana]
                                                     [Saxifraga crenatifolia]
                                                     [Saxifraga montana]
                                                     [Saxifraga plantaginea]
                                             Saxifraga nivalis
                                             Saxifraga nuttallii
                                             Saxifraga occidentalis
                                                   [Micranthes lata]
                                                   [Micranthes occidentalis]
                                                   [Micranthes saximontana]
                                                   [Saxifraga reflexa ssp. occidentalis]
                                               Saxifraga occidentalis var. aequidentata
                                               Saxifraga occidentalis var. allenii
                                               Saxifraga occidentalis var. dentata
                                               Saxifraga occidentalis var. idahoensis
                                               Saxifraga occidentalis var. latipetiolata
                                               Saxifraga occidentalis var. rufidula
                                               Saxifraga occidentalis var. wallowensis
                                             Saxifraga odontoloma
                                                   [Micranthes odontoloma]
                                             Saxifraga oppositifolia
                                               Saxifraga oppositifolia subsp. oppositifolia
                                               Saxifraga oppositifolia ssp. oppositifolia
                                             Saxifraga oregana
                                                   [Micranthes arnoglossa]
                                                   [Micranthes brachypus]
                                                   [Micranthes oregana]
                                                   [Saxifraga montanensis var. subpetala]
                                                   [Saxifraga montanensis]
                                               Saxifraga oregana var. montanensis
                                               Saxifraga oregana var. sierrae
                                               Saxifraga oregana var. subpetala
                                             Saxifraga palmeri
                                             Saxifraga paniculata
                                               Saxifraga paniculata ssp. neogaea
                                                     [Saxifraga aizoon ssp. neogaea]
                                             Saxifraga pedemontana
                                             Saxifraga pensylvanica
                                                   [Micranthes pensylvanica]
                                                   [Saxifraga forbesii]
                                                   [Saxifraga pensylvanica ssp. interior]
                                                   [Saxifraga pensylvanica ssp. tenuirostrata]
                                                   Saxifraga pensylvanica f. fultior
                                               Saxifraga pensylvanica var. forbesii
                                               Saxifraga pensylvanica var. purpuripetala
                                             Saxifraga pentadactylis
                                             Saxifraga punctata
                                               Saxifraga punctata var. arguta
                                               Saxifraga punctata var. cascadensis
                                               Saxifraga punctata var. porsildiana
                                             Saxifraga rhomboidea
                                                   [Micranthes franciscana]
                                                   [Micranthes rhomboidea]
                                                   [Saxifraga austrina]
                                                   [Saxifraga greenei]
                                               Saxifraga rhomboidea var. austrina
                                               Saxifraga rhomboidea var. franciscana
                                             Saxifraga rivularis
                                                   [Saxifraga debilis]
                                                   [Saxifraga hyperborea ssp. debilis]
                                                   [Saxifraga rivularis ssp. flexuosa]
                                               Saxifraga rivularis subsp. rivularis
                                                     [Saxifraga rivalis]
                                               Saxifraga rivularis var. debilis
                                               Saxifraga rivularis var. flexuosa
                                               Saxifraga rivularis var. hyperborea
                                             Saxifraga rivularis ssp. rivularis
                                             Saxifraga rotundifolia
                                             Saxifraga rufidula
                                                   [Saxifraga aequidentata]
                                                   [Saxifraga klickitatensis]
                                                   [Saxifraga occidentalis ssp. rufidula]
                                             Saxifraga serpyllifolia
                                               Saxifraga serpyllifolia var. chrysantha
                                             Saxifraga sibthorpii
                                             Saxifraga stellaris
                                               Saxifraga stellaris var. comosa
                                             Saxifraga stolonifera
                                                   [Saxifraga sarmentosa]
                                             Saxifraga subapetala
                                                   [Saxifraga rydbergii]
                                             Saxifraga tempestiva
                                             Saxifraga tenella
                                             Saxifraga tennesseensis
                                             Saxifraga tenuis
                                             Saxifraga texana
                                                   [Micranthes texana]
                                                   [Saxifraga reevesii]
                                             Saxifraga tischii
                                             Saxifraga tolmiei
                                               Saxifraga tolmiei var. ledifolia
                                             Saxifraga tricuspidata
                                             Saxifraga trifurcata
                                             Saxifraga umbrosa
                                             Saxifraga virginiensis
                                               Saxifraga virginiensis var. californica
                                               Saxifraga virginiensis var. subintegra
                                               Saxifraga virginiensis var. virginiensis
                                                     [Micranthes virginiensis]
                                     Saxifragopsis
                                             Saxifragopsis fragarioides
                                                   [Saxifraga fragarioides]
                                     Suksdorfia
                                             Suksdorfia ranunculifolia
                                                   [Boykinia ranunculifolia]
                                                   [Hemieva ranunculifolia]
                                             Suksdorfia violacea
                                     Sullivantia
                                             Sullivantia hapemanii
                                               Sullivantia hapemanii var. hapemanii
                                               Sullivantia hapemanii var. purpusii
                                                     [Sullivantia purpusii]
                                             Sullivantia oregana
                                             Sullivantia sullivantii
                                                   [Saxifraga sullivantii]
                                                   [Sullivantia ohionis]
                                                   [Sullivantia renifolia]
                                     Tanakaea
                                             Tanakaea radicans
                                     Telesonix
                                             Telesonix heucheriformis
                                                   [Boykinia heucheriformis]
                                             Telesonix jamesii
                                                   [Boykinia jamesii var. heucheriformis]
                                                   [Boykinia jamesii]
                                                   [Saxifraga jamesii]
                                               Telesonix jamesii var. heucheriformis
                                     Tellima
                                             Tellima grandiflora
                                                   [Mitella grandiflora]
                                                   [Tellima odorata]
                                             Tellima grandifloria
                                             Tellima parviflora
                                     Therofon
                                     Tiarella
                                             Tiarella cordifolia
                                                   Tiarella cordifolia f. parviflora
                                               Tiarella cordifolia var. austrina
                                               Tiarella cordifolia var. collina
                                                     [Tiarella wherryi]
                                               Tiarella cordifolia var. cordifolia
                                                     [Tiarella macrophylla]
                                             Tiarella trifoliata
                                               Tiarella trifoliata var. laciniata
                                                     [Tiarella californica]
                                                     [Tiarella laciniata]
                                               Tiarella trifoliata var. trifoliata
                                               Tiarella trifoliata var. unifoliata
                                                     [Tiarella trifoliata ssp. unifoliata]
                                                     [Tiarella unifoliata]
                                     Tolmiea
                                             Tolmiea menziesii
                                                   [Tiarella menziesii]
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