Taxa Count: 5010
ACERACEAE
Acer campestre Linnaeus
Acer circinatum Pursh
Acer ginnala Maximowicz
Acer negundo Linnaeus
Acer negundo var. violaceum (G. Kirchner) H. Jaeger
Acer nigrum F. Michaux
Acer palmatum Thunberg
Acer pensylvanicum Linnaeus
Acer platanoides Linnaeus
Acer pseudoplatanus Linnaeus
Acer rubrum Linnaeus
Acer saccharinum Linnaeus
Acer saccharum Marshall
Acer saccharum var. nigrum (Michx. f.) Britton
Acer spicatum Lamarck
Acer tataricum Linnaeus
Acer tataricum subsp. ginnala (Maximowicz) Wesmael
Acer tataricum subspecies ginnala (Maximowicz) Wesmael
ACTINIDIACEAE
Actinidia arguta (Siebold & Zuccarini) Planchon ex Miquel
ADIANTACEAE
Cryptogramma stelleri (S. G. Gmelin) Prantl
Myriopteris lanosa (Michaux) Grusz & Windham
Pellaea atropurpurea (Linnaeus) Link
Pellaea glabella Mettenius ex Kuhn
ADOXACEAE
AGAVACEAE
Yucca filamentosa Linnaeus
AIZOACEAE
Mollugo verticillata Linnaeus
ALISMATACEAE
Alisma gramineum C. C. Gmelin
Alisma subcordatum Pursh
Alisma triviale Pursh
Echinodorus tenellus (Martius) Buchenau
Lophotocarpus spatulatus J. G. Smith
Sagittaria Linnaeus
Sagittaria cuneata E. Sheldon
Sagittaria engelmanniana J. G. Smith
Sagittaria filiformis J. G. Smith
Sagittaria graminea Michaux
Sagittaria latifolia Willdenow
Sagittaria montevidensis subsp. spongiosa (Engelmann) Bogin
Sagittaria montevidensis subspecies spongiosa (Engelmann) Bogin
Sagittaria rigida Pursh
Sagittaria subulata (Linnaeus) Buch
Sagittaria teres S. Watson
ALLIACEAE
Allium Linnaeus
Allium ampeloprasum Linnaeus
Allium burdickii (Hanes) A. G. Jones
Allium canadense Linnaeus
Allium cepa Linnaeus
Allium cepa var. viviparum (Metz) Mansfeld
Allium oleraceum Linnaeus
Allium sativum Linnaeus
Allium schoenoprasum Linnaeus
Allium tricoccum Aiton
Allium tuberosum Röttler ex Sprengel
Allium vineale Linnaeus
Allium ×proliferum (Moench) Schrader ex Willdenow
AMARANTHACEAE
Alternanthera pungens Kunth
Amaranthus Linnaeus
Amaranthus albus Linnaeus
Amaranthus blitoides S. Watson
Amaranthus blitum Linnaeus
Amaranthus cannabinus (Linnaeus) J. D. Sauer
Amaranthus caudatus Linnaeus
Amaranthus cruentus Linnaeus
Amaranthus deflexus Linnaeus
Amaranthus gracilis Desfontaines
Amaranthus hybridus Linnaeus
Amaranthus hypochondriacus Linnaeus
Amaranthus palmeri S. Watson
Amaranthus powellii S. Watson
Amaranthus pumilus Rafinesque
Amaranthus retroflexus Linnaeus
Amaranthus spinosus Linnaeus
Amaranthus tuberculatus (Moquin-Tandon) Sauer
Amaranthus viridis Linnaeus
Celosia cristata Linnaeus
Chenopodiastrum simplex (Torrey) S. Fuentes, Uotila & Borsch
AMARYLLIDACEAE
Galanthus nivalis Linnaeus
Leucojum aestivum Linnaeus
Narcissus poeticus Linnaeus
Narcissus pseudonarcissus Linnaeus
AMBLYSTEGIACEAE
ANACARDIACEAE
Cotinus coggygria Scopoli
Rhus aromatica Aiton
Rhus copallinum Linnaeus
Rhus copallinum var. latifolia Engler
Rhus glabra Linnaeus
Rhus toxicodendron f. malacotrichocarpum A. H. Moore
Rhus typhina Linnaeus
Rhus typhina f. laciniata (Alph. Wood) Rehder
Toxicodendron radicans (Linnaeus) Kuntze
Toxicodendron radicans var. rydbergii (Small ex Rydberg) Erskine
Toxicodendron rydbergii (Small ex Rydberg) Greene
Toxicodendron vernix (Linnaeus) Kuntze
ANDREAEACEAE
ANNONACEAE
Asimina triloba (Linnaeus) Dunal
ANTHOCEROTACEAE
APIACEAE
Aegopodium podagraria Linnaeus
Aethusa cynapium Linnaeus
Anethum graveolens Linnaeus
Angelica atropurpurea Linnaeus
Angelica venenosa (Greenway) Fernald
Anthriscus caucalis M. Bieberstein
Anthriscus cerefolium (Linnaeus) Hoffmann
Anthriscus sylvestris (Linnaeus) Hoffmann
Apium graveolens Linnaeus
Bupleurum lancifolium Hornemann
Bupleurum rotundifolium Linnaeus
Carum carvi Linnaeus
Cicuta bulbifera Linnaeus
Cicuta maculata Linnaeus
Coelopleurum lucidum (Linnaeus) Fernald
Conioselinum chinense Britton, Stearn & Poggenburg
Conium maculatum Linnaeus
Coriandrum sativum Linnaeus
Cryptotaenia canadensis (Linnaeus) de Candolle
Cuminum cyminum Linnaeus
Daucus carota Linnaeus
Eryngium amethystinum Linnaeus
Eryngium planum Linnaeus
Eryngium yuccaefolium Michaux
Eryngium yuccifolium Michaux
Falcaria vulgaris Bernhardi
Foeniculum vulgare Miller
Heracleum mantegazzianum Sommier & Levier
Heracleum maximum W. Bartram
Heracleum sphondylium Linnaeus
Hydrocotyle americana Linnaeus
Hydrocotyle umbellata Michaux
Hydrocotyle verticillata Thunberg
Levisticum officinale W. D. J. Koch
Ligusticum scoticum Linnaeus
Lilaeopsis chinensis (Linnaeus) Kuntze
Osmorhiza berteroi de Candolle
Osmorhiza claytoni (Michaux) Clarke
Osmorhiza claytonii (Michaux) C. B. Clarke
Osmorhiza depauperata Philippi
Osmorhiza longistylis (Torrey) de Candolle
Panax quinquefolius Linnaeus
Panax trifolius Linnaeus
Pastinaca sativa Linnaeus
Petroselinum crispum (Miller) Nyman ex A. W. Hill
Peucedanum palustre (Linnaeus) Moench
Pimpinella anisum Linnaeus
Pimpinella saxifraga Linnaeus
Ptilimnium capillaceum (Michaux) Rafinesque
Sanicula canadensis Linnaeus
Sanicula canadensis var. grandis Fernald
Sanicula marilandica Linnaeus
Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe
Sanicula trifoliata E. P. Bicknell
Scandix pecten-veneris Linnaeus
Sium suave Walter
Sium suave f. fasciculatum Fassett
Taenidia integerrima (Linnaeus) Drude
Torilis japonica (Houttuyn) de Candolle
Zizia aptera (A. Gray) Fernald
Zizia aurea (Linnaeus) W. D. J. Koch
APOCYNACEAE
Amsonia tabernaemontana Walter
Apocynum androsaemifolium Linnaeus
Apocynum cannabinum Linnaeus
Apocynum ×floribundum Greene
Periploca graeca Linnaeus
Vinca herbacea Waldst. & Kit.
Vinca major Linnaeus
Vinca major var. variegata Loudon
Vinca minor Linnaeus
AQUIFOLIACEAE
Ilex crenata Thunberg
Ilex glabra (Linnaeus) A. Gray
Ilex laevigata (Pursh) A. Gray
Ilex montana Torrey & A. Gray
Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews
Ilex opaca Aiton
Ilex verticillata (Linnaeus) A. Gray
Ilex verticillata f. hodgdonii F. Seymour
Ilex verticillata var. padifolia (Willdenow) Torrey & A. Gray ex S. Watson
ARACEAE
Acorus americanus (Rafinesque) Rafinesque
Acorus calamus Linnaeus
Arisaema dracontium (Linnaeus) Schott
Arisaema triphyllum (Linnaeus) Schott
Arisaema triphyllum subsp. stewardsonii (Britton) Huttleston
Arisaema triphyllum subspecies pusillum (Peck) Huttleston
Arisaema triphyllum subspecies stewardsonii
Arisaema triphyllum subspecies stewardsonii (Britton) Huttleston
Arisaema triphyllum var. stewardsonii (Britton) Stevens ex Wiegand & Eames
Calla palustris Linnaeus
Orontium aquaticum Linnaeus
Peltandra virginica (Linnaeus) Rafinesque ex Schott
Pinellia ternata (Thunberg) Makino ex Breitenbach
Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton
ARALIACEAE
Aralia californica S. Watson
Aralia elata (Miquel) Seemann
Aralia hispida Ventenat
Aralia nudicaulis Linnaeus
Aralia racemosa Linnaeus
Aralia spinosa Linnaeus
Eleutherococcus sieboldianus (Makino) Koidzumi
Hedera helix Linnaeus
Hedera hibernica (G. Kirchner) Bean
Kalopanax septemlobus (Thunberg ex A. Murray) Koidzumi
ARECACEAE
Phoenix dactylifera Linn
ARISTOLOCHIACEAE
Aristolochia clematitis Linnaeus
Aristolochia macrophylla Lamarck
Aristolochia serpentaria Linnaeus
Aristolochia tomentosa Sims
Asarum canadense Linnaeus
ASCLEPIADACEAE
Asclepias Linnaeus
Asclepias amplexicaulis Smith
Asclepias amplexicaulis ×syriaca Linnaeus
Asclepias exaltata Linnaeus
Asclepias incarnata Linnaeus
Asclepias incarnata subsp. pulchra (Ehrhart ex Willdenow) Woodson
Asclepias incarnata subspecies pulchra (Ehrhart ex Willdenow) Woodson
Asclepias incarnata var. pulchra (Ehrhart ex Willdenow) Persoon
Asclepias obtusifolia Michaux
Asclepias purpurascens Linnaeus
Asclepias quadrifolia Jacquin
Asclepias syriaca Linnaeus
Asclepias syriaca f. inermis J. R. Churchill
Asclepias tuberosa Linnaeus
Asclepias variegata Linnaeus
Asclepias verticillata Linnaeus
Asclepias viridiflora Rafinesque
Cynanchum louiseae Kartesz & Gandhi
Cynanchum rossicum (Kleopow) Borhidi
Cynanchum vincetoxicum (Linnaeus) Persoon
Vincetoxicum nigrum (Linnaeus) Moench
ASPARAGACEAE
Asparagus officinalis Linnaeus
ASPIDIACEAE
Aspidium simulatum Davenport
Polystichum acrostichoides (Michaux) Schott
Polystichum braunii (Spenner) F ée (Spenner) Fée
Polystichum ×potteri Barrington
ASPLENIACEAE
Asplenium montanum Willdenow
Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg
Asplenium platyneuron var. incisum (Howe ex Peck) B. L. Robinson
Asplenium rhizophyllum Linnaeus
Asplenium ruta-muraria Linnaeus
Asplenium trichomanes Linnaeus
Asplenium trichomanes subspecies quadrivalens D. E. Meyer
Asplenium viride Hudson
Asplenium ×clermontiae Syme
Asplenium ×ebenoides R. R. Scott
Camptosorus rhizophyllus f. auriculatus Ralph Hoffmann
ASTERACEAE
Acanthospermum australe (Linnaeus) Kuntze
Achillea millefolium Linnaeus
Achillea millefolium f. rosea E. L. Rand & Redfield
Achillea ptarmica Linnaeus
Achillea tomentosa Pursh
Ageratina altissima (Linnaeus) R. M. King & H. Robinson
Ageratina aromatica (Linnaeus) Spach
Ageratum houstonianum Miller
Ambrosia artemisiifolia Linnaeus
Ambrosia artemisiifolia var. paniculata (Michaux) Blankinship
Ambrosia psilostachya de Candolle
Ambrosia trifida Linnaeus
Anaphalis margaritacea (Linnaeus) Bentham & Hooker f.
Anaphalis margaritacea var. intercedens H. Hara
Antennaria howellii Greene
Antennaria howellii subsp. canadensis (Greene) R. J. Bayer
Antennaria howellii subsp. neodioica (Greene) R. J. Bayer
Antennaria howellii subspecies canadensis (Greene) Bayer
Antennaria howellii subspecies neodioica (Greene) Bayer
Antennaria howellii subspecies petaloidea (Fernald) Bayer
Antennaria neglecta Greene
Antennaria neglecta var. subcorymbosa Fernald
Antennaria neodioca Greene
Antennaria neodioica var. attenuata Fernald
Antennaria neodioica var. chlorophylla Fernald
Antennaria parlinii Fernald
Antennaria parlinii subsp. fallax (Greene) R. J. Bayer & Stebbins
Antennaria parlinii subspecies fallax (Greene) Bayer & Stebbins
Antennaria plantaginea R. Brown
Antennaria plantaginifolia (Linnaeus) Hooker
Antennaria rupicola Fernald
Anthemis arvensis Linnaeus
Anthemis arvensis var. agrestis (Wallroth) de Candolle
Anthemis cotula Linnaeus
Arctium lappa Linnaeus
Arctium minus (Hill) Bernhardi
Arctium nemorosum Lejeune
Arctium tomentosum Miller
Arnica lanceolata Nuttall
Artemisia abrotanum Linnaeus
Artemisia absinthium Linnaeus
Artemisia annua Linnaeus
Artemisia biennis Willdenow
Artemisia campestris subsp. caudata (Michaux) H. M. Hall & Clements
Artemisia campestris subspecies canadensis (Michaux) Scoggan
Artemisia carruthii Alph. Wood ex J. H. Carruth
Artemisia dracunculus Linnaeus
Artemisia frigida Willdenow
Artemisia ludovciana Nuttall
Artemisia ludoviciana Nuttall
Artemisia pontica Linnaeus
Artemisia stellariana Besser
Artemisia stelleriana Besser
Artemisia vulgaris Linnaeus
Artemisia vulgaris subsp. gnaphalodes (Nuttall) H. M. Hall & Clements
Aster brachyactis S. F. Blake
Aster cordifolius var. furbishiae Fernald
Aster ensifer Bosserdet
Aster ferox E. S. Burgess
Aster foliaceus var. sublinearis Griscom & R. J. Eaton
Aster junciformis Rydberg
Aster lateriflorus var. angustifolius Wiegand
Aster linariifolius f. leucactis Benke
Aster lindleyanus var. comatus Fernald
Aster masardiensis E. S. Burgess
Aster nemoralis f. albiflorus Fernald
Aster paniculatus var. cinerascens Fernald
Aster puniceus var. compactus Fernald
Aster puniceus var. oligocephalus Fernald
Aster sabulosus E. S. Burgess
Aster simplex var. ramosissimus (Torrey & A. Gray) Cronquist
Aster tardiflorus var. vestitus Fernald
Aster uniformis E. S. Burgess
Aster vimineus var. dubius Wiegand
Aster vimineus var. saxatilis Fernald
Aster ×herveyi A. Gray
Baccharis halimifolia Linnaeus
Balsamita major Desfontaines
Bellis perennis Linnaeus
Bidens Linnaeus
Bidens aristosa (Michaux) Britton
Bidens beckii Torrey
Bidens bipinnata Linnaeus
Bidens cernua Linnaeus
Bidens cernua var. elliptica Wiegand
Bidens colpophila Fernald & H. St. John
Bidens comosa (A. Gray) Wiegand
Bidens connata Muhlenberg ex Willdenow
Bidens connata var. gracilipes Fernald
Bidens connata var. inundata Fernald
Bidens connata var. petiolata (Nuttall) Farwell
Bidens coronata var. brachyodonta Fernald
Bidens discoidea (Torrey & A. Gray) Britton
Bidens eatoni Fernald
Bidens eatoni var. fallax Fernald
Bidens eatoni var. illicita S. F. Blake
Bidens eatoni var. kennebecensis Fernald
Bidens eatonii Fernald
Bidens frondosa Linnaeus
Bidens hyperborea F. C. Greene
Bidens hyperborea var. cathancensis Fernald
Bidens laevis (Linnaeus) Britton, Stearn & Poggenburg
Bidens melanocarpa Wiegand
Bidens pilosa Linnaeus
Bidens polylepis Blake
Bidens trichosperma (Michaux) Britton
Bidens tripartita Linnaeus
Bidens vulgata Greene
Bidens ×multiceps Fassett
Boltonia asteroides var. recognita (Fernald & Grisc.) Cronquist
Calendula officinalis Linnaeus
Carduus acanthoides Linnaeus
Carduus nutans Linnaeus
Carthamus lanatus Linnaeus
Carthamus tinctorius Linnaeus
Centaurea amara Linnaeus
Centaurea benedicta (Linnaeus) Linnaeus
Centaurea diffusa Lamarck
Centaurea jacea Linnaeus
Centaurea melitensis Linnaeus
Centaurea montana Linnaeus
Centaurea nigra Linnaeus
Centaurea nigrescens Willdenow
Centaurea scabiosa Linnaeus
Centaurea solstitialis Linnaeus
Centaurea stoebe Linnaeus
Centaurea stoebe subsp. micranthos (Gugler) Hayek
Centaurea vochinensis Bernhardi ex Reichenbach
Centaurea ×moncktonii C. E. Britton
Chaenactis glabriuscula de Candolle
Chrysanthemum leucanthemum Linnaeus
Chrysanthemum morifolium Ramatuelle
Chrysanthemum parthenium (Linnaeus) Bernhardi
Chrysanthemum vulgare (Linnaeus) Bernhardi
Chrysopsis falcata (Pursh) Elliott
Chrysopsis mariana (Linnaeus) Elliott
Cichorium Linnaeus
Cichorium endivia Linnaeus
Cichorium intybus Linnaeus
Cirsium arvense (Linnaeus) Scopoli
Cirsium discolor (Muhlenberg ex Willdenow) Sprengel
Cirsium flodmanii (Rydberg) Arthur
Cirsium horridulum Michaux
Cirsium muticum Michaux
Cirsium palustre (Linnaeus) Scopoli
Cirsium pumilum (Nuttall) Sprengel
Cirsium pumilum f. candidum Fernald
Cirsium vulgare (Savi) Tenore
Coreopsis grandiflora Hogg ex Sweet
Coreopsis lanceolata Linnaeus
Coreopsis major Walter
Coreopsis major var. stellata (Nuttall) B. L. Robinson
Coreopsis pubescens Elliott
Coreopsis rosea Nuttall
Coreopsis rosea var. leucantha Fernald
Coreopsis tinctoria Nuttall
Coreopsis verticillata Linnaeus
Cosmos bipinnatus Cavanilles
Cosmos parviflorus (Jacquin) Persoon
Cota tinctoria (Linnaeus) J. Gay
Cotula coronopifolia Linnaeus
Crepis capillaris (Linnaeus) Wallroth
Crepis foetida Linnaeus
Crepis tectorum Linnaeus
Crepis vesicaria subspecies haenseleri (Boissier ex de Candolle) P. D. Sell
Crupina vulgaris Cassini
Cyanus segetum Hill
Deinandra fasciculata (de Candolle) Greene
Doellingeria infirma (Michaux) Greene
Doellingeria umbellata (Miller) Nees
Doronicum pardalianches Linnaeus
Dyssodia papposa Hitchcock
Echinacea pallida Nuttall
Echinacea purpurea (Linnaeus) Moench
Echinops sphaerocephalus Linnaeus
Eclipta alba (Linnaeus) Hasskarl
Erechtites hieraciifolia (Linnaeus) Rafinesque ex de Candolle
Erechtites hieraciifolia var. megalocarpa (Fernald) Cronquist
Erechtites hieraciifolius (Linnaeus) Rafinesque ex de Candolle
Erechtites megalocarpa Fernald
Erigeron acris var. kamteschaticus (de Candolle) Herder
Erigeron annuus (Linnaeus) Persoon
Erigeron canadense Linnaeus
Erigeron canadensis Linnaeus
Erigeron hyssopifolius Michaux
Erigeron philadelphicus Linnaeus
Erigeron pulchellus Michaux
Erigeron strigosus Muhlenberg ex Willdenow
Erigeron strigosus var. septentrionalis (Fernald & Wiegand) Fernald
Eupatorium album Linnaeus
Eupatorium altissimum Linnaeus
Eupatorium hyssopifolium Linnaeus
Eupatorium leucolepis var. novae-angliae Fernald
Eupatorium novae-angliae (Fernald) V. I. Sullivan ex A. Haines & Sorrie
Eupatorium perfoliatum Linnaeus
Eupatorium perfoliatum f. purpureum Britton
Eupatorium perfoliatum f. trifolium Fassett
Eupatorium pilosum Walter
Eupatorium pubescens Muhlenberg ex Willdenow
Eupatorium purpureum Linnaeus
Eupatorium purpureum f. decolor F. Seymour
Eupatorium purpureum var. foliosum Fernald
Eupatorium rotundifolium Linnaeus
Eupatorium rotundifolium var. ovatum (Bigelow) Torrey ex de Candolle
Eupatorium serotinum Michaux
Eupatorium sessilifolium Linnaeus
Eurybia divaricata (Linnaeus) G. L. Nesom
Eurybia macrophylla (Linnaeus) Cassini
Eurybia radula (Aiton) G. L. Nesom
Eurybia schreberi (Nees) Nees
Eurybia spectabilis (Aiton) G. L. Nesom
Eurybia ×herveyi (A. Gray) G. L. Nesom
Eurybia ×herveyi: Duplicate G. L. Nesom
Euthamia caroliniana (Linnaeus) Greene ex Porter & Britton
Euthamia graminifolia (Linnaeus) Nuttall
Euthamia graminifolia var. nuttallii (Greene) W. Stone
Eutrochium dubium (Willdenow ex Poiret) E. E. Lamont
Eutrochium fistulosum (Barratt) E. E. Lamont
Eutrochium maculatum (Linnaeus) E. E. Lamont
Eutrochium maculatum var. foliosum (Fernald) E. E. Lamont
Eutrochium purpureum (Linnaeus) E. E. Lamont
Flaveria bidentis (Linnaeus) Kuntze
Gaillardia aristata Pursh
Galinsoga ciliata (Rafinesque) S. F. Blake
Galinsoga parviflora Cavanilles
Galinsoga quadriradiata Ruiz & Pavon
Gamochaeta pensylvanica (Willdenow) Cabrera
Gamochaeta purpurea (Linnaeus) Cabrera
Glebionis coronarium (Linnaeus) Tzvelev
Glebionis segetum (Linnaeus) Fourreau
Gnaphalium obtusifolium var. micradenium Weatherby
Gnaphalium uliginosum Linnaeus
Grindelia squarrosa (Pursh) Dunal
Guizotia abyssinica (Linnaeus f.) Cassini
Helenium autumnale Linnaeus
Helenium flexuosum Rafinesque
Helianthus annuus Linnaeus
Helianthus debilis var. cucumerifolius (Torrey & A. Gray) A. Gray
Helianthus decapetalus Linnaeus
Helianthus divaricatus Linnaeus
Helianthus giganteus Linnaeus
Helianthus grosseserratus G. Martens
Helianthus laetiflorus Persoon
Helianthus maximiliani Schrader
Helianthus maximilianii Schrader
Helianthus mollis Lamarck
Helianthus pauciflorus Nuttall
Helianthus pauciflorus subspecies subrhomboideus (Rydb.) O. Spring & E. Schilling
Helianthus petiolaris Nuttall
Helianthus strumosus Linnaeus
Helianthus tuberosus Linnaeus
Helianthus ×ambiguus (A. Gray) Britton (pro. sp.)
Helianthus ×intermedius R. W. Long
Helianthus ×kellermanii Britton
Helianthus ×luxurians E. Watson
Heliopsis helianthoides (Linnaeus) Sweet
Heliopsis helianthoides var. scabra (Dunal) Fernald
Helminthotheca echioides (Linnaeus) Holub
Heterosperma pinnatum Cavanilles
Hieracium C. As. E. PLongitosum Dumortier
Hieracium Linnaeus
Hieracium aurantiacum Linnaeus
Hieracium caespitosum Dumortier
Hieracium flagellare Willdenow
Hieracium floribundum Wimm. & Grab.
Hieracium gronovii Linnaeus
Hieracium kalmii Linnaeus
Hieracium lachenalii C. C. Gmelin
Hieracium maculatum Smith
Hieracium murorum Linnaeus
Hieracium paniculatum Linnaeus
Hieracium paniculatum f. glandulosum Ralph Hoffmann
Hieracium pilosella Linnaeus
Hieracium piloselloides Villars
Hieracium praealtum Villars ex Gochnat
Hieracium praealtum var. decipiens W. D. J. Koch
Hieracium pratense Tausch
Hieracium robinsonii (Zahn) Fernald
Hieracium sabaudum Linnaeus
Hieracium scabrum Michaux
Hieracium umbellatum Linnaeus
Hieracium venosum Linnaeus
Hieracium ×atramentarium (Naegeli & Peter) Zahn ex Engl. (pro sp.)
Hieracium ×fassettii Lepage
Hieracium ×fernaldii Lepage
Hieracium ×floribundum Wimmer & Grabowski
Hieracium ×fuscatrum Naegeli & Peter (pro sp.)
Hieracium ×marianum Willdenow
Hypochaeris glabra Linnaeus
Hypochaeris radicata Linnaeus
Inula helenium Linnaeus
Inula racemosa Hooker f.
Ionactis linariifolia (Linnaeus) Greene
Ionactis linariifolius (Linnaeus) Greene
Iva frutescens Linnaeus
Iva xanthifolia Nuttall
Krigia biflora (Walter) S. F. Blake
Krigia virginica (Linnaeus) Willdenow
Lactuca Linnaeus
Lactuca biennis (Moench) Fernald
Lactuca canadensis Linnaeus
Lactuca canadensis var. latifolia Kuntze
Lactuca canadensis var. longifolia (Michaux) Farwell
Lactuca hirsuta Muhlenberg ex Nuttall
Lactuca serriola Linnaeus
Lactuca tatarica (Linnaeus) C. A. Meyer
Lactuca ×morssii B. L. Robinson
Lapsana communis Linnaeus
Lasthenia californica de Candolle ex Lindley
Lasthenia minor (de Candolle) Ornduff
Layia platyglossa (Fischer & C. A. Meyer) A. Gray
Leontodon hispidus Linnaeus
Leontodon saxatilis Lamarck
Leucanthemella serotina (Linnaeus) Tzvelev
Leucanthemum vulgare Lamarck
Leucanthemum vulgare var. pinnatifidum (Lecoq & Lamotte) Moldenke
Liatris novae-angliae (Lunell) Shinners
Liatris pycnostachya Michaux
Liatris scariosa (Linnaeus) Willdenow
Liatris scariosa var. novae-angliae Lunell
Liatris spicata (Linnaeus) Willdenow
Madia glomerata Hooker
Madia sativa Molina
Matricaria chamomilla Linnaeus
Matricaria discoidea de Candolle
Matricaria matricarioides (Lessing) Porter
Microseris douglasii (de Candolle) Schultz Bipontinus
Mikania scandens (Linnaeus) Willdenow
Mycelis muralis (Linnaeus) Dumortier
Nabalus albus (Linnaeus) Hooker
Nabalus altissimus (Linnaeus) Hooker
Nabalus boottii de Candolle
Nabalus racemosus (Michaux) de Candolle
Nabalus serpentarius (Pursh) Hooker
Nabalus trifoliolatus Cassini
Nabalus ×mainensis (Gray) Heller
Oclemena acuminata (Michaux) Greene
Oclemena blakei (Porter) G. L. Nesom
Oclemena nemoralis (Aiton) Greene
Oclemena ×blakei (Porter) G. L. Nesom
Oligoneuron album (Nuttall) G. L. Nesom
Oligoneuron rigidum (Linnaeus) Small
Omalotheca supina (Linnaeus) de Candolle
Omalotheca sylvatica (L.) Sch. Bip. & F.W. Schultz
Onopordum acanthium Linnaeus
Packera anonyma (Alph. Wood) W. A. Weber & Á. Löve
Packera aurea (Linnaeus) A. Löve & D. Löve
Packera aurea Á. Löve & D. L öve Á. Löve & D. Löve
Packera obovata (Muhlenberg ex Willdenow) W. A. Weber & Á. Löve
Packera paupercula (Michaux) A. Löve & D. Löve
Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve
Packera öve (Muhlenberg ex Willdenow) W. A. Weber & Á. Löve
Palafoxia texana de Candolle
Parthenium hysterophorus Linnaeus
Parthenium integrifolium Linnaeus
Petasites frigidus (Linnaeus) Fries
Petasites frigidus var. palmatus (Aiton) Cronquist
Petasites hybridus (Linnaeus) G. Gaertner
Picris hieracioides Linnaeus
Pityopsis falcata (Pursh) Nuttall
Pluchea camphorata (Linnaeus) de Candolle
Pluchea odorata (Linnaeus) Cassini
Pluchea odorata var. succulenta (Fernald) Cronquist
Pluchea purpurascens var. succulenta Fernald
Polymnia canadensis Linnaeus
Prenanthes altissima Linnaeus
Pseudognaphalium macounii (Greene) Kartesz
Pseudognaphalium micradenium (Weatherby) G. L. Nesom
Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt
Ratibida columnifera (Nutt.) Woot. & Standl.
Ratibida pinnata (Ventenat) Barnhart
Rudbeckia bicolor Nuttall
Rudbeckia fulgida var. speciosa (Wenderoth) Perdue
Rudbeckia fulgida variety sullivantii (C.L. Boynt. & Beadle) Cronq.
Rudbeckia hirta Linnaeus
Rudbeckia hirta var. pulcherrima Farwell
Rudbeckia laciniata Linnaeus
Rudbeckia subtomentosa Pursh
Rudbeckia sullivantii Boynton & Beadle
Rudbeckia triloba Linnaeus
Santolina chamaecyparissus Linnaeus
Schkuhria pinnata (Lamarck) Kuntze ex Thellung
Sclerolepis uniflora (Walter) Britton, Sterns & Poggenburg
Scorzoneroides autumnalis (Linnaeus) Moench
Scorzoneroides autumnalis subspecies borealis (Ball) Greuter
Senecio aureus var. lanceolatus Oakes
Senecio balsamitae var. praelongus Greenman
Senecio eremophilus var. macdougalii (A. Heller) Cronquist
Senecio jacobaea Linnaeus
Senecio robbinsii Oakes ex Rusby
Senecio robbinsii f. invenustus Fernald
Senecio suaveolens (Linnaeus) Elliott
Senecio sylvaticus Linnaeus
Senecio viscosus Linnaeus
Senecio vulgaris Linnaeus
Sericocarpus asteroides (Linnaeus) Britton, Sterns & Poggenburg
Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg
Silphium perfoliatum Linnaeus
Silybum marianum (Linnaeus) Gaertner
Solidago Linnaeus
Solidago aestivalis E. P. Bicknell
Solidago aestivalis ×latissimifolia Nuttall
Solidago altissima Linnaeus
Solidago arguta Aiton
Solidago bicolor Linnaeus
Solidago caesia Linnaeus
Solidago canadensis Linnaeus
Solidago canadensis var. glabrata Porter
Solidago canadensis var. hargeri Fernald
Solidago curtisii var. curtisii
Solidago cutleri Fernald
Solidago elliottii var. ascendens Fernald
Solidago flexicaulis Linnaeus
Solidago gigantea Aiton
Solidago gigantea var. leiophylla Fernald
Solidago hispida Muhlenberg ex Willdenow
Solidago juncea Aiton
Solidago latissimifolia Miller
Solidago leiocarpa de Candolle
Solidago lepida var. fallax Fernald
Solidago macrophylla Pursh
Solidago nemoralis Aiton
Solidago odora Aiton
Solidago patula Muhlenberg
Solidago ptarmicoides (Torrey & A. Gray) B. Boivin
Solidago puberula Nuttall
Solidago rugosa Miller
Solidago rugosa subsp. aspera (Aiton) Cronquist
Solidago rugosa var. aspera (Aiton) Fernald
Solidago rugosa var. sphagnophila C. B. Graves
Solidago sempervirens Linnaeus
Solidago sempervirens var. mexicana (Linnaeus) Fernald
Solidago simplex Kunth
Solidago simplex subsp. randii (Porter) G. S. Ringius
Solidago simplex var. racemosa (Greene) G. S. Ringius
Solidago speciosa Nuttall
Solidago squarrosa Nuttall
Solidago uliginosa Nuttall
Solidago ulmifolia Muhlenberg
Solidago virgaurea Linnaeus
Solidago virgaurea var. calcicola Fernald
Solidago virgaurea var. randii Porter
Solidago ×asperula Desfontaines
Solidago ×calcicola (Fernald) Fernald
Sonchus arvensis Linnaeus
Sonchus arvensis subsp. uliginosa (M. Bieberstein) Nyman
Sonchus arvensis subspecies uliginosus (M. Bieberstein) Nyman
Sonchus arvensis var. glabrescens Günther, Grabowski & Wimmer
Sonchus asper (Linnaeus) Hill
Sonchus oleraceus Linnaeus
Symphyotrichum amethystinum (Nuttall) G. L. Nesom
Symphyotrichum anticostense (Fernald) G. L. Nesom
Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. L öve (Torr. & A. Gray)Á. Löve & D. Löve
Symphyotrichum ciliatum (Ledebour) G. L. Nesom
Symphyotrichum concolor (Linnaeus) G. L. Nesom
Symphyotrichum cordifolium (Linnaeus) G. L. Nesom
Symphyotrichum dumosum (Linnaeus) G. L. Nesom
Symphyotrichum ericoides (Linnaeus) G. L. Nesom
Symphyotrichum frodosum (Nutt) Nesom
Symphyotrichum laeve (Linnaeus) A. Löve & D. Löve
Symphyotrichum lanceolatum (Willdenow) G. L. Nesom
Symphyotrichum lanceolatum var. latifolium (Semple & Chmielewski) G. L. Nesom
Symphyotrichum lateriflorum (Linnaeus) Á. Löve & D. Löve
Symphyotrichum lateriflorum var. angustifolium (Wiegand) G. L. Nesom
Symphyotrichum novae-angliae (Linnaeus) G. L. Nesom
Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom
Symphyotrichum novi-belgii var. elodes (Torr. & A. Gray) G.L. Nesom
Symphyotrichum novi-belgii var. villicaule (A. Gray) J. Labrecque & L. Brouillet
Symphyotrichum ontarionis (Wiegand) G. L. Nesom
Symphyotrichum patens (Aiton) G. L. Nesom
Symphyotrichum pilosum (Willdenow) G. L. Nesom
Symphyotrichum pilosum var. pringlei (A. Gray) G. L. Nesom
Symphyotrichum praealtum (Poiret) G. L. Nesom
Symphyotrichum prenanthoides (Muhlenberg ex Willdenow) G. L. Nesom
Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve
Symphyotrichum racemosum (Elliott) G. L. Nesom
Symphyotrichum subulatum (Michaux) G. L. Nesom
Symphyotrichum tenuifolium (Linnaeus) G. L. Nesom
Symphyotrichum tradescantii (Linnaeus) G. L. Nesom
Symphyotrichum undulatum (Linnaeus) G. L. Nesom
Symphyotrichum urophyllum (Lindley ex de Candolle) G. L. Nesom
Symphyotrichum ×amethystinum (Nuttall) G. L. Nesom
Symphyotrichum ×tardiflorum (Linnaeus) Greuter, M. V. Agabajan & Wagenitz
Tagetes erecta Linnaeus
Tagetes minuta Linnaeus
Tagetes patula Linnaeus
Tagetes signata Bartling
Tanacetum bipinnatum subspecies huronense (Nuttall) Breitung
Tanacetum parthenium (Linnaeus) Schultz Bipontinus
Tanacetum vulgare Linnaeus
Tanacetum vulgare forma crispum (Linnaeus) Fernald
Tanacetum vulgare var. crispum de Candolle
Taraxacum F. H. Wiggers
Taraxacum erythrospermum Andrzejowski ex Besser
Taraxacum lacistophyllum (Dahlstedt) Raunkier
Taraxacum laevigatum (Willdenow) de Candolle
Taraxacum latilobum de Candolle
Taraxacum officinale F. H. Wiggers
Taraxacum officinale var. palustre (Lyons) Blytt
Thymophylla tenuiloba (de Candolle) Small
Tragopogon Linnaeus
Tragopogon dubius Scopoli
Tragopogon porrifolius Linnaeus
Tragopogon pratensis Linnaeus
Tripleurospermum maritimum (Linnaeus) W. D. J. Koch
Tripleurospermum maritimum subsp. inodorum (L.)
Tussilago farfara Linnaeus
Verbesina alternifolia (Linnaeus) Britton ex Kearney
Verbesina alternifolia (Robins) S. F. Blake
Verbesina encelioides subsp. exauriculata (Cav.) Benth. & Hook.
Vernonia fasciculata Michaux
Vernonia missurica Rafinesque
Vernonia noveboracensis (Linnaeus) Michaux
Xanthisma de Candolle
Xanthium ambrosioides Hooker & Arnott
Xanthium orientale Linnaeus
Xanthium spinosum Linnaeus
Xanthium strumarium Linnaeus
Xanthium strumarium var. canadense (Mill.) Torr. & A. Gray
Xanthium strumarium var. glabratum (de Candolle) Cronquist
Xerochrysum bracteatum (Ventenat) Tzvelev
Zinnia elegans Jacquin
ATHYRIACEAE
Athyrium angustum (Willdenow) C. Presl
Athyrium filix-femina (Linnaeus) Roth
Athyrium filix-femina var. angustum (Willdenow) G. Lawson
Athyrium filix-femina var. asplenioides (Michaux) Farwell
Athyrium niponicum (Mettenius) Hance
Cystopteris bulbifera (Linnaeus) Bernhardi
Cystopteris fragilis (Linnaeus) Bernhardi
Cystopteris tenuis (Michaux) Desvaux
Deparia acrostichoides (Swartz) M. Kato
Gymnocarpium dryopteris (Linnaeus) Newman
Homalosorus pycnocarpos (Sprengel) Pichi Sermolli
Matteuccia struthiopteris (Linnaeus) Todaro
Onoclea sensibilis Linnaeus
Onoclea sensibilis var. obtusilobata (Schkuhr) Torrey
AULACOMNIACEAE
AZOLLACEAE
Azolla caroliniana Willdenow
BALSAMINACEAE
Impatiens balsamina Linnaeus
Impatiens biflora f. citrina Weatherby
Impatiens biflora f. immaculata Weatherby
Impatiens biflora f. peasei A. H. Moore
Impatiens biflora f. platymeris Weatherby
Impatiens capensis Meerburgh
Impatiens fulva f. albiflora E. L. Rand & Redfield
Impatiens glandulifera Royle
Impatiens pallida Nuttall
BARTRAMIACEAE
Philonotis muhlenbergii
BERBERIDACEAE
Berberis thunbergii de Candolle
Berberis vulgaris Linnaeus
Berberis ×ottawensis C. K. Schneider
Caulophyllum giganteum (Farw.) Loconte & Blackwell
Caulophyllum thalictroides (Linnaeus) Michaux
Epimedium alpinum Linnaeus
Epimedium youngianum Fisch. & C.A. Mey. (pro sp.)
Mahonia aquifolium (Pursh) Nuttall
Podophyllum peltatum Linnaeus
BETULACEAE
Alnus glutinosa (Linnaeus) Gaertner
Alnus incana (Linnaeus) Moench
Alnus incana subsp. rugosa (Du Roi) R. T. Clausen
Alnus incana subspecies rugosa (Du Roi) R. T. Clausen
Alnus rugosa f. emersoniana Fernald
Alnus serrulata (Aiton) Willdenow
Alnus serrulata var. subelliptica Fernald
Alnus viridis (Chaix) de Candolle
Alnus viridis subsp. crispa (Aiton) Turrill
Alnus viridis subspecies crispa (Aiton) Turrill
Betula Linnaeus
Betula alba var. papyrifera (Marshall) Spach
Betula alleghaniensis Britton
Betula caerulea Blanchard
Betula cordifolia Regel
Betula glandulosa Michaux
Betula lenta Linnaeus
Betula minor (Tuckerman) Fernald
Betula nigra Linnaeus
Betula papyrifera Marshall
Betula papyrifera var. pensilis Fernald
Betula papyrifera ×populifolia Marsh.
Betula pendula Roth
Betula populifolia Marshall
Betula populifolia f. incisifolia Fernald
Betula pubescens Ehrhart
Betula pumila Linnaeus
Betula raymundii Lepage
Betula sandbergii Britton
Betula ×caerulea Blanch. (pro sp.)
Carpinus Linnaeus
Carpinus betulus var. virginiana Marshall
Carpinus caroliniana Walter
Carpinus caroliniana subsp. virginiana (Marshall) Furlow
Carpinus caroliniana subspecies virginiana (Marsh.) Furlow
Corylus americana Walter
Corylus cornuta Marshall
Corylus heterophylla Fischer
Ostrya virginiana (Miller) K. Koch
BIGNONIACEAE
Campsis radicans (Linnaeus) Bureau
Catalpa bignonioides Walter
Catalpa ovata G. Don
Catalpa speciosa Teas
BLECHNACEAE
Anchistea virginica (Linnaeus) C. Presl
Woodwardia areolata (Linnaeus) T. Moore
Woodwardia virginica (Linnaeus) Smith
BORAGINACEAE
Amsinckia eastwoodiae J. F. Macbride
Amsinckia lycopsoides Lehmann
Amsinckia menziesii A. Nelson & J. F. Macbride
Amsinckia menziesii var. intermedia (Fischer & C. A. Meyer) Ganders
Anchusa azurea Miller
Anchusa officinalis Linnaeus
Asperugo procumbens Linnaeus
Borago officinalis Linnaeus
Buglossoides arvensis (Linnaeus) I. M. Johnston
Bulgossoides arvensis (Linnaeus) I. M. Johnston
Cryptantha ambigua (A. Gray) Greene
Cryptantha intermedia (A. Gray) Greene
Cynoglossum amabile Stapf & J. R. Drummond
Cynoglossum microglochin Bentham
Cynoglossum officinale Linnaeus
Cynoglossum virginianum Linnaeus
Cynoglossum virginianum var. boreale (Fernald) Cooperrider
Cynoglottis barrelieri (Allioni) Vural & Kit Tan
Echium australe Lamarck
Echium plantagineum Linnaeus
Echium vulgare Linnaeus
Hackelia deflexa var. americana (A. Gray) Fernald & I.M. Johnst.
Hackelia virginiana (Linnaeus) I. M. Johnston
Heliotropium amplexicaule Vahl
Heliotropium curassavicum Linnaeus
Heliotropium europaeum Linnaeus
Heliotropium indicum Linnaeus
Lappula echinata Gilibert
Lappula occidentalis (S. Watson) Greene
Lappula squarrosa (Retzius) Dumortier
Lithospermum arvense Linnaeus
Lithospermum officinale Linnaeus
Lithospermum virgianum Linnaeus
Lithospermum virginianum Linnaeus
Lycopsis arvensis Linnaeus
Mertensia maritima (Linnaeus) Gray
Mertensia virginica (Linnaeus) Persoon ex Link
Myosotis arvensis (Linnaeus) Hill
Myosotis laxa Lehmann
Myosotis scorpioides Linnaeus
Myosotis stricta Link ex Roemer & Schultes
Myosotis sylvatica Hoffmann
Myosotis verna Nuttall
Myosotis verna-1 Nuttall
Onosmodium virginianum (Linnaeus) A. de Candolle
Pentaglottis sempervirens (Linnaeus) Tausch ex L. H. Bailey
Plagiobothrys reticulatus (Greene) I. M. Johnston
Scorpiurus muricatus Linnaeus
Symphytum asperum Lepechin
Symphytum officinale Linnaeus
Symphytum tuberosum Linnaeus
Symphytum ×uplandicum Nyman
BRACHYTHECIACEAE
Bryoandersonia illecebra
BRASSICACEAE
Alliaria petiolata (M. Bieberstein) Cavara & Grande
Alyssum alyssoides Linnaeus
Arabidopsis lyrata (Linnaeus) O'Kane & Al-Shehbaz
Arabidopsis thaliana (Linnaeus) Heynhold
Arabis alpina Linnaeus
Arabis caucasica Willdenow
Arabis drummondi A. Gray
Arabis procurrens Waldst. & Kit.
Arabis pycnocarpa M. Hopkins
Armoracia rusticana G. Gaertner, B. Meyer & Scherbius
Aurinia saxatilis (Linnaeus) Desvaux
Barbarea orthoceras Ledebour
Barbarea stricta Andrzejowski
Barbarea verna (Miller) Ascherson
Barbarea vulgaris W. T. Aiton
Berteroa incana (Linnaeus) de Candolle
Berteroa mutabilis (Ventenat) de Candolle
Boechera canadensis (Linnaeus) Al-Shehbaz
Boechera grahamii (Lehmann) Windham & Al-Shehbaz
Boechera laevigata (Muhl. ex. Wild) Al-Shehbaz
Boechera laevigata (Muhlenberg ex Willdenow) Al-Shehbaz
Boechera missouriensis (Greene) Al-Shehbaz
Boechera stricta (Graham) Al-Shehbaz
Boechera stricta (Graham) Shehbaz
Boechera ×divaricarpa (A. Nelson) Á. Löve & D. Löve
Brassica Linnaeus
Brassica arvensis Linnaeus
Brassica juncea (Linnaeus) Czernajew
Brassica napus Linnaeus
Brassica nigra (Linnaeus) W. D. J. Koch
Brassica oleracea Linnaeus
Brassica rapa Linnaeus
Brassica rapa subsp. chinensis (Linnaeus) Hanelt
Braya humilis (C. A. Meyer) B. L. Robinson
Bunias orientalis Linnaeus
Cakile edentula (Bigelow) Hooker
Camelina microcarpa Andrzejowski ex de Candolle
Camelina sativa (Linnaeus) Crantz
Capsella bursa-pastoris (Linnaeus) Medikus
Cardamine bellidifolia Linnaeus
Cardamine bulbosa (Schreber ex Muhlenberg) Britton, Stearn & Poggenburg
Cardamine concatenata (Michaux) O. Schwarz
Cardamine diphylla (Michaux) Alph. Wood
Cardamine douglassii Britton
Cardamine flexuosa Withering
Cardamine hirsuta Linnaeus
Cardamine impatiens Linnaeus
Cardamine incisa (Eames) Schumann
Cardamine longii Fernald
Cardamine maxima (Nuttall) Alph. Wood
Cardamine parviflora Linnaeus
Cardamine parviflora var. arenicola (Britton) O. E. Schulz
Cardamine pensylvanica Muhlenberg ex Willdenow
Cardamine pratensis Linnaeus
Cardamine pratensis var. palustris Wimm. & Grab.
Chorispora tenella (Pallas) de Candolle
Conringia orientalis (Linnaeus) Dumortier
Dentaria anomala Eames
Dentaria incisa Eames
Dentaria ×anomala Eames
Descurainia incana (Bernhardi ex Fischer & C. A. Meyer) Dorn
Descurainia pinnata var. brachycarpa (Richardson) Fernald
Descurainia sophia (Linnaeus) Webb ex Prantl
Diplotaxis muralis (Linnaeus) de Candolle
Diplotaxis tenuifolia (Linnaeus) de Candolle
Draba arabisans Michaux
Draba cana Rydberg
Draba glabella Pursh
Draba reptans (Lamarck) Fernald
Draba verna Linnaeus
Eruca vesicaria subspecies sativa (Miller) Thellung
Erucastrum gallicum (Willdenow) O. E. Schulz
Erysimum cheiranthoides Linnaeus
Erysimum hieraciifolium Linnaeus
Erysimum inconspicuum (S. Watson) MacMillan
Erysimum marschallianum Andrzejowski ex de Candolle
Erysimum repandum Linnaeus
Hesperis matronalis Linnaeus
Iberis amara Linnaeus
Iberis sempervirens Linnaeus
Iberis umbellata Linnaeus
Lepidium campestre (Linnaeus) W. T. Aiton
Lepidium coronopus (Linnaeus) Al-Shehbaz
Lepidium densiflorum Schrader
Lepidium didymum Linnaeus
Lepidium draba Linnaeus
Lepidium latifolium Linnaeus
Lepidium perfoliatum Linnaeus
Lepidium ruderale Linnaeus
Lepidium sativum Linnaeus
Lepidium virginicum Linnaeus
Lobularia maritima (Linnaeus) Desvaux
Lunaria annua Linnaeus
Malcolmia maritima (Linnaeus) W. T. Aiton
Nasturtium microphyllum (Boenninghausen) Reichenbach
Nasturtium officinale R. Brown
Neslia paniculata (Linnaeus) Desvaux
Raphanus raphanistrum Linnaeus
Raphanus sativus Linnaeus
Rapistrum rugosum (Linnaeus) Allioni
Rorippa amphibia (Linnaeus) Besser
Rorippa aquatica (Eaton) Palmer & Steyerm.
Rorippa austriaca (Crantz) Besser
Rorippa globosa (Turczaninow) Thellung
Rorippa islandica f. reptabunda Fernald
Rorippa islandica var. fernaldiana Butters & Abbe
Rorippa palustris (Linnaeus) Besser
Rorippa palustris f. inundata Victorin
Rorippa palustris subsp. hispida (Desvaux) Jonsell
Rorippa palustris var. hispida (Desvaux) Rydberg
Rorippa palustris var. palustris ×hispida (Desvaux) Rydberg
Rorippa sessiliflora (Nuttall) Hitchcock
Rorippa sylvestris (Linnaeus) Besser
Rorippa ×prostrata (Bergeret) Schinz & Thell. (pro sp.)
Sinapis alba Linnaeus
Sinapis arvensis Linnaeus
Sisymbrium altissimum Linnaeus
Sisymbrium irio Linnaeus
Sisymbrium loeselii Linnaeus
Sisymbrium officinale (Linnaeus) Scopoli
Sisymbrium officinale var. leiocarpum de Candolle
Sisymbrium orientale Linnaeus
Subularia aquatica Linnaeus
Teesdalia nudicaulis (Linnaeus) W. T. Aiton
Thlaspi arvense Linnaeus
Tropidocarpum gracile Hooker
Turritis glabra Linnaeus
BRYACEAE
BUTOMACEAE
Butomus umbellatus Linnaeus
BUXACEAE
Pachysandra terminalis Siebold & Zuccarini
BUXBAUMIACEAE
CABOMBACEAE
Brasenia schreberi J. F. Gmelin
Cabomba caroliniana A. Gray
CACTACEAE
Opuntia humifusa (Rafinesque) Rafinesque
CAESALPINIACEAE
Cassia hebecarpa Fernald
Cercis canadensis Linnaeus
Chamaecrista fasciculata (Michaux) Greene
Chamaecrista nictitans (Linnaeus) Moench
Gleditsia triacanthos Linnaeus
Gymnocladus dioicus (Linnaeus) K. Koch
Senna hebecarpa (Fernald) H. S. Irwin & Barneby
Senna obtusifolia (Linnaeus) Irwin & Barneby
CALYCANTHACEAE
Calycanthus floridus Linnaeus
Calycanthus floridus var. glaucus (Willd.) Torr. & A. Gray
CAMPANULACEAE
Campanula Linnaeus
Campanula aparinoides Pursh
Campanula aparinoides var. uliginosa (Rydberg) Gleason
Campanula divaricata Michaux
Campanula glomerata Linnaeus
Campanula patula Linnaeus
Campanula persicifolia Linnaeus
Campanula rapunculoides Linnaeus
Campanula rapunculoides var. ucranica (Besser) K. Koch
Campanula rotundifolia Linnaeus
Campanula trachelium Linnaeus
Jasione montana Linnaeus
Specularia perfoliata (Linnaeus) A. de Candolle
Triodanis perfoliata (Linnaeus) Nieuwland
CANNABACEAE
Hummulus japonicus
Humulus japonicus Siebold & Zuccarini
Humulus lupulus Linnaeus
Humulus lupulus var. lupuloides E. Small
CAPPARACEAE
Peritoma serrulata (Pursh) de Candolle
Polanisia dodecandra (Linnaeus) de Candolle
Polanisia dodecandra subsp. trachysperma (Torrey & A. Gray) Iltis
Tarenaya hassleriana (Chodat) Iltis
CAPRIFOLIACEAE
Diervilla lonicera Miller
Kolkwitzia amabilis Graebner
Linnaea borealis Linnaeus
Linnaea borealis var. americana (Forbes) Rehder
Lonicera canadensis Bartram ex Marsh.
Lonicera caucasica subspecies orientalis Pallas
Lonicera dioica Linnaeus
Lonicera hirsuta Eaton
Lonicera japonica Thunberg
Lonicera maackii Ruprecht
Lonicera morrowii A. Gray
Lonicera oblongifolia (Goldie) Hooker
Lonicera periclymenum Linnaeus
Lonicera sempervirens Linnaeus
Lonicera tatarica Linnaeus
Lonicera villosa (Michaux) Roemer & Schultes
Lonicera villosa var. fulleri Fernald
Lonicera xylosteum Linnaeus
Lonicera ×bella Zabel
Lonicera ×purpusii Rehder
Sambucus canadensis Linnaeus
Sambucus nigra Linnaeus
Sambucus nigra subsp. canadensis (Linnaeus) Bolli
Sambucus nigra subspecies canadensis (L.) R. Bolli
Sambucus nirgra (L.) R. Bolli
Sambucus racemosa Linnaeus
Sambucus racemosa subsp. pubens (Michaux) Hultén
Symphoricarpos albus (Linnaeus) Blake
Symphoricarpos albus subsp. laevigatus (Fernald) Hultén
Symphoricarpos albus var. laevigatus (Fernald) S. F. Blake
Symphoricarpos occidentalis Hooker
Symphoricarpos orbiculatus Moench
Triosteum angustifolium Linnaeus
Triosteum aurantiacum E. P. Bicknell
Triosteum perfoliatum Linnaeus
Viburnum acerifolium Linnaeus
Viburnum cassinoides Linnaeus
Viburnum dentatum Linnaeus
Viburnum dentatum var. lucidum Aiton
Viburnum dentatum var. venosum (Britton) Gleason
Viburnum dilatatum Thunberg
Viburnum edule (Michaux) Rafinesque
Viburnum lantana Linnaeus
Viburnum lantanoides Michaux
Viburnum lentago Linnaeus
Viburnum nudum Linnaeus
Viburnum nudum var. cassinoides (Linnaeus) Torrey & A. Gray
Viburnum opulus Linnaeus
Viburnum opulus subsp. trilobum (Marshall) R. T. Clausen
Viburnum opulus subspecies trilobum (Marsh.) Clausen
Viburnum plicatum Thunberg
Viburnum prunifolium Linnaeus
Viburnum rafinesqueanum Schultes
Viburnum rafinesquianum Schultes
Viburnum recognitum Fernald
Viburnum setigerum Hance
Viburnum sieboldii Miquel
Viburnum venosum Britton
Viburnum wrightii Miquel
Weigela floribunda (Siebold & Zucc.) K. Koch
CARYOPHYLLACEAE
Agrostemma githago Linnaeus
Arenaria serpyllifolia Linnaeus
Atocion armeria (Linnaeus) Rafinesque
Cerastium arvense Linnaeus
Cerastium fontanum Baumgarten
Cerastium fontanum subsp. vulgare (Hartman) Greuter & Burdet
Cerastium fontanum subspecies vulgare
Cerastium fontanum subspecies vulgare (Hartman) Greuter & Burdet
Cerastium glomeratum Thuillier
Cerastium nutans Rafinesque
Cerastium pumilum Curtis
Cerastium semidecandrum Linnaeus
Cerastium strictum Linnaeus
Cerastium tomentosum Linnaeus
Dianthus armeria Linnaeus
Dianthus barbatus Linnaeus
Dianthus carthusianorum Linnaeus
Dianthus deltoides Linnaeus
Dianthus deltroides Linnaeus
Eudianthe coeli-rosa (Linnaeus) Endlicher
Gypsophila elegans M. Bieberstein
Gypsophila muralis Linnaeus
Gypsophila paniculata Linnaeus
Gypsophila repens Linnaeus
Gypsophila scorzonerifolia Seringe
Herniaria glabra Linnaeus
Herniaria hirsuta var. hirsuta
Holosteum umbellatum Linnaeus
Honckenya peploides subsp. robusta (Fernald) Hultén
Lychnis alba Miller
Lychnis chalcedonica Linnaeus
Lychnis coronaria (Linnaeus) Desrousseaux
Lychnis flos-cuculi Linnaeus
Minuartia caroliniana (Walter) Mattfeld
Minuartia glabra (Michaux) Mattfeld
Minuartia groenlandica (Retzius) Ostenfeld
Minuartia marcescens (Fernald) House
Minuartia michauxii Farwell
Minuartia rubella (Wahlenberg) Hiern
Minuartia stricta (Swartz) Hiern
Moehringia lateriflora (Linnaeus) Fenzl
Moehringia lateriflora subspecies robusta (Linnaeus) Fenzl
Moehringia macrophylla (Hooker) Fenzl
Myosoton aquaticum (Linnaeus) Moench
Paronychia argyrocoma (Michaux) Nuttall
Paronychia argyrocoma var. albimontana Fernald
Paronychia canadensis (Linnaeus) Alph. Wood
Paronychia fastigiata (Rafinesque) Fernald
Petrorhagia prolifera (L.) P.W. Ball & Heywood
Petrorhagia saxifraga (Linnaeus) Link
Sagina decumbens (Elliott) Torrey & A. Gray
Sagina japonica (Swartz) Ohwi
Sagina nodosa (Linnaeus) Fenzl
Sagina nodosa var. borealis (Crow) Cronquist
Sagina procumbens Linnaeus
Saponaria officinalis Linnaeus
Scleranthus annuus Linnaeus
Scleranthus perennis Linnaeus
Silene [bad data, blank import]
Silene acaulis (Linnaeus) Jacquin
Silene antirrhina Linnaeus
Silene caroliniana Walter
Silene caroliniana subsp. pensylvanica (Michaux) R. T. Clausen
Silene caroliniana var. pensylvanica (Michaux) Fernald
Silene conica Linnaeus
Silene csereii Baumgarten
Silene dichotoma Ehrhart
Silene dioica (Linnaeus) Clairville
Silene gallica Linnaeus
Silene latifolia Poiret
Silene latifolia subsp. alba (Miller) Greuter & Burdet
Silene latifolia subspecies alba (Miller) Greuter & Burdet
Silene nivea (Nuttall) Muhlenberg ex Otth
Silene noctiflora Linnaeus
Silene stellata (Linnaeus) W. T. Aiton
Silene viscaria (Linnaeus) Jessen
Silene vulgaris (Moench) Garcke
Spergula arvensis Linnaeus
Spergula morisonii Boreau
Spergularia canadensis (Persoon) G. Don
Spergularia echinosperma Celakovsky
Spergularia marina (Linnaeus) Grisebach
Spergularia rubra (Linnaeus) J. Presl & C. Presl
Stellaria alsine Grimm
Stellaria borealis Bigelow
Stellaria borealis var. isophylla Fernald
Stellaria borealis ×longifolia Muhlenberg ex Willdenow
Stellaria corei Shinners
Stellaria graminea Linnaeus
Stellaria holostea Linnaeus
Stellaria humifusa Rottbøll
Stellaria longifolia Muhlenberg ex Willdenow
Stellaria media (Linnaeus) Villars
Stellaria pubera Michaux
Vaccaria hispanica (Miller) Rauschert
CELASTRACEAE
Celastrus orbiculatus Thunberg
Celastrus scandens Linnaeus
Euonymus alatus (Thunberg) Siebold
Euonymus alatus Elmer
Euonymus atropurpureus Jacquin
Euonymus europaeus Linnaeus
Euonymus fortunei (Turczaninow) Handel-Mazzetti
Euonymus fortunei var. radicans (Siebold ex Miquel) Rehder
Euonymus maackii Ruprecht
Euonymus sachalinensis (F. Schmidt) Maximowicz
CERATOPHYLLACEAE
Ceratophyllum demersum Linnaeus
Ceratophyllum echinatum A. Gray
CERCIDIPHYLLACEAE
Cercidiphyllum japonicum Siebold & Zuccarini
CHARACEAE
CHENOPODIACEAE
Atriplex acadiensis Taschereau
Atriplex arenaria Nuttall
Atriplex cristata Humboldt & Bonpland ex Willdenow
Atriplex dioica (Nuttall) J. F. Macbride
Atriplex dioica Rafinesque
Atriplex glabriuscula Edmondston
Atriplex hortensis Linnaeus
Atriplex littoralis Linnaeus
Atriplex mucronata Rafinesque
Atriplex patula Linnaeus
Atriplex prostrata Boucher ex de Candolle
Atriplex rosea Linnaeus
Axyris amaranthoides Linnaeus
Bassia hirsuta (L.) Archers
Bassia hyssopifolia (Pallas) Kuntze
Beta vulgaris Linnaeus
Blitum nuttallianum Schultes
Chenopodium album Linnaeus
Chenopodium ambrosioides Linnaeus
Chenopodium berlandieri Moquin-Tandon
Chenopodium berlandieri var. bushianum (Aellen) Cronquist
Chenopodium berlandieri var. zschackii (Murr) Murr ex Ascherson
Chenopodium bonus-henricus Linnaeus
Chenopodium botrys Linnaeus
Chenopodium capitatum (Linnaeus) Ascherson
Chenopodium foggii Wahl
Chenopodium foliosum (Moench) Ascherson
Chenopodium glaucum Linnaeus
Chenopodium leptophyllum Nuttall
Chenopodium macrocalycium Aellen
Chenopodium murale Linnaeus
Chenopodium pratericola Rydberg
Chenopodium rubrum Linnaeus
Chenopodium simplex (Torrey) Rafinesque
Chenopodium standleyanum Aellen
Chenopodium strictum Roth
Chenopodium strictum var. glaucophyllum (Aellen) Wahl
Chenopodium urbicum Linnaeus
Cycloloma atriplicifolium (Sprengel) J. M. Coulter
Kochia scoparia (Linnaeus) Schrader
Lipandra polysperma (Linnaeus) S. Fuentes, Uotila & Borsch
Oxybasis glauca (Linnaeus) S. Fuentes, Uotila & Borsch
Salicornia ambigua Michaux
Salicornia bigelovii Torrey
Salicornia depressa Standley
Salicornia europaea Linnaeus
Salicornia maritima Wolff & Jefferies
Salicornia mucronata Bigelow
Salsola collina Pallas
Salsola kali Linnaeus
Salsola kali subspecies pontica (Pallas) Mosyakin
Salsola tragus Linnaeus
Sarcocornia perennis subspecies pontica (Miller) A. J. Scott
Spinacia oleracea Linnaeus
Spirobassia hirsuta (L.) Freitag & G. Kadereit
Suaeda calceoliformis (Hooker) Moquin-Tandon
Suaeda linearis (Elliott) Moquin-Tandon
Suaeda maritima (Linnaeus) Dumortier
Suaeda maritima subspecies richii (Fernald) Bassett & C.W. Crompton
CISTACEAE
Crocanthemum bicknellii (Fernald) Janchen
Crocanthemum canadense (Linnaeus) Britton
Crocanthemum dumosum E. P. Bicknell
Crocanthemum propinquum (E. P. Bicknell) E. P. Bicknell
Helianthemum bicknellii Fernald
Helianthemum canadense (Linnaeus) Michaux
Hudsonia ericoides Linnaeus
Hudsonia tomentosa Nuttall
Lechea intermedia Leggett ex Britton
Lechea intermedia var. juniperina (E. P. Bicknell) B. L. Robinson
Lechea intermedia ×maritima Leggett ex Britton
Lechea leggettii Britton & Hollick
Lechea maritima Leggett ex Britton
Lechea maritima var. interior B. L. Robinson
Lechea maritima ×macronata Rafinesque
Lechea maritima ×minor Linnaeus
Lechea minor Linnaeus
Lechea mucronata Rafinesque
Lechea pulchella Rafinesque
Lechea pulchella var. moniliformis (E. P. Bicknell) Seymour
Lechea tenuifolia Michaux
Lechea villosa Elliott
CLADONIACEAE
CLEOMACEAE
Cleome hassleriana Chod.
CLETHRACEAE
Clethra alnifolia Linnaeus
CLIMACIACEAE
COMANDRACEAE
COMMELINACEAE
Commelina communis Linnaeus
Commelina communis var. ludens (Miquel) C. B. Clarke
Lechea mucronata (do not use) Rafinesque
Tradescantia ohiensis Raf. × virginiana L.
Tradescantia ohiensis Rafinesque
Tradescantia virginiana Linnaeus
Tradescantia ×andersoniana W. Ludwig & Rohweder
CONOCEPHALACEAE
CONVOLVULACEAE
Calystegia pellita forma anestius (Ledebour) G. Don
Calystegia pubescens Lindley
Calystegia sepium (Linnaeus) R. Brown
Calystegia sepium subsp. americana (Sims) Brummitt
Calystegia sepium subsp. angulata Brummitt
Calystegia sepium subspecies angulata Brummitt
Calystegia sepium subspecies appalachiana Brummitt
Calystegia sepium subspecies sepium (Sims) Matsuda
Calystegia sepium var. americana (Sims) Matsuda
Calystegia silvatica subspecies fraterniflora (Mack. & Bush) Brummitt
Calystegia spithamaea (Linnaeus) Pursh
Convolvulus arvensis Linnaeus
Cuscuta approximata Babington
Cuscuta campestris Yuncker
Cuscuta cephalanthi Engelmann
Cuscuta compacta Jussieu ex Choisy
Cuscuta coryli Engelmann
Cuscuta epithymum (Linnaeus) Linnaeus
Cuscuta europaea Linnaeus
Cuscuta gronovii Willdenow ex Roemer & Schultes
Cuscuta gronovii var. latiflora Engelmann
Cuscuta indecora Choisy
Cuscuta pentagona Engelmann
Cuscuta polygonorum Engelmann
Ipomoea Linnaeus
Ipomoea coccinea Linnaeus
Ipomoea hederacea Jacquin
Ipomoea hederifolia Linnaeus
Ipomoea hirsutula Jacq. f.
Ipomoea lacunosa Linnaeus
Ipomoea pandurata Conzatti & L. C. Smith
Ipomoea purpurea (Linnaeus) Roth
Ipomoea quamoclit Linnaeus
CORNACEAE
Benthamidia florida (Linnaeus) Spach
Cornus Linnaeus
Cornus alternifolia Linnaeus f.
Cornus amomum Miller
Cornus amomum ×racemosa Lamarck
Cornus canadensis Linnaeus
Cornus canadensis f. decipiens Fassett
Cornus florida Linnaeus
Cornus kousa Hance
Cornus obliqua Rafinesque
Cornus racemosa Lamarck
Cornus rugosa Lamarck
Cornus sericea Linnaeus
Cornus stolonifera Michaux
Swida alternifolia (Linnaeus f.) Small
Swida amomum (Miller) Small
Swida racemosa (Lamarck) Moldenke
Swida rugosa (Lamarck) Rydberg
Swida sericea (Linnaeus) Holub
CRASSULACEAE
Crassula aquatica (Linnaeus) Schönland
Hylotelephium telephium (Linnaeus) H. Ohba
Sedum acre Linnaeus
Sedum aizoon Linnaeus
Sedum alboroseum Baker
Sedum album Linnaeus
Sedum hispanicum Linnaeus
Sedum kamtschaticum Fischer
Sedum ochroleucum Chaix
Sedum purpureum (Linnaeus) Schultes
Sedum rosea (Linnaeus) Scopoli
Sedum rupestre Linnaeus
Sedum sarmentosum Bunge
Sedum sexangulare Linnaeus
Sedum spurium M. Bieberstein
Sedum telephium Linnaeus
Sedum ternatum Michaux
Sempervivum tectorum Linnaeus
CUCURBITACEAE
Citrullus lanatus (Thunberg) Matsumura & Nakai
Citrullus vulgaris Schrader
Cucumis melo Linnaeus
Cucumis sativus Linnaeus
Cucurbita Linnaeus
Cucurbita maxima Duchesne
Cucurbita pepo Linnaeus
Cucurbita pepo subsp. ovifera (Linnaeus) D. S. Decker
Curcurbita pepo Linnaeus
Echinocystis lobata (Michaux) Torrey & A. Gray
Luffa aegyptiaca Miller
Sicyos angulatus Linnaeus
Thladiantha dubia Bunge
CUPRESSACEAE
Chamaecyparis thyoides (Linnaeus) Britton, Stearn & Poggenburg
Juniperus chinensis Linnaeus
Juniperus communis Linnaeus
Juniperus communis var. depressa Pursh
Juniperus communis var. montana Aiton
Juniperus conferta Parlatore
Juniperus horizontalis Moench
Juniperus virginiana Linnaeus
Thuja occidentalis Linnaeus
CYPERACEAE
Bolboschoenus fluviatilis (Torrey) Soják
Bolboschoenus maritimus (Linnaeus) Palla
Bolboschoenus maritimus subsp. paludosus (A. Nelson) T. Koyama
Bolboschoenus robustus (Pursh) Soják
Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke
Bulbostylis capillaris var. crebra Fernald
Carex Chephalophora
Carex Chephalophora Muhlenberg ex Willdenow
Carex Linnaeus
Carex abscondita Mackenzie
Carex acutiformis Ehrhart
Carex adusta Boott
Carex aestivalis M. A. Curtis ex A. Gray
Carex alata Torrey
Carex albicans Willdenow ex Sprengel
Carex albicans var. emmonsii (Dewey ex Torrey) Rettig
Carex albolutescens Schweinitz
Carex albursina E. Sheldon
Carex alopecoidea Tuckerman
Carex amphibola Steudel
Carex anceps Muhlenberg ex Willdenow
Carex annectens (E. P. Bicknell) E. P. Bicknell
Carex appalachica J. M. Webber & P. W. Ball
Carex aquatilis Wahlenberg
Carex arcta Boott
Carex arctata Boott
Carex arctogena H. Smith
Carex argyrantha Tuckerman ex Dewey
Carex atherodes Sprengel
Carex atlantica L. H. Bailey
Carex atlantica subsp. capillacea (L. H. Bailey) Reznicek
Carex atlantica subspecies capillacea (L. H. Bailey) Reznicek
Carex atratiformis Britton
Carex aurea Nuttall
Carex backii Boott
Carex baileyi Britton
Carex barrattii Schweinitz & Torrey
Carex bebbii (L. H. Bailey) Olney ex Fernald
Carex bebbii × scoparia
Carex bicknellii Britton
Carex bigelowii Torrey ex Schweinitz
Carex billingsii (O. W. Knight) Kirschbaum
Carex blanda Dewey
Carex brevior (Dewey) Mackenzie ex Lunell
Carex bromoides Willdenow
Carex brunnescens (Persoon) Poiret
Carex brunnescens var. sphaerostachya (Tuckerman) Kükenthal
Carex bullata Schkuhr ex Willdenow
Carex bushii Mackenzie
Carex buxbaumii Wahlenberg
Carex canescens Linnaeus
Carex canescens subsp. disjuncta (Fernald) Toivonen
Carex canescens subspecies disjuncta
Carex canescens subspecies disjuncta (Fernald) Toivonen
Carex capillaris Linnaeus
Carex caryophyllea Latourrette
Carex castanea Wahlenberg
Carex cephaloidea (Dewey) Dewey
Carex cephalophora Muhlenberg
Carex chordorrhiza Ehrhart ex Linnaeus f.
Carex collinsii Nuttall
Carex communis L. H. Bailey
Carex comosa Boott
Carex concinna R. Brown
Carex conoidea Schkuhr ex Willdenow
Carex crawei Dewey ex Torrey
Carex crawfordii Fernald
Carex crinita Lamarck
Carex crinita var. brevicrinis Fernald
Carex crinita var. gynandra (Schweinitz) Schweinitz & Torrey
Carex crinita var. porteri (Olney) Fernald
Carex crinita var. simulans Fernald
Carex cristatella Britton
Carex cryptolepis Mackenzie
Carex cumulata (L. H. Bailey) Mackenzie
Carex davisii Dewey
Carex debilis Michaux
Carex debilis var. rudgei L. H. Bailey
Carex deflexa Hornemann
Carex deweyana Schweinitz
Carex diandra Schrank
Carex digitalis Willdenow
Carex disperma Dewey
Carex disticha Hudson
Carex eburnea Boott
Carex echinata Murray
Carex elachycarpa Fernald
Carex emoryi Dewey
Carex exilis Dewey
Carex festucacea Schkuhr ex Willdenow
Carex flava Linnaeus
Carex foenea Willdenow
Carex folliculata Linnaeus
Carex formosa Dewey
Carex garberi Fernald
Carex glaucodea Tuckerman ex Olney
Carex gracilescens Steudel
Carex gracillima Schweinitz
Carex granularis Muhlenberg ex Willdenow
Carex granularis var. haleana (Olney) Porter
Carex grayi Carey
Carex grisea Wahlenberg
Carex gynandra Schweinitz
Carex gynocrates Wormskjold ex Drejer
Carex haydenii Dewey
Carex hirsutella Mackenzie
Carex hirta Linnaeus
Carex hirtifolia Mackenzie
Carex hitchcockiana Dewey
Carex hormathodes Fernald
Carex houghtoniana Torrey ex Dewey
Carex hystericina Muhlenberg ex Willdenow
Carex incomperta E. P. Bicknell
Carex inops subsp. heliophila (Mackenzie) Crins
Carex interior L. H. Bailey
Carex interior var. capillacea L. H. Bailey
Carex intumescens Rudge
Carex intumescens var. fernaldii L. H. Bailey
Carex katahdinensis Fernald
Carex kobomugi Ohwi
Carex lacustris Willdenow
Carex laevivaginata (Kükenthal) Mackenzie
Carex lasiocarpa Ehrhart
Carex lasiocarpa subsp. americana (Fernald) D. Löve & J.-P. Bernard
Carex lasiocarpa var. americana Fernald
Carex laxiculmis Schweinitz
Carex laxiflora Lamarck
Carex laxiflora var. leptonervia Fernald
Carex lenticularis Michaux
Carex lepidocarpa var. laxior Kükenthal
Carex leporina Linnaeus
Carex leptalea Wahlenberg
Carex leptonervia (Fernald) Fernald
Carex limosa Linnaeus
Carex livida (Wahlenberg) Willdenow
Carex longii Mackenzie
Carex lucorum Willdenow
Carex lupuliformis Sartwell ex Dewey
Carex lupulina Muhlenberg ex Willdenow
Carex lurida Wahlenberg
Carex mackenziei V. I. Kreczetowicz
Carex magellanica Lamarck
Carex magellanica subsp. irrigua (Wahlenberg) Britton, Stearn & Poggenburg
Carex magellanica subspecies irrigua (Wahlenb.) Hult én (Wahlenberg) Hultén
Carex magellanica subspecies irrigua (Wahlenberg) Hultén
Carex media R. Brown
Carex merritt-fernaldii Mackenzie
Carex mesochorea Mackenzie
Carex michauxiana Boeckeler
Carex mirabilis var. tincta Fernald
Carex mitchelliana M. A. Curtis
Carex molesta Mackenzie ex Bright
Carex muehlenbergii Schkuhr ex Willdenow
Carex muehlenbergii var. enervis Boott
Carex muhlenbergii Kunth ex Boott
Carex nigra (Linnaeus) Reichard
Carex normalis Mackenzie
Carex novae-angliae Schweinitz
Carex oklahomensis Mackenzie
Carex oligocarpa Schkuhr ex Willdenow
Carex oligosperma Michaux
Carex ormostachya Wiegand
Carex oronensis Fernald
Carex ovalis Goodenough
Carex paleacea Schreber ex Wahlenberg
Carex pallescens Linnaeus
Carex panicea Linnaeus
Carex pauciflora Balbis ex Boott
Carex pauciflora Lightfoot
Carex paupercula Michaux
Carex peckii Howe ex Peck
Carex pedunculata Muhlenberg ex Willdenow
Carex pellita Muhlenberg ex Willdenow
Carex pensylvanica Lamarck
Carex plantaginea Lamarck
Carex platyphylla J. Carey
Carex polymorpha Muhlenberg
Carex praegracilis W. Boott
Carex prairea Dewey
Carex prasina Wahlenberg
Carex praticola Rydberg
Carex projecta Mackenzie
Carex pseudocyperus Linnaeus
Carex radiata (Wahlenberg) Small
Carex retroflexa Muhlenberg ex Willdenow
Carex retrorsa Schweinitz
Carex richardsonii R. Brown
Carex rosea Schkuhr ex Willdenow
Carex rostrata Stokes
Carex rugosperma Mackenzie
Carex saxatilis Linnaeus
Carex scabrata Schweinitz
Carex schweinitzii Dewey ex Schweinitz
Carex scirpoidea Michaux
Carex scoparia Schkuhr ex Willdenow
Carex scoparia var. tessellata Fernald & Wiegand
Carex seorsa Howe
Carex siccata Dewey
Carex silicea Olney
Carex sparganioides Muhlenberg ex Willdenow
Carex spicata Hudson
Carex sprengelii Dewey ex Sprengel
Carex squarrosa Linnaeus
Carex sterilis Schkuhr ex Willdenow
Carex stipata Muhlenberg ex Willdenow
Carex straminea Willdenow ex Schkuhr
Carex striata Michaux
Carex striatula Michaux
Carex stricta Lamarck
Carex strigosus Linnaeus
Carex styloflexa Buckley
Carex swanii (Fernald) Mackenzie
Carex swannii (Fernald) Mackenzie
Carex sychnocephala J. Carey
Carex tenera Dewey
Carex tenuiflora Wahlenberg
Carex tetanica Schkuhr
Carex tincta (Fernald) Fernald
Carex tonsa (Fernald) E. P. Bicknell
Carex tonsa var. rugosperma (Mackenzie) Crins
Carex torta Boott ex Tuckerman
Carex tribuloides Herbert
Carex tribuloides Wahlenberg
Carex trichocarpa Muhlenberg ex Willdenow
Carex trisperma Dewey
Carex tuckermanii Dewey
Carex typhina Michaux
Carex umbellata Schkuhr ex Willdenow
Carex umbellata var. tonsa Fernald
Carex utriculata Boott
Carex vacillans Steudel
Carex vaginata Tausch
Carex vesicaria Linnaeus
Carex vestita Willdenow
Carex vestita var. kennedyi Fernald
Carex virescens Muhlenberg ex Willdenow
Carex viridula Michaux
Carex viridula subspecies oedocarpa (Andersson) B. Schmid
Carex vulpinoidea Michaux
Carex waponahkikensis M. Lovit & A. Haines
Carex wiegandii Mackenzie
Carex willdenowii Schkuhr ex Willdenow
Carex ×aestivaliformis Mackenzie
Carex ×hartii Dewey
Carex ×knieskernii Dewey
Carex ×olneyi Boott
Carex ×pseudohelvola Kihlm. (pro sp.)
Carex ×stenolepis Lessing
Carex ×sullivantii Boott
Carex ×trichina Fernald
Ceratoschoenus macrostachys var. inundatus Oakes
Cladium mariscoides (Muhlenberg) Torrey
Cyperus acuminatus Torrey & Hooker
Cyperus bipartitus Torrey
Cyperus dentatus Torrey
Cyperus diandrus Torrey
Cyperus echinatus (Linnaeus) Wood
Cyperus engelmannii Steudel
Cyperus erythrorhizos Muhlenberg
Cyperus esculentus Linnaeus
Cyperus esculentus var. leptostachyus Boeckeler
Cyperus filicinus Vahl
Cyperus filiculmis Vahl
Cyperus filiculmis var. macilentus Fernald
Cyperus fuscus Linnaeus
Cyperus grayi Torrey
Cyperus houghtonii Torrey
Cyperus iria Linnaeus
Cyperus lupulinus (Sprengel) Marcks
Cyperus lupulinus subsp. macilentus (Fernald) Marcks
Cyperus lupulinus var. macilentus (Fernald) A. Haines
Cyperus microiria Steudel
Cyperus odoratus Linnaeus
Cyperus polystachyos Rottbøll
Cyperus pseudovegetus Steudel
Cyperus retrorsus Chapman
Cyperus rotundus Linnaeus
Cyperus schweinitzii Torrey
Cyperus squarrosus Linnaeus
Cyperus strigosus Linnaeus
Cyperus strigosus var. capitatus Boeckeler
Cyperus ×weatherbianus Fernald
Dulichium arundinaceum (Linnaeus) Britton
Eleocharis R. Brown
Eleocharis acicularis (Linnaeus) Roemer & Schultes
Eleocharis aestuum A. Haines
Eleocharis ambigens Fernald
Eleocharis diandra C. Wright
Eleocharis elliptica Kunth
Eleocharis engelmannii Steudel
Eleocharis engelmannii var. detonsa A. Gray
Eleocharis equisetoides (Elliott) Torrey
Eleocharis erythropoda Steudel
Eleocharis fallax Weatherby
Eleocharis flavescens var. olivacea (Torrey) Gleason
Eleocharis intermedia (Muhlenberg) Schultes
Eleocharis melanocarpa Torrey
Eleocharis microcarpa Torrey
Eleocharis nitida Fernald
Eleocharis obtusa (Willdenow) Schultes
Eleocharis obtusa var. jejuna Fernald
Eleocharis ovata (Roth) Roemer & Schultes
Eleocharis palustris (Linnaeus) Roemer & Schultes
Eleocharis palustris var. major Sonder
Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer
Eleocharis quadrangulata (Michaux) Roemer & Schultes
Eleocharis quadrangulata var. crassior Fernald
Eleocharis quinqueflora (Hartmann) O. Schwarz
Eleocharis robbinsii Oakes
Eleocharis rostellata (Torrey) Torrey
Eleocharis smallii Britton
Eleocharis tenuis (Willdenow) Schultes
Eleocharis tenuis var. pseudoptera (Weatherby ex Svenson) Svenson
Eleocharis tricostata Torrey
Eleocharis tuberculosa (Michaux) Roemer & Schultes
Eleocharis tuberculosa f. retrorsa Svenson
Eleocharis uniglumis (Link) Schultes
Eleocharis verrucosa (Svenson) L. J. Harms
Eriophorum alpinum Linnaeus
Eriophorum angustifolium Honckeny
Eriophorum gracile W. D. J. Koch ex Roth
Eriophorum spissum Fernald
Eriophorum tenellum Nuttall
Eriophorum vaginatum Linnaeus
Eriophorum vaginatum subsp. spissum (Fernald) Hultén
Eriophorum virginicum Linnaeus
Eriophorum viridi-carinatum (Engelmann) Fernald
Eriophorum viridicarinatum (Engelmann) Fernald
Fimbristylis autumnalis (Linnaeus) Roemer & Schultes
Fimbristylis autumnalis var. mucronulata (Michaux) Fernald
Fimbristylis puberula (Michaux) Vahl
Froelichia gracilis (Hooker) Moquin-Tandon
Fuirena pumila (Torrey) Sprengel
Lipocarpha micrantha (Vahl) G. C. Tucker
Rhynchospora alba (Linnaeus) Vahl
Rhynchospora capillacea Torrey
Rhynchospora capitellata (Michaux) Vahl
Rhynchospora fusca (Linnaeus) W. T. Aiton
Rhynchospora inundata (Oakes) Fernald
Rhynchospora macrostachya Torrey ex A. Gray
Rhynchospora nitens (Vahl) A. Gray
Rhynchospora scirpoides (Torrey) Grisebach
Rhynchospora torreyana A. Gray
Schoenoplectiella purshiana (Fernald) Lye
Schoenoplectiella smithii (A. Gray) Hayasaka
Schoenoplectus acutus (Muhlenberg ex Bigelow) A. Löve & D. Löve
Schoenoplectus americanus (Persoon) Volk ex Schinz & R. Keller
Schoenoplectus pungens (Vahl) Palla
Schoenoplectus purshianus (Fernald) M. T. Strong
Schoenoplectus smithii (A. Gray) Soják
Schoenoplectus subterminalis (Torrey) Soják
Schoenoplectus tabernaemontani (C. C. Gmelin) Palla
Schoenoplectus torreyi (Olney) Palla
Scirpus Linnaeus
Scirpus acutus (Muhl. ex Bigelow) Á. Löve & D. L öve (Muhlenberg ex Bigelow) Á. Löve & D. Löve
Scirpus acutus Muhlenberg ex Bigelow
Scirpus americanus Persoon
Scirpus ancistrochaetus Schuyler
Scirpus atrocinctus Fernald
Scirpus atrovirens Muhlenberg
Scirpus atrovirens f. cephalanthus Fernald
Scirpus caespitosus Linnaeus
Scirpus caespitosus var. delicatulus Fernald
Scirpus clintonii A. Gray
Scirpus cyperinus (Linnaeus) Kunth
Scirpus debilis var. williamsii Fernald
Scirpus expansus Fernald
Scirpus fluviatilis (Torrey) A. Gray
Scirpus georgianus R. M. Harper
Scirpus hallii A. Gray
Scirpus hattorianus Makino
Scirpus heterochaetus Chase
Scirpus longii Fernald
Scirpus maritimus Linnaeus
Scirpus maritimus var. paludosus (A. Nelson) K ük. (A. Nelson) Kükenthal
Scirpus microcarpus J. Presl & C. Presl
Scirpus novae-angliae Britton
Scirpus pedicellatus Fernald
Scirpus pendulus Muhlenberg
Scirpus polyphyllus Vahl
Scirpus pungens Vahl
Scirpus purshianus Fernald
Scirpus robustus Pursh
Scirpus smithii A. Gray
Scirpus subterminalis Torrey
Scirpus tabernaemontani C. C. Gmelin
Scirpus torreyi Olney
Scirpus verecundus Fernald
Scirpus ×peckii Britton (pro sp.)
Scirpus ×steinmetzii Fernald
Scleria pauciflora Muhlenberg ex Willdenow
Scleria pauciflora var. caroliniana (Willdenow) Alph. Wood
Scleria reticularis Michaux
Scleria triglomerata Michaux
Scleria verticillata Muhlenberg ex Willdenow
Trichophorum planifolium (Sprengel) Palla
DENNSTAEDTIACEAE
Dennstaedtia punctilobula (Michaux) T. Moore
Dennstaedtia punctilobula f. cristata (Maxon) Dole
Dennstaedtia punctilobula f. schizophylla (Clute) Rugg
Pteridium aquilinum (Linnaeus) Kuhn
Pteridium aquilinum subsp. latiusculum (Desvaux) Hultén
Pteridium aquilinum subspecies latiusculum (Desv.) Hult én (Desvaux) Hultén
Pteridium aquilinum subspecies latiusculum (Desvaux) Hultén
Pteridium aquilinum subspecies pseudocaudatum (Clute) Hultén
Pteridium aquilinum var. latiusculum (Desvaux) Underwood ex A. Heller
DIAPENSIACEAE
Diapensia lapponica Linnaeus
Galax urceolata (Poiret) Brummitt
DICRANACEAE
DIOSCOREACEAE
Dioscorea polystachya Turczaninow
Dioscorea villosa Linnaeus
DIPSACACEAE
Dipsacus laciniatus Linnaeus
Dipsacus sylvestris Hudson
Scabiosa columbaria Linnaeus
Scabiosa ochroleuca Linnaeus
Succisella inflexa (Kluk) G. Beck
DITRICHACEAE
Cynodon aristiglumis Caro & S ánchez Caro & Sánchez
Ditrichum lineare
DROSERACEAE
Drosera filiformis Rafinesque
Drosera intermedia Hayne
Drosera linearis Goldie
Drosera rotundifolia Linnaeus
Drosera ×anglica Hudson
DRYOPTERIDACEAE
Dryopteris Adanson
Dryopteris campyloptera (Kunze) Clarkson
Dryopteris carthusiana (Villars) H. P. Fuchs
Dryopteris clintoniana (D. C. Eaton) Dowell
Dryopteris cristata (Linnaeus) A. Gray
Dryopteris cristata var. clintoniana (D. C. Eaton) Underwood
Dryopteris filix-mas (Linnaeus) Schott
Dryopteris fragrans var. remotiuscula (Komarov) Komarov
Dryopteris goldiana (Hooker) A. Gray
Dryopteris intermedia (Muhlenberg ex Willdenow) A. Gray
Dryopteris marginalis (Linnaeus) A. Gray
Dryopteris ×benedictii Wherry
Dryopteris ×boottii (Tuckerman) Underwood
Dryopteris ×burgessii B. Boivin
Dryopteris ×dowellii Wherry
Dryopteris ×neowherryi W. H. Wagner
Dryopteris ×pittsfordensis Slosson
Dryopteris ×slossoniae Wherry ex Lellinger
Dryopteris ×triploidea Wherry
Dryopteris ×uliginosa (A. Braun ex Döll) Kuntze ex Druce
Nephrodium marginale f. davenportii Floyd
Nephrodium spinulosum var. concordianum Davenport
DYSPHANIACEAE
Dysphania ambrosioides (Linnaeus) Mosyakin & Clemants
Dysphania anthelminticum (Linnaeus) Mosyakin & Clemants
Dysphania botrys (Linnaeus) Mosyakin & Clemants
Dysphania graveolens (Willdenow) Mosyakin & Clemants
Dysphania multifida (Linnaeus) Mosyakin & Clemants
Dysphania pumilio (R. Brown) Mosyakin & Clemants
EBENACEAE
Diospyros virginiana Linnaeus
ELAEAGNACEAE
Elaeagnus angustifolia Linnaeus
Elaeagnus umbellata Thunberg
Elaeagnus umbellata var. parvifolia (Wallich ex Royle) C. K. Schneider
Shepherdia canadensis Nuttall
ELATINACEAE
Elatine americana (Pursh) Arnott
Elatine minima (Nuttall) Fischer ex C. A. Meyer
Elatine triandra Schkuhr
Elatine triandra var. americana (Pursh) Fassett
EQUISETACEAE
Equisetum Linnaeus
Equisetum arvense Linnaeus
Equisetum fluviatile Linnaeus
Equisetum hyemale Linnaeus
Equisetum hyemale var. affine (Engelmann) A. A. Eaton
Equisetum palustre Linnaeus
Equisetum pratense Ehrhart
Equisetum scirpoides Michaux
Equisetum sylvaticum Linnaeus
Equisetum variegatum Schleicher ex F. Weber & D. Mohr
Equisetum variegatum var. jesupi A. A. Eaton
Equisetum ×ferrissii Clute
Equisetum ×litorale Kühlewein ex Rupr. (pro sp.)
Equisetum ×mackaii (Newm.) Brichan
ERICACEAE
Andromeda polifolia Linnaeus
Andromeda polifolia var. glaucophylla (Link) de Candolle
Andromeda polifolia var. latifolia Aiton
Arctostaphylos uva-ursi (Linnaeus) Sprengel
Arctostaphylos uva-ursi f. heterochroma Fernald
Arctous alpina (Linnaeus) Niedenzu
Calluna vulgaris (Linnaeus) Hill
Cassandra calyculata (Linnaeus) D. Don
Chamaedaphne calyculata (Linnaeus) Moench
Chimaphila maculata (Linnaeus) Pursh
Chimaphila umbellata (Linnaeus) W. P. C. Barton
Chimaphila umbellata subsp. cisatlantica (S. F. Blake) Hultén
Chimaphila umbellata var. cisatlantica (S.F. Blake) Hult én (S. F. Blake) Hultén
Chimaphila umbellata var. cisatlantica S. F. Blake
Corema conradii (Torrey) Torrey ex Loudon
Empetrum atropurpureum Fernald & Wiegand
Empetrum eamesii subspecies atropurpureum ((Fernald & Wiegand) D. L öve (Fernald & Wiegand) D. Löve
Empetrum eamesii subspecies atropurpureum (Fernald & Wiegand) D. L öve (Fernald & Wiegand) D. Löve
Empetrum nigrum Linnaeus
Epigaea repens Linnaeus
Erica cinerea Linnaeus
Erica tetralix Linnaeus
Erica vagans Linnaeus
Eubotrys racemosa (Linnaeus) Nuttall
Gaultheria hispidula (Linnaeus) Muhlenberg
Gaultheria procumbens Linnaeus
Gaultheria procumbens f. elongata Svenson
Gaylussacia baccata (Wangenheim) K. Koch
Gaylussacia bigeloviana (Fernald) Sorrie & Weakley
Gaylussacia dumosa var. bigeloviana Fernald
Gaylussacia frondosa (Linnaeus) Torrey & A. Gray
Gaylussacia resinosa var. glaucocarpa B. L. Robinson
Harrimanella hypnoides (Linnaeus) Coville
Hypopitys lanuginosa (Michaux) Nuttall
Hypopitys monotropa Crantz
Kalmia angustifolia Linnaeus
Kalmia latifolia Linnaeus
Kalmia polifolia Wangenheim
Leucothoë fontanesiana (Steudel) Sleumer
Loiseleuria procumbens (Linnaeus) Desvaux
Lyonia ligustrina (Linnaeus) de Candolle
Moneses uniflora (Linnaeus) A. Gray
Monotropa hypopithys Linnaeus
Monotropa hypopitys Linnaeus
Monotropa uniflora Linnaeus
Orthilia secunda (Linnaeus) House
Oxydendrum arboreum (Linnaeus) de Candolle
Phyllodoce caerulea (Linnaeus) Babington
Phyllodoce coerulea (Linnaeus) Babington
Pieris floribunda (Pursh) Bentham & Hooker f.
Pieris japonica (Thunberg) D. Don ex G. Don
Pterospora andromedea Nuttall
Pyrola americana Sweet
Pyrola asarifolia Michaux
Pyrola chlorantha Swartz
Pyrola elliptica Nuttall
Pyrola minor Linnaeus
Pyrola virens Schweigger
Rhododendron canadense (Linnaeus) Torrey
Rhododendron catawbiense Michaux
Rhododendron columbianum (Piper) Harmaja
Rhododendron groenlandicum (Oeder) Kron & Judd
Rhododendron lapponicum (Linnaeus) Wahlenberg
Rhododendron maximum Linnaeus
Rhododendron nudiflorum (Linnaeus) Torrey
Rhododendron periclymenoides (Michaux) Shinners
Rhododendron prinophyllum (Small) Millais
Rhododendron rhodora f. albiflora E. L. Rand & Redfield
Rhododendron tomentosum Harmaja
Rhododendron viscosum (Linnaeus) Torrey
Vaccinium Linnaeus
Vaccinium angustifolium Aiton
Vaccinium boreale I. V. Hall & Aalders
Vaccinium caespitosum Michaux
Vaccinium canadense f. chiococcum W. Deane
Vaccinium cespitosum Michaux
Vaccinium corymbosum Linnaeus
Vaccinium corymbosum f. laeve F. Seymour
Vaccinium corymbosum f. leucococcum W. Deane
Vaccinium corymbosum f. viride F. Seymour
Vaccinium fuscatum Aiton
Vaccinium macrocarpon Aiton
Vaccinium myrtilloides Michaux
Vaccinium oxycoccos Linnaeus
Vaccinium oxycoccus Linnaeus
Vaccinium pallidum Aiton
Vaccinium pensylvanicum f. leucocarpum W. Deane
Vaccinium stamineum Linnaeus
Vaccinium uliginosum Linnaeus
Vaccinium vitis-idaea Linnaeus
Vaccinium vitis-idaea subsp. minor (Loddiges, G. Loddiges & W. Loddiges) Hultén
Vaccinium vitis-idaea var. minus Loddiges
Vaccinium ×atlanticum E. P. Bicknell
ERIOCAULACEAE
Eriocaulon aquaticum (Hill) Druce
Eriocaulon parkeri B. L. Robinson
EUPHORBIACEAE
Acalypha gracilens A. Gray
Acalypha rhomboidea Rafinesque
Acalypha virginica Linnaeus
Chamaesyce glyptosperma (Engelmann) Small
Chamaesyce maculata Gray
Chamaesyce nutans (Lagasca) Small
Chamaesyce polygonifolia (Linnaeus) Small
Chamaesyce prostrata (Aiton) Small
Chamaesyce vermiculata (Rafinesque) House
Croton capitatus Michaux
Croton texensis (Klotzsch) Müller Argoviensis
Croton willdenowii G. L. Webster
Euphorbia Linnaeus
Euphorbia corollata Linnaeus
Euphorbia cyparissias Linnaeus
Euphorbia davidii Subils
Euphorbia esula Linnaeus
Euphorbia glyptosperma Engelmann
Euphorbia helioscopia Linnaeus
Euphorbia lathyris Linnaeus
Euphorbia maculata Linnaeus
Euphorbia marginata Linnaeus
Euphorbia nutans Lagasca
Euphorbia peplus Linnaeus
Euphorbia platyphyllos Linnaeus
Euphorbia polygonifolia Linnaeus
Euphorbia prostrata Aiton
Euphorbia pubentissima Michaux
Euphorbia virgata Waldstein & Kitaibel
Euphorbia ×pseudo-esula Schur
Mercurialis annua Linnaeus
Ricinus communis Linnaeus
FABACEAE
Acmispon americanus (Nuttall) Rydberg
Amorpha fruticosa Linnaeus
Amphicarpaea bracteata (Linnaeus) Fernald
Amphicarpaea bracteata var. comosa (Linnaeus) Fernald
Anthyllis vulneraria Linnaeus
Apios americana Medikus
Arachis hypogaea Linnaeus
Astragalus alpinus var. brunetianus Fernald
Astragalus blakei Eggleston
Astragalus canadensis Linnaeus
Astragalus contortuplicatus Linnaeus
Astragalus eucosmus B. L. Robinson
Astragalus glycyphyllos Linnaeus
Astragalus robbinsii (Oakes) A. Gray
Astragalus robbinsii var. jesupii Eggl. & Sheldon
Astragalus robbinsii var. minor (Hooker) Barneby
Baptisia australis R. Brown
Baptisia bracteata var. glabrescens (Larisey) Isely
Baptisia tinctoria (Linnaeus) R. Brown
Baptisia tinctoria (Linnaeus) Ventenat
Broussonetia papyrifera (L.) L'H ér. ex Vent. (L.) L'Hér. ex Vent.
Caragana arborescens Lamarck
Cicer arietinum Linnaeus
Cladrastis kentukea (Dumont Courset) Rudd
Cladrastis lutea (Michaux) Koch
Colutea arborescens Linnaeus
Coronilla Linnaeus
Coronilla scorpioides (Linnaeus) W. D. J. Koch
Coronilla varia Linnaeus
Crotalaria sagittalis Linnaeus
Cytisus scoparius (Linnaeus) Link
Dalea candida Michaux ex Willdenow
Dalea leporina (Aiton) Bullock
Dalea purpurea Ventenat
Desmodium Desvaux
Desmodium canadense (Linnaeus) de Candolle
Desmodium canescens (Linnaeus) de Candolle
Desmodium ciliare (Muhlenberg ex Willdenow) de Candolle
Desmodium cuspidatum (Muhlenberg ex Willdenow) de Candolle ex G. Don
Desmodium glabellum (Michaux) de Candolle
Desmodium glutinosum (Muhlenberg ex Willdenow) Alph. Wood
Desmodium humifusum L. C. Beck
Desmodium marilandicum (Linnaeus) de Candolle
Desmodium nudiflorum (Linnaeus) de Candolle
Desmodium obtusum (Muhlenberg ex Willdenow) de Candolle
Desmodium paniculatum (Linnaeus) de Candolle
Desmodium perplexum B. G. Schubert
Desmodium rigidum (Elliott) de Candolle
Desmodium rotundifolium (Michaux) de Candolle
Desmodium rotundifolium var. glabratum A. Gray
Desmodium sessilifolium (Torr.) Torr. & A. Gray
Galega officinalis Linnaeus
Genista tinctoria Linnaeus
Glycyrrhiza lepidota Nuttall ex Pursh
Hedysarum alpinum var. americanum Michaux ex Pursh
Hylodesmum glutinosum (Muhlenberg ex Willdenow) H. Ohashi & R. R. Mill
Hylodesmum nudiflorum (Linnaeus) H. Ohashi & R. R. Mill
Kummerovia striata (Thunberg) Schindler
Kummerowia striata (Thunberg) Schindler
Laburnum anagyroides Medikus
Lathyrus aphaca Linnaeus
Lathyrus japonicus Willdenow
Lathyrus japonicus var. glaber (Seringe) Fernald
Lathyrus japonicus var. pellitus Fernald
Lathyrus latifolius Linnaeus
Lathyrus maritimus (Linnaeus) Bigelow
Lathyrus ochroleucus Hooker
Lathyrus odoratus Linnaeus
Lathyrus palustris Linnaeus
Lathyrus pratensis Linnaeus
Lathyrus sativus Linnaeus
Lathyrus sylvestris Linnaeus
Lathyrus tuberosus Linnaeus
Lens culinaris Medikus
Lespedeza Michaux
Lespedeza angustifolia (Pursh) Elliot
Lespedeza bicolor Turczaninow
Lespedeza capitata Michaux
Lespedeza cuneata (Dumont Courset) G. Don
Lespedeza frutescens (Linnaeus) Hornemann
Lespedeza frutescens ×violacea (Linnaeus) Hornemann
Lespedeza hirta (Linnaeus) Hornemann
Lespedeza hirta Elliott
Lespedeza hirta var. dissimulans Fernald
Lespedeza intermedia (S. Watson) Britton
Lespedeza longifolia DC. (pro sp.)
Lespedeza procumbens Michaux
Lespedeza procumbens ×stuevei Michaux
Lespedeza sp. Michaux
Lespedeza stuevei Nuttall
Lespedeza violacea (Linnaeus) Persoon
Lespedeza virginica (Linnaeus) Britton
Lespedeza ×brittonii E. P. Bicknell
Lespedeza ×longifolia de Candolle
Lespedeza ×nuttallii Darlington
Lotus corniculatus Linnaeus
Lupinus Linnaeus
Lupinus perennis Linnaeus
Lupinus polyphyllus Lindley
Medicago arabica (Linnaeus) Hudson
Medicago falcata Linnaeus
Medicago laciniata (Linnaeus) Miller
Medicago lupulina Linnaeus
Medicago minima Linnaeus & Desrousseaux
Medicago monantha (C. A. Meyer) Trautvetter
Medicago polymorpha Linnaeus
Medicago sativa Linnaeus
Melilotus albus Medikus
Melilotus officinalis (Linnaeus) Lamarck
Oxytropis campestris var. johannensis Fernald
Phaca robbinsii Oakes
Phaseolus coccineus Linnaeus
Phaseolus polystachios (Linnaeus) Britton
Phaseolus vulgaris Linnaeus
Pisum sativum Linnaeus
Pueraria lobata (Willdenow) Ohwi
Robinia hispida Linnaeus
Robinia pseudoacacia Linnaeus
Robinia viscosa Ventenat
Securigera varia (Linnaeus) Lassen
Sesbania punicea (Cavanilles) Bentham
Strophostyles helvola (Linnaeus) Elliott
Styphnolobium japonicum (Linnaeus) Schott
Tephrosia virginiana (Linnaeus) Persoon
Thermopsis villosa (Walter) Fernald & B. G. Schubert
Trifolium arvense Linnaeus
Trifolium aureum Pollich
Trifolium campestre Schreber
Trifolium dalmaticum Visiani
Trifolium dichotomum Hooker & Arnott
Trifolium dubium Sibthorp
Trifolium echinatum M. Bieberstein
Trifolium hybridum Linnaeus
Trifolium incarnatum Linnaeus
Trifolium medium Linnaeus
Trifolium pratense Linnaeus
Trifolium purpureum Loiseleur-Deslongchamps
Trifolium repens Linnaeus
Trifolium resupinatum Linnaeus
Trifolium striatum Linnaeus
Trifolium subterraneum Linnaeus
Trifolium tomentosum Linnaeus
Trigonella hamosa Linnaeus
Ulex europaeus Linnaeus
Ulex minor Roth
Vicia Linnaeus
Vicia angustifolia Linnaeus
Vicia cracca Linnaeus
Vicia faba Linnaeus
Vicia grandiflora Scopoli
Vicia hirsuta (Linnaeus) Gray
Vicia lathyroides Linnaeus
Vicia pannonica Crantz
Vicia sativa Linnaeus
Vicia sativa subsp. nigra (Linnaeus) Ehrhart
Vicia sativa subspecies nigra (Linnaeus) Ehrhart
Vicia sepium Linnaeus
Vicia tetrasperma (Linnaeus) Schreber
Vicia villosa Roth
Vicia villosa subspecies varia (Host) Corbière
Wisteria floribunda de Candolle
Wisteria frutescens (Linnaeus) Poiret
Wisteria sinensis (Sims) de Candolle
FAGACEAE
Castanea dentata (Marshall) Borkhausen
Castanea mollissima Blume
Castanea pumila (Linnaeus) Miller
Castanea sativa Miller
Fagus grandifolia Ehrhart
Fagus grandifolia var. caroliniana (Loudon) Fernald & Rehder
Fagus sylvatica Linnaeus
Quercus Linnaeus
Quercus alba Linnaeus
Quercus alba ×robur Linnaeus
Quercus bicolor Willdenow
Quercus cerris Linnaeus
Quercus coccinea Münchhausen
Quercus ilicifolia Wangenheim
Quercus imbricaria Michaux
Quercus macrocarpa Michaux
Quercus montana Willdenow
Quercus muehlenbergii Engelmann
Quercus palustris Münchhausen
Quercus petraea (Mattuschka) Lieblein
Quercus prinoides Willdenow
Quercus prinoides var. rufescens Rehder
Quercus robur Linnaeus
Quercus rubra Linnaeus
Quercus rubra var. ambigua (A. Gray) Fernald
Quercus stellata Wangenheim
Quercus velutina Lamarck
Quercus × schuettei
Quercus ×faxonii Trelease
Quercus ×fernowii Trelease
Quercus ×fontana Laughlin
Quercus ×hawkinsiae Sudworth
Quercus ×jackiana C. K. Schneider
Quercus ×leana Nuttall
Quercus ×rehderi Trelease
Quercus ×robbinsii Trelease
Quercus ×saulii C. K. Schneider
Quercus ×stelloides E. J. Palmer
FISSIDENTACEAE
GENTIANACEAE
Bartonia paniculata (Michaux) Muhlenberg
Bartonia paniculata subsp. iodandra (B. L. Robinson) J. M. Gillett
Bartonia paniculata subspecies iodandra (B. L. Robinson) J. M. Gillett
Bartonia virginica (Linnaeus) Britton, Stearn & Poggenburg
Centaurium erythraea Rafn
Centaurium pulchellum (Swartz) Druce
Gentiana andrewsii Grisebach
Gentiana clausa Rafinesque
Gentiana cruciata Linnaeus
Gentiana linearis Froelich
Gentiana rubricaulis Schweinitz
Gentianella amarella (Linnaeus) Börner
Gentianella quinquefolia (Linnaeus) Small
Gentianopsis crinita (Froelich) Ma
Halenia deflexa (Smith) Grisebach
Lomatogonium rotatum (Linnaeus) Fries & Nyman
Menyanthes trifoliata Linnaeus
Menyanthes trifoliata var. minor Rafinesque
Nymphoides aquatica (J. F. Gmelin) Kuntze
Nymphoides cordata (Elliott) Fernald
Nymphoides peltata (S. G. Gmelin) Kuntze
Sabatia campanulata (Linnaeus) Torrey
Sabatia campanulata f. albina Fernald
Sabatia campanulata ×kennedyana Fernald
Sabatia kennedyana Fernald
Sabatia stellaris Pursh
GERANIACEAE
Erodium botrys (Cavanilles) Bertoloni
Erodium ciconium (Linnaeus) L'Heritier
Erodium cicutarium (Linnaeus) L'Heritier
Erodium cicutarium (Linnaeus) L'Heritier ex Aiton
Erodium cygnorum Nees
Erodium malacoides (L.) L'H ér. ex Aiton (L.) L'Hér. ex Aiton
Erodium malacoides (Linnaeus) L'Heritier
Erodium moschatum (L.) L'Hr. ex Aiton
Erodium stephenianum Willdenow
Geranium bicknellii Britton
Geranium carolinianum Linnaeus
Geranium carolinianum var. confertiflorum Fernald
Geranium dissectum Linnaeus
Geranium macrorrhizum Linnaeus
Geranium maculatum Linnaeus
Geranium molle Linnaeus
Geranium pratense Linnaeus
Geranium pusillum Linnaeus
Geranium pyrenaicum N. L. Burman
Geranium robertianum Linnaeus
Geranium sanguineum Linnaeus
Geranium sibiricum Linnaeus
Geranium thunbergii Siebold ex Lindley & Paxton
GRIMMIACEAE
Grimmia pilifera
HAEMODORACEAE
Lachnanthes caroliana (Lamarck) Dandy
Lachnanthes caroliniana (Lamarck) Dandy
HALORAGACEAE
Myriophyllum alterniflorum de Candolle
Myriophyllum aquaticum (Vellozo) Verdcourt
Myriophyllum exalbescens Fernald
Myriophyllum farwellii Morong
Myriophyllum heterophyllum Michaux
Myriophyllum humile (Rafinesque) Morong
Myriophyllum humile f. capillaceum (Torrey) Fernald
Myriophyllum pinnatum (Walter) Britton
Myriophyllum sibiricum Komarov
Myriophyllum spicatum Linnaeus
Myriophyllum tenellum Bigelow
Myriophyllum verticillatum Linnaeus
Myriophyllum verticillatum var. pectinatum Wallroth
Proserpinaca intermedia Mackenzie
Proserpinaca palustris Linnaeus
Proserpinaca palustris var. crebra Fernald & Griscom
Proserpinaca pectinata Lamarck
HAMAMELIDACEAE
Hamamelis virginiana Linnaeus
Liquidambar styraciflua Linnaeus
HELODIACEAE
HIPPOCASTANACEAE
Aesculus glabra Willdenow
Aesculus hippocastanum Linnaeus
HIPPURIDACEAE
Hippuris vulgaris Linnaeus
HYDRANGEACEAE
Deutzia scabra Thunberg
Hydrangea arborescens Linnaeus
Hydrangea cinerea Small
Hydrangea paniculata Siebold
Hydrangea quercifolia W. Bartram
Philadelphus coronarius Linnaeus
Philadelphus inodorus Linnaeus
Philadelphus pubescens Loiseleur-Deslongchamps
Philadelphus ×nivalis Jacques
Philadelphus ×polyanthus Rehder
HYDROCHARITACEAE
Egeria densa Planchon
Elodea canadensis Michaux
Elodea nuttallii (Planchon) H. St. John
Hydrilla verticillata (Linnaeus f.) Royle
Hydrocharis morsus-ranae Linnaeus
Vallisneria americana Michaux
HYDROPHYLLACEAE
Ellisia nyctelea Linnaeus
Hydrophyllum canadense Linnaeus
Hydrophyllum virginianum Linnaeus
Phacelia brachyloba (Bentham) A. Gray
Phacelia distans Bentham
Phacelia linearis (Pursh) Holzinger
Phacelia magellanica (Lamarck) R. Brown ex Sweet
Phacelia minor Thellung
Phacelia tanacetifolia Bentham
HYLOCOMIACEAE
Hylocomium splendens
HYMENOPHYLLACEAE
Crepidomanes intricatum (Farrar) Ebihara & Weakley
HYPERICACEAE
Hypericum adpressum Barton
Hypericum adpressum var. spongiosum B. L. Robinson
Hypericum ascyron Linnaeus
Hypericum boreale (Britton) E. P. Bicknell
Hypericum canadense L. ×majus (A. Gray) Britton
Hypericum canadense Linnaeus
Hypericum canadense ×mutilum Fernald & Long
Hypericum densiflorum Pursh
Hypericum dissimulatum E. P. Bicknell
Hypericum ellipticum Hooker
Hypericum frondosum Michaux
Hypericum gentianoides (Linnaeus) Britton, Sterns & Poggenburg
Hypericum hypericoides (Linnaeus) Crantz
Hypericum hypericoides subspecies multicaule (Michaux ex Willdenow) N. Robson
Hypericum majus (A. Gray) Britton
Hypericum majus (A. Gray) Britton ×mutilum Linnaeus
Hypericum mutilum Linnaeus
Hypericum perforatum Linnaeus
Hypericum prolificum Linnaeus
Hypericum punctatum Lamarck
Hypericum ×dissimulatum Bickn.
Triadenum fraseri (Spach) Gleason
Triadenum virginicum (Linnaeus) Rafinesque
HYPNACEAE
HYPOXIDACEAE
Hypoxis hirsuta (Linnaeus) Coville
IRIDACEAE
Crocus vernus (Linnaeus) Hill
Gladiolus communis Linnaeus
Iris Linnaeus
Iris cristata Aiton
Iris domestica (Linnaeus) Goldblatt & Mabberley
Iris hookeri Penny ex Loudon
Iris prismatica Pursh
Iris pseudacorus Linnaeus
Iris pumila Linnaeus
Iris sibirica Linnaeus
Iris versicolor Linnaeus
Iris versicolor var. canadensis Linnaeus
Iris ×germanica Linnaeus
Sisyrinchium albidum Rafinesque
Sisyrinchium angustifolium Miller
Sisyrinchium arenicola E. P. Bicknell
Sisyrinchium atlanticum E. P. Bicknell
Sisyrinchium intermedium E. P. Bicknell
Sisyrinchium montanum Greene
Sisyrinchium montanum var. crebrum Fernald
Sisyrinchium mucronatum Michaux
ISOETACEAE
Isoetes Linnaeus
Isoetes acadiensis Kott
Isoetes canadensis var. robbinsii A. A. Eaton
Isoetes dodgei A. A. Eaton
Isoetes echinospora Durieu
Isoetes echinospora subsp. muricata (Durieu) A. Löve & D. Löve
Isoetes echinospora var. boottii Engelmann
Isoetes engelmannii A. Braun
Isoetes foveolata A. A. Eaton
Isoetes foveolata var. plenospora A. A. Eaton
Isoetes lacustris Linnaeus
Isoetes macrospora Durieu
Isoetes riparia Engelmann
Isoetes riparia var. canadensis Engelmann
Isoetes tuckermani A. Braun ex Engelmann
Isoetes tuckermani var. borealis A. A. Eaton
Isoetes tuckermanii A. Braun ex Engelmann
Isoetes viridimontana M. Rosenthal & W. C. Taylor
Isoetes ×eatonii R. Dodge
Isoetes ×harveyi A. A. Eaton
Isoetes ×heterospora A. A. Eaton
JUGLANDACEAE
Carya cordiformis C. Koch
Carya glabra (Miller) Sweet
Carya ovalis (Wangenheim) Sargent
Carya ovata (Miller) K. Koch
Carya tomentosa (Poiret) Nuttall
Carya ×laneyi Sargent
Juglans ailantifolia Carrière
Juglans cinerea Linnaeus
Juglans nigra Linnaeus
JUNCACEAE
Juncus acuminatus Michaux
Juncus acuminatus var. lancifolia Michaux
Juncus alpinoarticulatus Chaix
Juncus alpinoarticulatus subspecies nodulosus (Wahlenb.) H ämet-Ahti (Wahlenberg) Hämet-Ahti
Juncus anthelatus (Wiegand) R. E. Brooks
Juncus arcticus var. balticus (Willdenow) Trautvetter
Juncus articulatus Linnaeus
Juncus balticus Willdenow
Juncus balticus subspecies littoralis (Engelmann) Snogerup
Juncus balticus var. littoralis Engelmann
Juncus biflorus Elliott
Juncus biflorus f. adinus Fernald & Griscom
Juncus brachycarpus Engelmann
Juncus brachycephalus (Engelmann) Buchenau
Juncus brevicaudatus (Engelmann) Fernald
Juncus bufonius Linnaeus
Juncus canadensis J. Gay ex Laharpe
Juncus canadensis f. conglobatus Fernald
Juncus compressus Jacquin
Juncus conglomeratus Linnaeus
Juncus debilis A. Gray
Juncus dichotomus Elliott
Juncus diffusissimus Buckley
Juncus dudleyi Wiegand
Juncus effusus Linnaeus
Juncus effusus subsp. solutus (Fernald & Wiegand) Hämet-Ahti
Juncus effusus var. decipiens Buchenau
Juncus effusus var. solutus Fernald & Wiegand
Juncus ensifolius Wikström
Juncus filiformis Linnaeus
Juncus gerardi Loiseleur-Deslongchamps
Juncus gerardi var. pedicellatus Fernald
Juncus gerardii Loiseleur-Deslongchamps
Juncus greenei Oakes & Tuckerman
Juncus inflexus Linnaeus
Juncus marginatus Rostkovius
Juncus marginatus var. odoratus Torrey
Juncus militaris Bigelow
Juncus nodosus Linnaeus
Juncus oronensis Fernald
Juncus pelocarpus E. Meyer
Juncus pervetus Fernald
Juncus platyphyllus (Wiegand) Fernald
Juncus pylaei Laharpe
Juncus ranarius Perrier & Songeon
Juncus secundus P. Beauvois ex Poiret
Juncus stygius subspecies americanus (Buchenau) Hultén
Juncus subcaudatus (Engelmann) Coville & S. F. Blake
Juncus subcaudatus subspecies americanus (Engelmann) Coville & S. F. Blake
Juncus subnodulosus Schrank
Juncus subtilis E. Meyer
Juncus tenuis Willdenow
Juncus tenuis var. anthelatus Wiegand
Juncus tenuis var. williamsii Fernald
Juncus torreyi Coville
Juncus trifidus Linnaeus
Juncus vaseyi Engelmann
Juncus ×fulvescens Fernald
Luzula acuminata Rafinesque
Luzula acuminata subspecies carolinae (S. Watson) Z. Kaplan
Luzula bulbosa (Alph. Wood) Rydberg
Luzula campestris (Linnaeus) de Candolle
Luzula confusa Lindeberg
Luzula echinata (Small) F. J. Hermann
Luzula luzuloides (Lamarck) Dandy & Wilmott
Luzula multiflora (Ehrhart) Lejeune
Luzula multiflora subspecies frigida (Buchenau) Kreczetowicz
Luzula multiflora var. acadiensis (Fernald) Fernald
Luzula parviflora (Ehrhart) Desvaux
Luzula saltuensis Fernald
Luzula spicata Linnaeus
JUNCAGINACEAE
Triglochin gaspensis Lieth & D. L öve Lieth & D. Löve
Triglochin maritima Linnaeus
Triglochin palustris Linnaeus
JUNGERMANNIACEAE
LAMIACEAE
Agastache foeniculum (Pursh) Kuntze
Agastache nepetoides (Linnaeus) Kuntze
Agastache rugosa (Fischer & Meyer-Abich) Kuntze
Agastache scrophulariifolia (Willdenow) Kuntze
Ajuga genevensis Linnaeus
Ajuga reptans Linnaeus
Ballota nigra subspecies foetida Hayek
Blephilia ciliata (Linnaeus) Bentham
Blephilia hirsuta (Pursh) Bentham
Blephilia hirsuta var. glabrata Fernald
Clinopodium vulgare Linnaeus
Collinsonia canadensis Linnaeus
Cunila origanoides (Linnaeus) Britton
Dracocephalum moldavica Linnaeus
Dracocephalum parviflorum Nuttall
Elsholtzia ciliata (Thunberg) Hylander
Galeopsis bifida Boenninghausen
Galeopsis ladanum Linnaeus
Galeopsis tetrahit Linnaeus
Galeopsis tetrahit var. bifida (Boenninghausen) Lejeune & Courtois
Glechoma hederacea Linnaeus
Hedeoma hispida Pursh
Hedeoma pulegioides (Linnaeus) Persoon
Hyssopus officinalis Linnaeus
Lamium album Linnaeus
Lamium amplexicaule Linnaeus
Lamium galeobdolon (Linnaeus) Linnaeus
Lamium maculatum Linnaeus
Lamium purpureum Linnaeus
Lamium purpureum var. incisum (Willdenow) Persoon
Lavandula angustifolia Miller
Lavandula dentata Linnaeus
Leonurus cardiaca Linnaeus
Lophanthus scrophulariifolius var. mollis Fernald
Lycopus americanus Muhlenberg ex W. P. C. Barton
Lycopus americanus var. laurentianus (Rolland-Germain) B. Boivin
Lycopus amplectens Rafinesque
Lycopus amplectens var. pubens (Britton) Fernald
Lycopus europaeus Linnaeus
Lycopus europaeus var. mollis (Kern.) Briq.
Lycopus rubellus Moench
Lycopus uniflorus Michaux
Lycopus virginicus Linnaeus
Marrubium vulgare Linnaeus
Melissa officinalis Linnaeus
Mentha aquatica Linnaeus
Mentha arvensis Linnaeus
Mentha arvensis var. canadensis (Linnaeus) Kuntze
Mentha canadensis Linnaeus
Mentha citrata Ehrhart
Mentha gentilis f. variegata Moldenke
Mentha longifolia (Linnaeus) Hudson
Mentha rotundifolia (L.) Huds. (pro sp.)
Mentha spicata Linnaeus
Mentha verticillata var. pilosa (Sprengel) Heinr. Braun
Mentha ×gentilis Linnaeus
Mentha ×gracilis Sole
Mentha ×piperita Linnaeus
Mentha ×rotundifolia (Linnaeus) Hudson
Mentha ×villosa Hudson
Monarda clinopodia Linnaeus
Monarda didyma Linnaeus
Monarda fistulosa Linnaeus
Monarda fistulosa var. mollis (Linnaeus) Bentham
Monarda media Willdenow
Monarda punctata var. villicaulis (Pennell) Shinners
Nepeta cataria Linnaeus
Nepeta ×faassenii Bergmans ex Stearn
Ocimum basilicum Linnaeus
Origanum majorana Linnaeus
Origanum vulgare Linnaeus
Perilla frutescens (Linnaeus) Britton
Perilla frutescens var. crispa (Benth.) Deane
Physostegia virginiana (Linnaeus) Bentham
Physostegia virginiana var. speciosa (Sweet) A. Gray
Prunella laciniata (Linnaeus) Linnaeus
Prunella vulgaris Linnaeus
Prunella vulgaris f. candida Fernald
Prunella vulgaris f. rhodantha Fernald
Prunella vulgaris subsp. lanceolata (W. P. C. Barton) Piper & Beattie
Prunella vulgaris var. lanceolata (W. P. C. Barton) Fernald
Pycnanthemum clinopodioides Torrey ex A. Gray
Pycnanthemum incanum (Linnaeus) Michaux
Pycnanthemum lanceolatum (Willdenow) Pursh
Pycnanthemum muticum (Michaux) Persoon
Pycnanthemum pilosum Nuttall
Pycnanthemum tenuifolium Schrader
Pycnanthemum torrei Bentham
Pycnanthemum torreyi Bentham
Pycnanthemum verticillatum (Michaux) Persoon
Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald
Salvia azurea var. grandiflora Bentham
Salvia coccinea Buc'hoz ex Etlinger
Salvia farinacea Bentham
Salvia lyrata Linnaeus
Salvia nemorosa Linnaeus
Salvia officinalis Linnaeus
Salvia pratensis Linnaeus
Salvia sclarea Linnaeus
Salvia splendens Sellow ex Roemer & Schultes
Salvia tiliifolia Vahl
Salvia verticillata Linnaeus
Salvia yangii B. T. Drew
Satureja hortensis Linnaeus
Scutellaria altissima Linnaeus
Scutellaria churchilliana Fernald
Scutellaria epilobiifolia A. Hamilton
Scutellaria galericulata Linnaeus
Scutellaria integrifolia Linnaeus
Scutellaria lateriflora Linnaeus
Scutellaria parvula Michaux
Scutellaria parvula var. missouriensis (Torrey) Goodman & C. A. Lawson
Stachys annua (Linnaeus) Linnaeus
Stachys arvensis Linnaeus
Stachys byzantina K. Koch
Stachys germanica var. italica (Miller) Briquet
Stachys hispida Pursh
Stachys hyssopifolia Michaux
Stachys officinalis (Linnaeus) Trevisan
Stachys palustris Linnaeus
Stachys pilosa Nuttall
Teucrium botrys Linnaeus
Teucrium canadense Linnaeus
Teucrium canadense var. virginicum (Linnaeus) Eaton
Teucrium occidentale A. Gray
Teucrium occidentale var. boreale (E.P. Bicknell) Ferna
Teucrium scorodonia Linnaeus
Thymus ovatus Miller
Thymus pulegioides Linnaeus
Thymus serpyllum Linnaeus
Trichostema brachiatum Linnaeus
Trichostema dichotomum Linnaeus
LARDIZABALACEAE
Akebia pentaphylla Makino
Akebia quinata (Houttuyn) Decaisne
LAURACEAE
Benzoin aestivale f. xanthocarpum G. S. Torrey
Lindera benzoin (Linnaeus) Blume
Lindera benzoin f. rubra Champlin
Sassafras albidum (Nuttall) Nees
LEMNACEAE
Lemna minor Linnaeus
Lemna perpusilla Torrey
Lemna trisulca Linnaeus
Lemna valdiviana Philippi
Spirodela polyrhiza (Linnaeus) Schleiden
Spirodela polyrrhiza (Linnaeus) Schleiden
Wolffia borealis (Engelmann) Landolt & Wildi ex Gandhi, Wiersema & Brouillet
Wolffia brasiliensis Weddell
Wolffia columbiana H. Karsten
Wolffiella gladiata (Hegelmaier) Hegelmaier
LENTIBULARIACEAE
Pinguicula vulgaris Linnaeus
Utricularia cornuta Michaux
Utricularia geminiscapa Benjamin
Utricularia gibba Linnaeus
Utricularia inflata Walter
Utricularia intermedia Hayne
Utricularia macrorhiza LeConte
Utricularia minor Linnaeus
Utricularia purpurea Walter
Utricularia purpurea f. alba Hellquist
Utricularia radiata Small
Utricularia resupinata B. D. Greene ex Bigelow
Utricularia subulata Linnaeus
Utricularia vulgaris Linnaeus
Utricularia vulgaris subsp. macrorhiza (LeConte ex Torrey) R. T. Clausen
Utricularia vulgaris subspecies macrorhiza (Leconte) R.T. Clausen
Utricularia vulgaris var. americana A. Gray
LEUCOBRYACEAE
LEUCODONTACEAE
Leucodon julaceus
LILIACEAE
Aletris farinosa Linnaeus
Anticlea elegans (Pursh) Rydberg
Chamaelirium luteum (Linnaeus) A. Gray
Clintonia borealis (Aiton) Rafinesque
Colchicum autumnale Linnaeus
Convallaria majalis Linnaeus
Erythronium americanum Ker Gawler
Erythronium americanum f. castaneum L. B. Smith
Hemerocallis fulva (Linnaeus) Linnaeus
Hemerocallis lilioasphodelus Linnaeus
Hosta lancifolia Trattinnick
Hosta ventricosa (Salisbury) Stearn
Lilium bulbiferum var. croceum (Chaix) Baker
Lilium canadense Linnaeus
Lilium lancifolium Thunberg
Lilium philadelphicum Linnaeus
Lilium superbum Linnaeus
Maianthemum canadense Desfontaines
Maianthemum canadense var. interius Fernald
Maianthemum racemosum (Linnaeus) Link
Maianthemum stellatum (Linnaeus) Link
Maianthemum trifolium (Linnaeus) Sloboda
Muscari botryoides (Linnaeus) Miller
Muscari neglectum Gussone ex Tenore
Muscari racemosum (Linnaeus) Lamarck & de Candolle
Ornithogalum nutans Linnaeus
Ornithogalum umbellatum Linnaeus
Othocallis siberica (Andrews) Speta
Polygonatum biflorum (Walter) Elliott
Polygonatum biflorum var. commutatum (Schult. & Schult. f.) Morong
Polygonatum latifolium (Jacquin) Desfontaines
Polygonatum pubescens (Willdenow) Pursh
Polygonatum pubescens f. fultius Fernald & S. K. Harris
Polygonatum pubescens var. commutatum (Willdenow) Pursh
Scilla siberica Andrews
Streptopus amplexifolius (Linnaeus) de Candolle
Streptopus lanceolatus (Aiton) Reveal
Streptopus roseus Michaux
Streptopus ×oreopolus Fernald
Tofieldia glutinosa (Michaux) Persoon
Trillium cernuum Linnaeus
Trillium cernuum var. macranthum A. J. Eames & Wiegand
Trillium erectum Linnaeus
Trillium erectum f. albiflorum R. Hoffmann
Trillium grandiflorum (Michaux) Salisbury
Trillium undulatum Willdenow
Tulipa sylvestris Linnaeus
Uvularia grandiflora Smith
Uvularia perfoliata Linnaeus
Uvularia sessilifolia Linnaeus
Veratrum viride Aiton
LIMNANTHACEAE
Floerkea proserpinacoides Willdenow
LINACEAE
Linum catharticum Linnaeus
Linum intercursum E. P. Bicknell
Linum medium (Planchon) Britton
Linum medium var. texanum (Planchon) Fernald
Linum striatum Walter
Linum striatum var. multijugum Fernald
Linum sulcatum Riddell
Linum usitatissimum Linnaeus
Linum virginianum Linnaeus
Radiola linoides Roth
LOASACEAE
Mentzelia albicaulis (Douglas ex Hooker) Douglas ex Torrey & A. Gray
Mentzelia oligosperma Nuttall
LOBELIACEAE
Lobelia cardinalis Linnaeus
Lobelia dortmanna Linnaeus
Lobelia inflata Linnaeus
Lobelia kalmii Linnaeus
Lobelia siphilitica Linnaeus
Lobelia spicata Lamarck
Lobelia spicata f. alba Ralph Hoffmann
Lobelia spicata var. campanulata McVaugh
Lobelia spicata var. hirtella A. Gray
LOGANIACEAE
Buddleja davidii Franchet
LORANTHACEAE
Arceuthobium pusillum Peck
LYCOPODIACEAE
Dendrolycopodium dendroideum (Michaux) A. Haines
Dendrolycopodium hickeyi (W. H. Wagner, Beitel & R. C. Moran) A. Haines
Dendrolycopodium obscurum (Linnaeus) A. Haines
Diphasiastrum complanatum (Linnaeus) Holub
Diphasiastrum digitatum (Dillenius ex A. Braun) Holub
Diphasiastrum sitchense (Ruprecht) Holub
Diphasiastrum tristachyum (Pursh) Holub
Diphasiastrum ×habereri (House) Holub
Diphasiastrum ×issleri (Rouy) Holub
Diphasiastrum ×sabinifolium (Willdenow) Holub
Diphasiastrum ×verecundum A. V. Gilman
Diphasiastrum ×zeilleri (Rouy) Holub
Huperzia appressa (Desvaux) A. Löve & D. Löve
Huperzia lucidula (Michaux) Trevisan
Huperzia selago (Linnaeus) Bernhardi ex Schrank & Martius
Huperzia ×buttersii (Abbe) Kartesz & Gandhi
Huperzia ×josephbeitelii A. Haines
Lycopodiella alopecuroides (Linnaeus) Cranfill
Lycopodiella appressa (Chapman) Cranfill
Lycopodiella inundata (Linnaeus) Holub
Lycopodiella ×copelandii (Eiger) Cranfill
Lycopodiella ×robusta (R. J. Eaton) A. Haines
Lycopodium alopecuroides Linnaeus
Lycopodium annotinum Linnaeus
Lycopodium annotinum var. acrifolium Fernald
Lycopodium clavatum Linnaeus
Lycopodium complanatum var. flabelliforme Fernald
Lycopodium dendroideum Michaux
Lycopodium digitatum Dillenius ex A. Braun
Lycopodium hickeyi W. H. Wagner, Beitel & R. C. Moran
Lycopodium inundatum var. bigelovii Tuckerman
Lycopodium inundatum var. robustum R. J. Eaton
Lycopodium lagopus (Laestadius ex C. Hartman) G. Zinserling ex Kuzeneva
Lycopodium obscurum Linnaeus
Lycopodium tristachyum Pursh
Pseudolycopodiella caroliniana (Linnaeus) Holub
Spinulum annotinum (Linnaeus) A. Haines
Spinulum canadense (Nessel) A. Haines
LYTHRACEAE
Cuphea procumbens Cavanilles
Cuphea viscosissima Jacquin
Decodon verticillatus (Linnaeus) Elliott
Lythrum alatum Pursh
Lythrum hyssopifolia Linnaeus
Lythrum salicaria Linnaeus
Rotala ramosior (Linnaeus) Koehne
Trapa natans Linnaeus
MAGNOLIACEAE
Liriodendron tulipifera Linnaeus
Magnolia acuminata (Linnaeus) Linnaeus
Magnolia tripetala (Linnaeus) Linnaeus
Magnolia virginiana Linnaeus
MALVACEAE
Abutilon theophrasti Medikus
Alcea rosea Linnaeus
Althaea officinalis Linnaeus
Anoda cristata (Linnaeus) Schlechtendal
Gossypium hirsutum Linnaeus
Hibiscus moscheutos Linnaeus
Hibiscus syriacus Linnaeus
Hibiscus trionum Linnaeus
Malva alcea Linnaeus
Malva crispa (Linnaeus) Linnaeus
Malva moschata Linnaeus
Malva neglecta Wallroth
Malva parviflora Linnaeus
Malva rotundifolia Linnaeus
Malva sylvestris Linnaeus
Malva verticillata Linnaeus
Napaea dioica Linnaeus
Pseudoabutilon stuckertii R. E. Fries
Sida hermaphrodita (Linnaeus) Rusby
Sida spinosa Linnaeus
Sphaeralcea mendocina Philippi
MARCHANTIACEAE
MARSILEACEAE
Marsilea quadrifolia Linnaeus
MARTYNIACEAE
Martynia louisianica subsp. louisianica (P. Mill.) Thellung
Proboscidea louisianica (Miller) Thellung
MELANTHIACEAE
MELASTOMATACEAE
Rhexia mariana Linnaeus
Rhexia virginica Linnaeus
MENISPERMACEAE
Menispermum canadense Linnaeus
MIMOSACEAE
Albizia julibrissin Durazzini
MORACEAE
Ficus carica Linnaeus
Maclura pomifera (Rafinesque) C. K. Schneider
Morus alba Linnaeus
Morus rubra Linnaeus
MYRICACEAE
Comptonia peregrina (Linnaeus) J. M. Coulter
Morella carolinensis (Miller) Small
Morella caroliniensis (Miller) Small
Morella pensylvanica (Mirbel) Kartesz
Myrica gale Linnaeus
Myrica pensylvanica f. parvifolia T. W. Wells
NAJADACEAE
Najas flexilis (Willdenow) Rostkoius & W. L. E. Schmidt
Najas gracillima (A. Braun ex Engelmann) Magnus
Najas guadalupensis (Sprengel) Magnus
Najas minor Allioni
Zannichellia palustris Linnaeus
NELUMBONACEAE
Nelumbo lutea Willdenow
NYCTAGINACEAE
Mirabilis hirsuta (Pursh) MacMillan
Mirabilis linearis (Pursh) Heimerl
Mirabilis nyctaginea (Michaux) MacMillan
NYMPHAEACEAE
Nuphar advena Aiton
Nuphar lutea subsp. variegata (Durand) E. O. Beal
Nuphar microphylla (Persoon) Fernald
Nuphar variegata Engelmann ex Durand
Nuphar ×rubrodisca Morong
Nymphaea alba Linnaeus
Nymphaea leibergii Morong
Nymphaea odorata Aiton
Nymphaea odorata subsp. tuberosa (Paine) Wiersema & Hellquist
Nymphaea tuberosa Paine
NYSSACEAE
Nyssa sylvatica Marshall
OLEACEAE
Chionanthus virginicus Linnaeus
Forsythia ovata Nakai
Forsythia suspensa (Thunberg) Vahl
Forsythia viridissima Lindley
Forsythia ×intermedia Zabel
Fraxinus Linnaeus
Fraxinus americana Linnaeus
Fraxinus americana f. iodocarpa Fernald
Fraxinus excelsior Linnaeus
Fraxinus nigra Marshall
Fraxinus pennsylvanica Marshall
Fraxinus pensylvanica Marshall
Ligustrum amurense Carr.
Ligustrum obtusifolium Siebold & Zuccarini
Ligustrum ovalifolium Hasskarl
Ligustrum sinense Loureiro
Ligustrum vulgare Linnaeus
Syringa amurensis Ruprecht
Syringa persica Linnaeus
Syringa reticulata subspecies reticulata (Blume) H. Hara
Syringa vulgaris Linnaeus
ONAGRACEAE
Calylophus serrulatus (Nuttall) P. H. Raven
Camissonia bistorta (Nuttall ex Torrey & A. Gray) P. H. Raven
Camissonia campestris (Greene) P. H. Raven
Chamaenerion angustifolium (Linnaeus) Scopoli
Chamerion angustifolium var. circumvagum (Mosquin) Hoch
Circaea alpina Linnaeus
Circaea canadensis (Linnaeus) Hill
Circaea canadensis subspecies canadensis (Linnaeus) Hill
Circaea ×sterilis Boufford
Clarkia pulchella Pursh
Clarkia rhomboidea Douglas ex Hooker
Epilobium anagallidifolium Lamarck
Epilobium angustifolium f. albiflorum Rand & Redfield
Epilobium ciliatum Rafinesque
Epilobium ciliatum subspecies glandulosum (Lehmann) Hoch & P. H. Raven
Epilobium coloratum Biehler
Epilobium glandulosum var. adenocaulon (Haussknecht) Fernald
Epilobium hirsutum Linnaeus
Epilobium hornemannii Reichenbach
Epilobium lactiflorum Haussknecht
Epilobium leptophyllum Rafinesque
Epilobium palustre Linnaeus
Epilobium strictum Muhlenberg
Ludwigia alternifolia Linnaeus
Ludwigia lacustris Eames
Ludwigia palustris (Linnaeus) Elliott
Ludwigia polycarpa Short & R. Peter
Ludwigia sphaerocarpa Elliott
Oenothera biennis Linnaeus
Oenothera curtifolia W. L. Wagner and Moch.
Oenothera fruticosa Linnaeus
Oenothera fruticosa subspecies glauca (Michaux) Straley
Oenothera gaura W. L. Wagner & Hoch
Oenothera glazioviana Micheli
Oenothera laciniata Hill
Oenothera oakesiana (A. Gray) J. W. Robbins ex S. Watson
Oenothera parviflora Linnaeus
Oenothera perennis Linnaeus
Oenothera pilosella Rafinesque
Oenothera villosa Thunberg
ONOCLEACEAE
OPHIOGLOSSACEAE
Botrychium dissectum Sprengel
Botrychium lanceolatum Angstrom
Botrychium lanceolatum subspecies angustisegmentum (Pease & A. H. Moore) R. T. Clausen
Botrychium lanceolatum var. angustisegmentum Pease & A. H. Moore
Botrychium lunaria (Linnaeus) Swartz
Botrychium matricariifolium A. Brown
Botrychium minganense Victorin
Botrychium multifidum (S. G. Gmelin) Ruprecht
Botrychium oneidense (Gilbert) House
Botrychium rugulosum W. H. Wagner
Botrychium simplex E. Hitchcock
Botrychium simplex var. laxifolium R. T. Clausen
Botrychium simplex var. tenebrosum (A. A. Eaton) R. T. Clausen
Botrychium tenebrosum A. A. Eaton
Botrychium ternatum (Thunberg) Swartz
Botrychium ternatum var. obliquum (Muhlenberg ex Willdenow) D. C. Eaton
Botrychium virginianum (Linnaeus) Swartz
Botrypus virginianus (Linnaeus) Michaux
Ophioglossum pusillum Rafinesque
ORCHIDACEAE
Amerorchis rotundifolia (Banks ex Pursh) Hult én (Banks ex Pursh) Hultén
Amerorchis rotundifolia (Banks ex Pursh) Hultén
Aplectrum hyemale (Muhlenberg ex Willdenow) Torrey
Arethusa bulbosa Linnaeus
Calopogon pulchellus R. Brown
Calopogon tuberosus (Linnaeus) Britton, Stearn & Poggenburg
Calypso bulbosa (Linnaeus) Oakes
Coeloglossum viride var. bracteata (Muhlenberg) Grey
Corallorhiza maculata (Rafinesque) Rafinesque
Corallorhiza maculata var. occidentalis (Lindley) W. J. Schrenk
Corallorhiza odontorhiza (Willdenow) Poiret
Corallorhiza trifida Châtelain
Corallorhiza trifida var. bracteata Chatelain
Cypripedium acaule Aiton
Cypripedium arietinum R. Brown
Cypripedium parviflorum Salisbury
Cypripedium parviflorum var. makasin (Farwell) Sheviak
Cypripedium parviflorum var. pubescens (Willdenow) O. W. Knight
Cypripedium reginae Walter
Dactylorhiza viridis (Linnaeus) R. M. Bateman, Pridgeon & M. W. Chase
Epipactis helleborine (Linnaeus) Crantz
Galearis spectabilis (Linnaeus) Rafinesque
Goodyera oblongifolia Rafinesque
Goodyera pubescens (Willdenow) R. Brown
Goodyera repens (Linnaeus) R. Brown
Goodyera repens var. ophioides Fernald
Goodyera tesselata Loddiges
Habenaria fimbriata f. albiflora E. L. Rand & Redfield
Habenaria psycodes f. albiflora Ralph Hoffmann
Isotria medeoloides (Pursh) Rafinesque
Isotria verticillata (Muhlenberg ex Willdenow) Rafinesque
Liparis liliifolia (Linnaeus) Richard ex Lindley
Liparis loeselii (Linnaeus) Richard
Listera auriculata Wiegand
Listera australis Lindley
Listera convallarioides (Swartz) Nuttall ex Elliott
Listera cordata (Linnaeus) R. Brown
Malaxis bayardii Fernald
Malaxis monophyllos subsp. brachypoda (A. Gray) Á. Löve & D. Löve
Malaxis monophyllos var. brachypoda (A. Gray) F. Morris & E. A. Eames
Malaxis unifolia Michaux
Neottia cordata (Linnaeus) Richard
Platanthera aquilonis Sheviak
Platanthera blephariglottis (Willdenow) Lindley
Platanthera ciliaris (Linnaeus) Lindley
Platanthera clavellata (Michaux) Luer
Platanthera cristata (Michaux) Lindley
Platanthera flava var. herbiola (R. Brown) Luer
Platanthera grandiflora (Bigelow) Lindley
Platanthera grandiflora ×lacera (Bigelow) Lindley
Platanthera hookeri (Torrey ex A. Gray) Lindley
Platanthera hookeri var. herbiola (Torrey ex A. Gray) Lindley
Platanthera huronensis (Nuttall) Lindley
Platanthera hyperborea [complex] (Linnaeus) Lindley
Platanthera lacera (Michaux) G. Don
Platanthera leucophaea (Nuttall) Lindley
Platanthera macrophylla (Goldie) Lindley
Platanthera obtusata (Banks ex Pursh) Lindley
Platanthera orbiculata (Pursh) Lindley
Platanthera psycodes (Linnaeus) Lindley
Platanthera ×andrewsii (M. White) Luer
Platanthera ×media (Rydb.) Luer (pro sp.)
Pogonia ophioglossoides (Linnaeus) Ker Gawler
Spiranthes casei Catling & Cruise
Spiranthes cernua (Linnaeus) Richard
Spiranthes gracilis (Bigelow) L. C. Beck
Spiranthes lacera (Rafinesque) Rafinesque
Spiranthes lacera var. gracilis (Bigelow) Luer
Spiranthes lucida (H. H. Eaton) Ames
Spiranthes neglecta Ames
Spiranthes ochroleuca (Rydberg) Rydberg
Spiranthes romanzoffiana Chamisso
Spiranthes tuberosa Rafinesque
Spiranthes vernalis Engelmann & A. Gray
Tipularia discolor (Pursh) Nuttall
Triphora trianthophora (Swartz) Rydberg
OROBANCHACEAE
Agalinis acuta Pennell
Agalinis maritima (Rafinesque) Rafinesque
Agalinis neoscotica (Greene) Fernald
Agalinis paupercula (A. Gray) Britton
Agalinis paupercula var. borealis Pennell
Agalinis purpurea (Linnaeus) Pennell
Agalinis tenuifolia (Vahl) Rafinesque
Aureolaria flava (Linnaeus) Farwell
Aureolaria grandiflora (Bentham) Pennell
Aureolaria pedicularia (Linnaeus) Rafinesque
Aureolaria pedicularia var. intercedens Pennell
Aureolaria virginica (Linnaeus) Pennell
Castilleja coccinea (Linnaeus) Sprengel
Castilleja septentrionalis Lindley
Conopholis americana (Linnaeus) Wallroth
Epifagus virginiana (Linnaeus) W. P. C. Barton
Euphrasia micrantha Reichenb.
Euphrasia nemorosa (Persoon) Wallroth
Euphrasia oakesii Wettstein
Euphrasia purpurea f. albiflora Fernald & Wiegand
Euphrasia purpurea f. iodantha Fernald & Wiegand
Euphrasia randii B. L. Robinson
Euphrasia stricta Host
Euphrasia tetraquetra (Brébisson) Arrondeau
Gerardia purpurea Linnaeus
Gerardia virginica (Linnaeus) Britton, Sterns & Poggenburg
Melampyrum lineare Desrousseaux
Melampyrum lineare var. americanum (Michaux) Beauverd
Odontites vernus (Bellardi) Dumortier
Odontites vernus subspecies serotinus (Dumortier) Corbière
Orobanche uniflora Linnaeus
Pedicularis canadensis Linnaeus
Pedicularis canadensis f. praeclara A. H. Moore
Pedicularis furbishiae S. Watson
Pedicularis lanceolata Michaux
Rhinanthus alectorolophus (Scopoli) Pollich
Rhinanthus crista-galli Linnaeus
Rhinanthus minor Linnaeus
Rhinanthus minor subsp. groenlandicus (Ostenfeld) L. Neumann
Rhinanthus minor subspecies groenlandicus (Ostenf.) L. Neum.
Schwalbea americana Linnaeus
OSMUNDACEAE
Osmunda cinnamomea f. latipinnula S. F. Blake
Osmunda claytoniana Linnaeus
Osmunda regalis (Willdenow) Gray
Osmunda regalis f. anomala (Farwell) S. K. Harris
Osmunda regalis var. spectabilis (Willdenow) A. Gray
Osmundastrum cinnamomea (Linnaeus) C. Presl
Osmundastrum cinnamomeum (Linnaeus) C. Presl
OXALIDACEAE
Oxalis corniculata Linnaeus
Oxalis dillenii Jacquin
Oxalis florida Salisbury
Oxalis montana Rafinesque
Oxalis stricta Linnaeus
Oxalis stricta var. piletocarpa Wiegand
Oxalis violacea Linnaeus
PAEONIACEAE
Paeonia lactiflora Pallas
Paeonia officinalis Linnaeus
Paeonia suffruticosa Andrews
PAPAVERACEAE
Adlumia fungosa (Aiton) Greene ex Britton, Stearn & Poggenburg
Argemone albiflora Hornemann
Argemone mexicana Linnaeus
Capnoides sempervirens (Linnaeus) Borkhausen
Chelidonium majus Linnaeus
Corydalis aurea Willdenow
Corydalis flavula (Rafinesque) de Candolle
Corydalis sempervirens (Linnaeus) Persoon
Corydalis solida (Linnaeus) Clairville
Dicentra canadensis (Goldie) Walpers
Dicentra cucullaria (Linnaeus) Bernhardi
Dicentra eximia (Ker Gawler) Torrey
Dicentra formosa (Andreanszky) Walpers
Eschscholzia californica Chamisso
Fumaria officinalis Linnaeus
Glaucium flavum Crantz
Lamprocapnos spectabilis (Linnaeus) Fukuhara
Macleaya cordata (Willdenow) R. Brown
Papaver dubium Linnaeus
Papaver rhoeas Linnaeus
Saguinaria canadensis Linnaeus
Sanguinaria canadensis Linnaeus
PARMELIACEAE
PARNASSIACEAE
Parnassia glauca Rafinesque
PEDALIACEAE
Sesamum indicum Linnaeus
PENTHORACEAE
Penthorum sedoides Linnaeus
PHRYMACEAE
Phryma leptostachya Linnaeus
PHYSCIACEAE
PHYTOLACCACEAE
Phytolacca americana Linnaeus
PINACEAE
Abies balsamea (Linnaeus) Miller
Abies balsamea var. phanerolepis Fernald
Larix decidua Miller
Larix laricina (Du Roi) Koch
Picea abies (Linnaeus) H. Karsten
Picea glauca (Moench) Voss
Picea mariana (Miller) Brittan, Sterns & Poggenburg
Picea rubens Sargent
Pinus banksiana Lambert
Pinus mugo Turra
Pinus resinosa Aiton
Pinus rigida Miller
Pinus strobus Linnaeus
Pinus sylvestris Linnaeus
Pinus thunbergii Parlatore
Pseudotsuga menziesii (Mirbel) Franco
Tsuga canadensis (L.) Carri ère
Tsuga canadensis (Linnaeus) Carrière
PLANTAGINACEAE
Antirrhinum majus Linnaeus
Callitriche heterophylla Pursh
Callitriche palustris Linnaeus
Callitriche stagnalis Scopoli
Callitriche terrestris Rafinesque
Chaenorhinum minus (Linnaeus) Lange
Chelone glabra Linnaeus
Chelone lyonii Pursh
Chelone obliqua Linnaeus
Collinsia parviflora Lindley
Cymbalaria muralis G. Gaertner
Digitalis grandiflora Miller
Digitalis lanata Ehrhart
Digitalis lutea Linnaeus
Digitalis purpurea Linnaeus
Gratiola aurea Muhlenberg
Gratiola aurea f. helveola Bartlett
Gratiola aurea f. leucantha Bartlett
Gratiola neglecta Torrey
Gratiola virginiana Linnaeus
Kickxia elatine (Linnaeus) Dumortier
Linaria canadensis (Linnaeus) Dumont Courset
Linaria dalmatica (Linnaeus) Miller
Linaria genistifolia (Linnaeus) Miller
Linaria maroccana Hooker f.
Linaria repens (Linnaeus) Miller
Linaria spartea (Linnaeus) Chazelles
Linaria vulgaris Miller
Littorella americana Fernald
Nuttallanthus canadensis (Linnaeus) D. A. Sutton
Penstemon barbatus (Cavanilles) Roth
Penstemon calycosus Small
Penstemon digitalis Nuttall ex Sims
Penstemon grandiflorus Nuttall
Penstemon hirsutus (Linnaeus) Willdenow
Penstemon laevigatus Aiton
Penstemon pallidus Small
Penstemon tubaeflorus Nuttall
Plantago arenaria Waldstein & Kitaibel
Plantago aristata Michaux
Plantago coronopus Linnaeus
Plantago indica Linnaeus
Plantago lanceolata Linnaeus
Plantago major Linnaeus
Plantago maritima subsp. juncoides (Lamarck) Hultén
Plantago maritima var. juncoides (Lamarck) A. Gray
Plantago media Linnaeus
Plantago patagonica Jacquin
Plantago psyllium Linnaeus
Plantago pusilla Nuttall
Plantago rugelii Decaisne
Plantago virginica Linnaeus
Veronica agrestis Linnaeus
Veronica americana Schweinitz ex Bentham
Veronica anagallis-aquatica Linnaeus
Veronica arvensis Linnaeus
Veronica austriaca Linnaeus
Veronica barrelieri Schott ex Roemer & Schultes
Veronica catenata Pennell
Veronica chamaedrys Linnaeus
Veronica filiformis Smith
Veronica hederifolia Linnaeus
Veronica humifusa Dickson
Veronica latifolia Linnaeus
Veronica longifolia Linnaeus
Veronica officinalis Linnaeus
Veronica peregrina Linnaeus
Veronica peregrina subsp. xalapensis (Kunth) Pennell
Veronica peregrina subspecies xalapensis (Kunth) Pennell
Veronica peregrina var. xalapensis (Kunth) Pennell
Veronica persica Poiret
Veronica polita Fries
Veronica scutellata Linnaeus
Veronica serpyllifolia Linnaeus
Veronica serpyllifolia var. humifusa (Dickson) Syme
Veronica serpyllifolia var. lanceolata Linnaeus
Veronica spicata Linnaeus
Veronica teucrium Linnaeus
Veronica wormskjoldii Roemer & Schultes
Veronicastrum virginicum (Linnaeus) Farwell
PLATANACEAE
Platanus occidentalis Linnaeus
PLUMBAGINACEAE
Limonium carolinianum (Walter) Britton
POACEAE
Aegilops cylindrica Host
Agropyron cristatum (Linnaeus) Gaertner
Agropyron desertorum (Fischer ex Link) Schultes
Agropyron repens var. pilosum Scribner
Agrostis Linnaeus
Agrostis canina Linnaeus
Agrostis capillaris Linnaeus
Agrostis geminata Trinius
Agrostis gigantea Roth
Agrostis hyemalis (Walter) Britton, Stearn & Poggenburg
Agrostis mertensii Trinius
Agrostis perennans (Walter) Tuckerman
Agrostis scabra Willdenow
Agrostis stolonifera Linnaeus
Agrostis stolonifera var. palustris (Hudson) Farwell
Aira caryophyllea Linnaeus
Aira praecox Linnaeus
Alopecurus aequalis Sobolewsky
Alopecurus carolinianus Walter
Alopecurus geniculatus Linnaeus
Alopecurus myosuroides Hudson
Alopecurus pratensis Linnaeus
Ammophila breviligulata Fernald
Amphicarpum amphicarpon (Pursh) Nash
Andropogon gerardii Vitman
Andropogon glomeratus (Walter) Britton, Sterns & Poggenburg
Andropogon scoparius var. frequens F. T. Hubbard
Andropogon virginicus Linnaeus
Andropogon virginicus var. abbreviatus (Hack.) Fernald & Grisc.
Anthoxanthum aristatum Boissier
Anthoxanthum hirtum (Schrank) Y. Schouten & J. F. Veldkamp
Anthoxanthum nitens (Weber) Y. Schouten & J. F. Veldkamp
Anthoxanthum odoratum Linnaeus
Anthoxanthum ovatum var. aristatum (Boissier) Pérez Lara
Aristida basiramea Engelmann ex Vasey
Aristida dichotoma Michaux
Aristida longespica var. geniculata (Rafinesque) Fernald
Aristida oligantha Michaux
Aristida purpurascens Poiret
Aristida tuberculosa Nuttall
Arrhenatherum elatius (Linnaeus) P. Beauvois ex J. Presl & C. Presl
Arthraxon hispidus (Thunberg) Makino
Avena fatua Linnaeus
Avena sativa Linnaeus
Avena strigosa Schreber
Avenula pubescens (Hudson) Dumortier
Bouteloua curtipendula (Michaux) Torrey
Bouteloua dactyloides (Nuttall) J. T. Columbus
Bouteloua gracilis (Willdenow ex Kunth) Lagasca ex Griffiths
Bouteloua repens (Kunth) Scribner & Merrill
Bouteloua rigidiseta (Steudel) Hitchcock
Bouteloua simplex Lagasca
Brachiaria texana (Buckley) S. T. Blake
Brachyelytrum aristosum (Michaux) P. Beauvois ex Branner & Coville
Brachyelytrum erectum (Schreber) P. Beauvois
Briza media Linnaeus
Briza minor Linnaeus
Bromus Linnaeus
Bromus arvensis Linnaeus
Bromus briziformis Fischer & C. A. Meyer
Bromus ciliatus Linnaeus
Bromus ciliatus var. intonsus Fernald
Bromus commutatus Schrader
Bromus erectus Hudson
Bromus hordaceus Linnaeus
Bromus hordeaceus Linnaeus
Bromus hordeaceus subsp. pseudothominii (P. M. Smith) H. Scholz
Bromus hordeaceus subspecies thominei (Hardham ex Nyman) Braun-Blanquet
Bromus inermis Leysser
Bromus japonicus Thunberg
Bromus kalmii A. Gray
Bromus latiglumis (Shear) Hitchcock
Bromus lepidus Holmberg
Bromus marginatus Nees ex Steudel
Bromus pubescens Muhlenberg ex Willdenow
Bromus ramosus Hudson
Bromus rigidus Roth
Bromus secalinus Linnaeus
Bromus squarrosus Linnaeus
Bromus sterilis Linnaeus
Bromus tectorum Linnaeus
Calamagrostis canadensis (Michaux) P. Beauvois
Calamagrostis canadensis var. langsdorffii (Link) Inman
Calamagrostis canadensis var. macouniana (Vasey) Stebbins
Calamagrostis canadensis var. robusta Vasey
Calamagrostis cinnoides W. P. C. Barton
Calamagrostis coarctata Eaton
Calamagrostis epigeios (Linnaeus) Roth
Calamagrostis epigeios subspecies glomerata (Boiss. & Buhse) Tzvelev
Calamagrostis fernaldii Louis-Marie
Calamagrostis pickeringii A. Gray
Calamagrostis stricta (Timm) Koeler
Calamagrostis stricta subspecies inexpansa (A. Gray) C. W. Greene
Cenchrus longispinus (Hackel) Fernald
Cenchrus spinifex Cavanilles
Chasmanthium latifolium (Michaux) H. O. Yates
Chloris cucullata Bischoff
Chloris verticillata Nuttall
Chloris virgata Swartz
Cinna arundinacea Linnaeus
Cinna latifolia (Treviranus ex Göppert) Grisebach
Coleataenia longifolia (Torrey) Soreng
Coleataenia longifolia subsp. rigidula (Bosc ex Nees) Soreng
Coleataenia rigidula (Bosc ex Nees) LeBlond
Corynephorus canescens (Linnaeus) P. Beauvois
Crypsis schoenoides (Linnaeus) Lamarck
Cynodon dactylon (Linnaeus) Persoon
Cynosurus cristatus Linnaeus
Dactylis glomerata Linnaeus
Dactyloctenium aegyptium (Linnaeus) Willdenow
Danthonia alleni Austin
Danthonia allenii Austin
Danthonia compressa Austin
Danthonia spicata (Linnaeus) P. Beauvois ex Roemer & Schultes
Deschampsia caespitosa (Linnaeus) P. Beauvois
Deschampsia caespitosa var. glauca (C. Hartman) C. Hartman
Deschampsia cespitosa (Linnaeus) P. Beauvois
Deschampsia danthonioides (Trinius) Munro
Deschampsia flexuosa (Linnaeus) Trinius
Desmazeria rigida (Linnaeus) Tutin
Dichanthelium (Hitchcock & Chase) Gould
Dichanthelium acuminatum (Swartz) Gould & C. A. Clark
Dichanthelium acuminatum subsp. columbianum (Scribner) Freckmann & Lelong
Dichanthelium acuminatum subsp. fasciculatum (Torrey) Freckmann & Lelong
Dichanthelium acuminatum subsp. implicatum (Scribner) Freckmann & Lelong
Dichanthelium acuminatum subsp. lindheimeri (Nash) Freckmann & Lelong
Dichanthelium acuminatum subsp. longiligulatum (Nash) Freckmann & Lelong
Dichanthelium acuminatum subsp. spretum (Schultes) Freckmann & Lelong
Dichanthelium acuminatum subspecies columbianum (Scribner) Freckmann & Lelong
Dichanthelium acuminatum subspecies fasciculatum (Torrey) Freckmann & Lelong
Dichanthelium acuminatum subspecies implicatum (Scribner) Freckmann & Lelong
Dichanthelium acuminatum subspecies lindheimeri (Nash) Freckmann & Lelong
Dichanthelium acuminatum subspecies spretum (Schultes) Freckmann & Lelong
Dichanthelium bicknellii (Nash) LeBlond
Dichanthelium boreale (Nash) Freckmann
Dichanthelium boscii (Poiret) Gould & C. A. Clark
Dichanthelium clandestinum (Linnaeus) Gould
Dichanthelium commutatum subsp. ashei (T. G. Pearson ex Ashe) Freckmann & Lelong
Dichanthelium commutatum subspecies ashei (Pearson ex Ashe) Freckmann & Lelong
Dichanthelium depauperatum (Muhlenberg) Gould
Dichanthelium dichotomum (Linnaeus) Gould
Dichanthelium dichotomum subsp. microcarpon (Muhlenberg ex Elliott) Freckmann & Lelong
Dichanthelium dichotomum subspecies mattamuskeetense (Ashe) Freckmann & Lelong
Dichanthelium dichotomum subspecies microcarpon (Muhl. ex Ell.) Freckmann & Lelong
Dichanthelium lanuginosum (Elliott) Gould
Dichanthelium latifolium (Linnaeus) Harvill
Dichanthelium linearifolium (Scribner) Gould
Dichanthelium oligosanthes (Schultes) Gould
Dichanthelium oligosanthes subsp. scribnerianum (Nash) Freckmann & Lelong
Dichanthelium oligosanthes subspecies scribnerianum (Nash) Freckmann & Lelong
Dichanthelium ovale subsp. pseudopubescens (Nash) Freckmann & Lelong
Dichanthelium ovale subspecies pseudopubescens (Nash) Freckmann & Lelong
Dichanthelium ovale subspecies villosissimus (Nash) Freckmann & Lelong
Dichanthelium scabriusculum (Elliott) Gould & C. A. Clark
Dichanthelium scoparium (Lamarck) Gould
Dichanthelium sphaerocarpon (Elliott) Gould
Dichanthelium wrightianum (Scribner) Freckmann
Dichanthelium xanthophysum (A. Gray) Gould
Digitaria ciliaris (Retzius) Koeler
Digitaria cognata (Schultes) Pilger
Digitaria filiformis (Linnaeus) Koeler
Digitaria filiformis var. laeviglumis (Fernald) Wipff
Digitaria ischaemum (Schreber) Muhlenberg
Digitaria laeviglumis Fernald
Digitaria sanguinalis (Linnaeus) Scopoli
Distichlis spicata (Linnaeus) Greene
Echinochloa colona (Linnaeus) Link
Echinochloa crus-galli (Linnaeus) P. Beauvois
Echinochloa crus-galli var. frumentacea (Link) E. G. Camus & A. Camus
Echinochloa frumentacea Link
Echinochloa muricata (P. Beauvois) Fernald
Echinochloa muricata var. microstachya Wiegand
Echinochloa walteri (Pursh) A. Heller
Eleusine indica (Linnaeus) Gaertner
Elymus canadensis Linnaeus
Elymus glabriflorus (Vasey) Scribn. & C.R. Ball
Elymus hystrix Linnaeus
Elymus macgregorii R.E. Brooks & J.J.N. Campb.
Elymus macgregorii var. hirsutispiculus A. Haines
Elymus mollis Trinius
Elymus repens (Linnaeus) Gould
Elymus riparius Wiegand
Elymus trachycaulus (Link) Gould ex Shinners
Elymus trachycaulus subsp. glaucus (Pease & A. H. Moore) Cody
Elymus trachycaulus subsp. subsecundus (Link) Á. Löve & D. Löve
Elymus villosus Muhlenberg ex Willdenow
Elymus virginicus Linnaeus
Elymus virginicus var. halophilus (E. P. Bicknell) Wiegand
Elymus virginicus var. submuticus Hooker
Elymus wiegandii Fernald
Elymus wiegandii f. calvescens Fernald
Eragrostis capillaris (Linnaeus) Nees
Eragrostis cilianensis (Allioni) Vignolo ex Janchen
Eragrostis curvula (Schrader) Nees
Eragrostis frankii (Fischer, C. A. Meyer & Avé-Lallemant) Steudel
Eragrostis hypnoides (Lamarck) Britton, Stearn & Poggenburg
Eragrostis intermedia Hitchcock
Eragrostis minor Host
Eragrostis pectinacea (Michaux) Steudel
Eragrostis peregrina Wiegand
Eragrostis pilosa (Linnaeus) P. Beauvois
Eragrostis spectabilis (Pursh) Steudel
Festuca Linnaeus
Festuca brachyphylla Schultes
Festuca diffusa Dumortier
Festuca filiformis Pourret
Festuca ovina Linnaeus
Festuca richardsonii Hooker
Festuca rubra Linnaeus
Festuca rubra subspecies pruinosa (Hackel) Piper
Festuca rubra var. commutata Gaudin
Festuca subverticillata (Persoon) E. B. Alexeev
Festuca trachyphylla (Hackel) Krajina
Gastridium ventricosum (Gouan) Schinz & Thellung
Glyceria acutiflora Torrey
Glyceria borealis (Nash) Batchelder
Glyceria canadensis (Michaux) Trinius
Glyceria grandis S. Watson
Glyceria laxa (Scribner) Scribner
Glyceria maxima (Hartman) Holmberg
Glyceria melicaria (Michx.) F.T. Hubbard
Glyceria obtusa (Muhlenberg) Trinius
Glyceria pallida var. fernaldii Hitchcock
Glyceria septentrionalis Hitchcock
Glyceria striata (Lamarck) Hitchcock
Hierochloë alpina (Swartz ex Willdenow) Roemer & Schultes
Holcus lanatus Linnaeus
Holcus mollis Linnaeus
Hordeum Linnaeus
Hordeum brachyantherum Nevski
Hordeum jubatum Linnaeus
Hordeum murinum Linnaeus
Hordeum pusillum Nuttall
Hordeum vulgare Linnaeus
Koeleria macrantha (Ledebour) Schultes
Leersia oryzoides (Linnaeus) Swartz
Leersia virginica Willdenow
Leptochloa fascicularis (Lamarck) A. Gray
Leptochloa fusca subsp. fascicularis (Lamarck) N. Snow
Leptochloa panicea subspecies mucronata (Michaux) Nowack
Leymus mollis (Trinius) Pilger
Lolium multiflorum Lamarck
Lolium perenne Linnaeus
Lolium pratense (Hudson) Darbyshire
Lolium temulentum Linnaeus
Lycurus setosus (Nuttall) Reeder
Microstegium vimineum (Trinius) A. Camus
Milium effusum Linnaeus
Miscanthus sacchariflorus (Maximowicz) Franchet
Miscanthus sinensis Andersson
Molinia caerulea (Linnaeus) Moench
Muhlenbergia capillaris (Lamarck) Trinius
Muhlenbergia frondosa (Poiret) Fernald
Muhlenbergia glomerata (Willdenow) Trinius
Muhlenbergia mexicana (Linnaeus) Trinius
Muhlenbergia racemosa (Michaux) Britton, Stearn & Poggenburg
Muhlenbergia richardsonis (Trinius) Rydberg
Muhlenbergia schreberi J. F. Gmelin
Muhlenbergia sobolifera (Muhlenberg ex Willdenow) Trinius
Muhlenbergia sylvatica (Torrey) Torrey ex A. Gray
Muhlenbergia sylvatica var. robusta Fernald
Muhlenbergia tenuiflora (Willdenow) Britton, Sterns & Poggenburg
Muhlenbergia uniflora (Muhlenberg) Fernald
Muhlenbergia × curtisetosa
Nardus stricta Linnaeus
Oryzopsis asperifolia Michaux
Panicularia laxa Scribner
Panicum agrostoides Sprengel
Panicum amarum Elliott
Panicum capillare Linnaeus
Panicum capillare var. occidentale Rydberg
Panicum depauperatum var. psilophyllum Fernald
Panicum dichotomiflorum Michaux
Panicum dichotomiflorum var. puritanorum Svenson
Panicum flexile (Gattinger) Scribner
Panicum lindheimeri Nash
Panicum lindheimeri var. fasciculatum (Torrey) Fernald
Panicum lindheimeri var. implicatum (Scribner) Fernald
Panicum miliaceum Linnaeus
Panicum nitidum var. densiflorum E. L. Rand & Redfield
Panicum oligosanthes var. scribnerianum (Nash) Fernald
Panicum philadelphicum Bernhardi ex Trinius
Panicum rigidulum Bosc ex Nees
Panicum rigidulum var. elongatum (Pursh) Lelong
Panicum rigidulum var. pubescens (Vasey) Lelong
Panicum tuckermani Fernald
Panicum tuckermanii Fernald
Panicum unciphyllum f. prostratum Scribner & Merrill
Panicum verrucosum Muhlenberg
Panicum virgatum Linnaeus
Panicum virgatum var. cubense Grisebach
Panicum virgatum var. spissum Linder
Panicum wrightianum Scribner
Pappophorum vaginatum Buckley
Pascopyrum smithii (Rydberg) Barkworth & D. R. Dewey
Paspalum Linnaeus
Paspalum laeve Michaux
Paspalum laeve var. circulare (Nash) Stone
Paspalum setaceum Michaux
Paspalum setaceum var. muehlenbergii (Nash) D. Banks
Paspalum setaceum var. muhlenbergii (Nash) D. J. Banks
Paspalum setaceum var. psammophilum (Nash) D. Banks
Patis racemosa (Smith) Romaschenko, P. M. Peterson & Soreng
Phalaris arundinacea Linnaeus
Phalaris canariensis Linnaeus
Phleum alpinum Linnaeus
Phleum arenarium Linnaeus
Phleum pratense Linnaeus
Phleum pratense var. nodosum (Linnaeus) Hudson
Phleum subulatum (Savi) Asch. & Graebn.
Phragmites australis (Cavanilles) Trinius ex Steudel
Phragmites australis var. gigantissima (Cavanilles) Trinius ex Steudel
Phyllostachys aureosulcata McClure
Phyllostachys dulcis McClure
Piptatheropsis pungens (Torrey ex Sprengel) Romaschenko, P. M. Peterson & Soreng
Piptatherum canadense (Poiret) Dorn
Piptatherum pungens (Torrey) Dorn
Piptatherum racemosum (Smith) Eaton
Piptochaetium avenaceum (Linnaeus) Parodi
Poa Linnaeus
Poa alsodes A. Gray
Poa annua Linnaeus
Poa bulbosa Linnaeus
Poa bulbosa subsp. vivipara (Koeler) Arcangeli
Poa chapmaniana Scribner
Poa compressa Linnaeus
Poa fernaldiana Nannfeldt
Poa glauca Vahl
Poa interior Rydberg
Poa languida Hitchcock
Poa laxa Haenke
Poa macrocalyx Trautv. & C.A. Mey.
Poa nemoralis Linnaeus
Poa palustris Linnaeus
Poa pratensis Linnaeus
Poa pratensis subsp. agassizensis (B. Boivin & D. Löve) Roy L. Taylor & MacBryde
Poa pratensis subsp. angustifolia (Linnaeus) Lejeune
Poa pratensis subspecies alpigena (Fries ex Blytt) Hiitonen
Poa pratensis subspecies angustifolia (Linnaeus) Lejeune
Poa saltuensis Fernald & Wiegand
Poa saltuensis subsp. languida (Hitchcock) A. Haines
Poa triflora Gilibert
Poa trivialis Linnaeus
Polypogon monspeliensis (Linnaeus) Desfontaines
Puccinellia distans (Jacquin) Parlatore
Puccinellia fasciculata (Torrey) E. P. Bicknell
Puccinellia maritima (Hudson) Parlatore
Puccinellia nuttalliana (Schultes) Hitchcock
Puccinellia pumila (Vasey) Hitchcock
Schedonorus arundinaceus (Schreber) Dumortier
Schedonorus pratensis (Hudson) P. Beauvois
Schizachne purpurascens (Torrey) Swallen
Schizachyrium scoparium (Michaux) Nash
Secale cereale Linnaeus
Setaria faberi R. A. W. Herrmann
Setaria italica (Linnaeus) P. Beauvois
Setaria lutescens (Weigel ex Stuntz) F. T. Hubbard
Setaria parviflora (Poir.) Kergu élen (Poiret) Kerguélen
Setaria pumila (Poiret) Roemer & Schultes
Setaria verticillata (Linnaeus) P. Beauvois
Setaria viridis (Linnaeus) P. Beauvois
Sorghastrum nutans (Linnaeus) Nash
Sorghum bicolor (Linnaeus) Moench
Sorghum halepense (Linnaeus) Persoon
Spartina alterniflora Loiseleur-Deslongchamps
Spartina cynosuroides (Linnaeus) Roth
Spartina patens (Aiton) Muhlenberg
Spartina pectinata Link
Spartina × caespitosa
Spartina ×caespitosa A. A. Eaton
Sphenopholis intermedia (Rydberg) Rydberg
Sphenopholis intermedia Rydberg
Sphenopholis nitida (Biehler) Scribner
Sphenopholis obtusata (Michaux) Scribner
Sphenopholis pensylvanica (Linnaeus) Hitchcock
Sporobolus asper (Michaux) Kunth
Sporobolus clandestinus (Biehler) Hitchcock
Sporobolus compositus variation drummondii (Trin.) Kartesz & Gandhi
Sporobolus cryptandrus A. Gray
Sporobolus heterolepis (A. Gray) A. Gray
Sporobolus neglectus Nash
Sporobolus vaginiflorus (Torrey) Alph. Wood
Sporobolus vaginiflorus var. inaequalis Fernald
Taeniatherum caput-medusae (Linnaeus) Nevski
Thinopyrum pycnanthum (Godron) Barkworth
Torreyochloa pallida (Torrey) G. L. Church
Torreyochloa pallida subsp. fernaldii (Hitchcock) Dore
Torreyochloa pallida var. fernaldii (Hitchc.) Dore ex Koyama & Kawano
Tragus berteronianus Schultes
Tridens flavus (Linnaeus) Hitchcock
Triplasis purpurea (Walter) Chapman
Tripsacum dactyloides (Linnaeus) Linnaeus
Trisetum flavescens (Linnaeus) P. Beauvois
Trisetum melicoides (Michaux) Scribner
Trisetum spicatum (Linnaeus) K. Richter
Triticum aestivum Linnaeus
Vahlodea atropurpurea (Wahlenberg) Fries ex Hartman
Ventenata dubia (Leers) Cosson
Vulpia bromoides (Linnaeus) A. Gray
Vulpia myuros (Linnaeus) C. C. Gmelin
Vulpia octoflora (Walter) Rydberg
Vulpia octoflora var. glauca (Nuttall) Fernald
Vulpia octoflora var. tenella (Willdenow) Fernald
Zea mays Linnaeus
Zizania aquatica Linnaeus
Zizania palustris Linnaeus
Zoysia japonica Steudel
PODOSTEMACEAE
Podostemum ceratophyllum Michaux
POLEMONIACEAE
Collomia linearis Nuttall
Gilia achilleifolia subspecies multicaulis (Bentham) A. D. Grant & V. E. Grant
Gilia interior (H. Mason & A. D. Grant ) A. D. Grant
Ipomopsis rubra (Linnaeus) Wherry
Navarretia leucocephala Bentham
Phlox divaricata Linnaeus
Phlox maculata Linnaeus
Phlox paniculata Linnaeus
Phlox pilosa Linnaeus
Phlox stolonifera Sims
Phlox subulata Linnaeus
Phlox ×procumbens Lehmann
Polemonium caeruleum Linnaeus
Polemonium reptans Linnaeus
Polemonium vanbruntiae Britton
POLYGALACEAE
Polygala ambigua Nuttall
Polygala cruciata Linnaeus
Polygala cruciata var. aquilonia Fernald & B. G. Schubert
Polygala nuttallii Torr. & A. Gray
Polygala paucifolia Willdenow
Polygala paucifolia f. albiflora O. W. Knight
Polygala paucifolia f. caerulea R. J. Eaton
Polygala polygama Walter
Polygala sanguinea Linnaeus
Polygala sanguinea f. albiflora Millspaugh
Polygala senega Linnaeus
Polygala verticillata Linnaeus
POLYGONACEAE
Antenoron virginianum (Linnaeus) Roberty & Vautier
Chorizanthe pungens Bentham
Fagopyrum esculentum Moench
Fagopyrum tataricum (Linnaeus) Gaertner
Fallopia cilinodis (Michaux) Holub
Fallopia convolvulus (Linnaeus) Á. Löve
Fallopia cristata (Engelmann & A. Gray) Holub
Fallopia scandens (Linnaeus) Holub
Fallopia ×bohemica (Chrtek & Chrtková) J. P. Bailey
Oxyria digyna (Linnaeus) Hill
Persicaria amphibia (Linnaeus) Delarbre
Persicaria andrewsii Greene
Persicaria arifolia (Linnaeus) Haraldson
Persicaria careyi (Olney) Greene
Persicaria coccinea (Muhlenberg ex Willdenow) Greene
Persicaria extremiorientalis (Voroschilov) Tzvelev
Persicaria hydropiper (Linnaeus) Spach
Persicaria hydropiperoides (Michaux) Small
Persicaria lapathifolia (Linnaeus) Delarbre
Persicaria longiseta (Bruijn) Kitagawa
Persicaria maculosa Gray
Persicaria minor (Hudson) Opiz
Persicaria orientalis (Linnaeus) Assenov
Persicaria pensylvanica (Linnaeus) M. Gomez
Persicaria punctata (Elliott) Small
Persicaria puritanorum (Fernald) Soják
Persicaria robustior (Small) E. P. Bicknell
Persicaria sagittata (Linnaeus) H. Gross
Persicaria virginiana (Linnaeus) Gaertner
Polygonella articulata (Linnaeus) Meisner
Polygonum Linnaeus
Polygonum achoreum S. F. Blake
Polygonum amphibium Linnaeus
Polygonum arenarium subspecies pulchellum (Loiseleur-Deslongchamps) Thellung
Polygonum arenastrum Boreau
Polygonum arifolium Linnaeus
Polygonum articulatum Linnaeus
Polygonum aubertii Eggert
Polygonum aviculare Linnaeus
Polygonum aviculare subsp. depressum (R. Meissner) Arcangeli
Polygonum aviculare subsp. neglectum (Bess) Arcangeli
Polygonum aviculare subsp. rurivagum (Jordan ex Boreau) Berher
Polygonum aviculare subspecies aviculare Linnaeus
Polygonum aviculare subspecies depressa (Meisner) Arcangeli
Polygonum aviculare subspecies depressum (Meisner) Arcangeli
Polygonum aviculare var. littorale (Link) Mertens & W. D. J. Koch
Polygonum bellardii Allioni
Polygonum bistorta Linnaeus
Polygonum boreale (Lange) Small
Polygonum buxiforme Small
Polygonum careyi Olney
Polygonum cespitosum var. longisetum (Bruijn) Steward
Polygonum cilinode Michaux
Polygonum coccineum Muhlenberg ex Willdenow
Polygonum convolvulus Linnaeus
Polygonum cristatum Engelmann & A. Gray
Polygonum douglasii Greene
Polygonum dumetorum Linnaeus
Polygonum erectum Linnaeus
Polygonum exsertum Small
Polygonum extremiorientale Voroschilov
Polygonum fowleri B. L. Robinson
Polygonum glaucum Nuttall
Polygonum hydropiper Linnaeus
Polygonum hydropiperoides Michaux
Polygonum lapathifolium Linnaeus
Polygonum longisetum de Bruyne
Polygonum minus Hudson
Polygonum nepalense Meisner
Polygonum orientale Linnaeus
Polygonum pensylvanicum Linnaeus
Polygonum pensylvanicum var. laevigatum Fernald
Polygonum pensylvanicum var. nesophilum Fernald
Polygonum perfoliatum Linnaeus
Polygonum persicaria Linnaeus
Polygonum prolificum (Small) B. L. Robinson
Polygonum punctatum var. confertiflorum (Meisner) Fassett
Polygonum puritanorum Fernald
Polygonum ramosissimum Michaux
Polygonum ramosissimum f. alba T. W. Wells
Polygonum ramosissimum f. atlanticum B. L. Robinson
Polygonum ramosissimum subsp. prolificum (Small) Costea & Tardif
Polygonum robustius (Small) Fernald
Polygonum sagittatum Linnaeus
Polygonum scandens Linnaeus
Polygonum setaceum Baldwin
Polygonum setaceum var. interjectum Fernald
Polygonum tenue Michaux
Polygonum viviparum Linnaeus
Reynoutria japonica Houttuyn
Reynoutria sachalinensis (F. Schmidt) Nakai
Reynoutria ×bohemica Chrtek & Chrtkova
Rheum rhabarbarum Linnaeus
Rumex acetosa Linnaeus
Rumex acetosella Linnaeus
Rumex alpinus Linnaeus
Rumex altissimus Alph. Wood
Rumex britannica Linnaeus
Rumex crispus Linnaeus
Rumex longifolius de Candolle
Rumex maritimus Linnaeus
Rumex maritimus var. fueginus (Philippi) Dusén
Rumex maritimus var. persicarioides (Linnaeus) R. S. Mitchell
Rumex obtusifolius L. / Rech. f
Rumex obtusifolius Linnaeus
Rumex occidentalis S. Watson
Rumex pallidus Bigelow
Rumex patientia Linnaeus
Rumex pulcher Linnaeus
Rumex salicifolius var. mexicanus (Meisner) C. L. Hitchcock
Rumex spinosus Linnaeus
Rumex triangulivalvis (Danser) K. H. Rechinger
Rumex verticillatus Linnaeus
Rumex violascens K. H. Rechinger
Rumex ×pratensis Mertens & W. D. J. Koch
POLYPODIACEAE
Pleopeltis polypodioides (Linnaeus) E. G. Williams & Windham
Polypodium appalachianum Haufler & Windham
Polypodium virginianum Linnaeus
Polypodium ×incognitum Cusik
POLYTRICHACEAE
PONTEDERIACEAE
Eichhornia crassipes (Martius) Solms
Heteranthera dubia MacMillan
Heteranthera reniformis Ruiz & Pavon
Pontederia cordata Linnaeus
Pontederia cordata var. lancifolia (Muhlenberg ex Elliott) Torrey
PORTULACACEAE
Calandrinia ciliata (Ruiz & Pavon) de Candolle
Claytonia caroliniana Michaux
Claytonia perfoliata Donn ex Willdenow
Claytonia sibirica Linnaeus
Claytonia virginica Linnaeus
Montia fontana Linnaeus
Montia linearis (Douglas ex Hooker) Greene
Portulaca grandiflora Hooker
Portulaca oleracea Linnaeus
POTAMOGETONACEAE
Potamogeton alpinus Balbis
Potamogeton amplifolius Tuckerman
Potamogeton berchtoldii Fieber
Potamogeton bicupulatus Fernald
Potamogeton confervoides Reichenbach
Potamogeton crispus Linnaeus
Potamogeton diversifolius Rafinesque
Potamogeton epihydrus Rafinesque
Potamogeton epihydrus var. ramosus (Peck) House
Potamogeton foliosus Rafinesque
Potamogeton friesii Ruprecht
Potamogeton gemmiparus J. W. Robbins ex Morong
Potamogeton gramineus Linnaeus
Potamogeton gramineus ×perfoliatus Linnaeus
Potamogeton hillii Morong
Potamogeton illinoensis Morong
Potamogeton lateralis Morong
Potamogeton natans Linnaeus
Potamogeton nodosus Poiret
Potamogeton oakesianus J. W. Robbins
Potamogeton obtusifolius Mertens & W. D. J. Koch
Potamogeton ogdenii Hellquist & Hilton
Potamogeton perfoliatus Linnaeus
Potamogeton praelongus Wulfen
Potamogeton pulcher Tuckerman
Potamogeton pusillus Linnaeus
Potamogeton pusillus subsp. gemmiparus (J. W. Robbins) R. R. Haynes & Hellquist
Potamogeton pusillus subsp. tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist
Potamogeton pusillus var. gemmiparus J. W. Robbins
Potamogeton pusillus var. polyphyllus Morong
Potamogeton pusillus var. tenuissimus Mertens & Koch
Potamogeton richardsonii (A. Bennett) Rydberg
Potamogeton robbinsii Oakes
Potamogeton spirillus Tuckerman
Potamogeton strictifolius A. Bennett
Potamogeton tuckermanii J. W. Robbins ex A. Gray
Potamogeton vaseyi J. W. Robbins
Potamogeton zosteriformis Fernald
Potamogeton ×aemulus Z. Kaplan
Potamogeton ×faxonii Morong
Potamogeton ×mirabilis Z. Kaplan, Hellq. & Fehrer
Potamogeton ×mysticus Morong
Potamogeton ×subnitens Hagström
Potamogeton ×versicolor Z. Kaplan, Hellq. & Fehrer
Ruppia maritima Linnaeus
Stuckenia filiformis subspecies alpina (Blytt) Haynes, D.H. Les & M. Kral
Stuckenia filiformis subspecies occidentalis (J.W. Robbins) Haynes, D.H. Les & M. Kral
Stuckenia pectinata (Linnaeus) Börner
POTTIACEAE
PRIMULACEAE
Androsace occidentalis Pursh
Glaux maritima Linnaeus
Glaux maritima var. obtusifolia Fernald
Hottonia inflata Elliott
Lysimachia arvensis (Linnaeus) U. Manns & Anderberg
Lysimachia borealis (Rafinesque) U. Manns & Anderberg
Lysimachia ciliata Linnaeus
Lysimachia clethroides Duby
Lysimachia hybrida Michaux
Lysimachia minima Linnaeus
Lysimachia nummularia Linnaeus
Lysimachia obtusifolium Siebold & Zucc.
Lysimachia polyantha Fernald
Lysimachia punctata Linnaeus
Lysimachia quadrifolia Linnaeus
Lysimachia stricta var. ovata E. L. Rand & Redfield
Lysimachia terrestris (Linnaeus) Britton, Sterns & Poggenburg
Lysimachia thyrsiflora Linnaeus
Lysimachia vulgaris Linnaeus
Lysimachia ×commixta Fernald
Lysimachia ×producta (A. Gray) Fernald
Lysimachia ×producta-1 (A. Gray) Fernald (pro sp.)
Primula japonica A. Gray
Primula laurentiana Fernald
Primula mistassinica Michaux
Primula veris Linnaeus
Samolus parviflorus Rafinesque
PTERIDACEAE
Adiantum aleuticum (Ruprecht) C. A. Paris
Adiantum pedatum Linnaeus
Adiantum pedatum subspecies pseudocaudatum Linnaeus
Adiantum viridimontanum C. A. Paris
PUCCINIACEAE
Puccinia dioicae
RANUNCULACEAE
Aconitum napellus Linnaeus
Aconitum uncinatum Linnaeus
Actaea pachypoda Elliott
Actaea racemosa Linnaeus
Actaea rubra (Aiton) Willdenow
Anemone acutiloba (de Candolle) G. Lawson
Anemone americana (de Candolle) H. Hara
Anemone canadensis Linnaeus
Anemone cylindrica A. Gray
Anemone cylindrica ×virginiana (Fernald) B. Boivin
Anemone multifida Poiret
Anemone quinquefolia Linnaeus
Anemone riparia Fernald
Anemone virginiana Linnaeus
Anemone virginiana var. riparia (Fernald) B. Boivin
Aquilegia Linnaeus
Aquilegia canadensis Linnaeus
Aquilegia vulgaris Linnaeus
Caltha palustris Linnaeus
Cimicifuga racemosa (Linnaeus) Nuttall
Clematis occidentalis (Hornemann) de Candolle
Clematis terniflora de Candolle
Clematis verticillaris de Candolle
Clematis virginiana Linnaeus
Clematis vitalba Linnaeus
Consolida ambigua (L.) P.W. Ball & Heywood
Coptis trifolia (Linnaeus) Salisbury
Ficaria verna Hudson
Ficaria verna subsp. bulbifera Á. Löve & D. Löve
Halerpestes cymbalaria (Pursh) Green
Helleborus foetidus Linnaeus
Hepatica acutiloba de Candolle
Hepatica acutiloba f. albiflora R. Hoffmann
Hepatica acutiloba f. rosea R. Hoffmann
Hepatica americana (de Candolle) Ker Gawler
Hepatica americana f. candida Fernald
Hydrastis canadensis Linnaeus
Nigella damascena Linnaeus
Ranunculus abortivus Linnaeus
Ranunculus abortivus var. acrolasius Fernald
Ranunculus acris Linnaeus
Ranunculus allegheniensis Britton
Ranunculus ambigens S. Watson
Ranunculus aquatilis var. diffusus Withering
Ranunculus auricomus Linnaeus
Ranunculus bulbosus Linnaeus
Ranunculus fascicularis Muhlenberg ex Bigelow
Ranunculus ficaria Linnaeus
Ranunculus ficaria var. bulbifera Albert
Ranunculus flabellaris Rafinesque
Ranunculus flammula Linnaeus
Ranunculus flammula var. filiformis (Michaux) Hooker
Ranunculus flammula var. ovalis (Bigelow) L. D. Benson
Ranunculus gmelinii de Candolle
Ranunculus hispidus Michaux
Ranunculus hispidus var. caricetorum (Greene) T. Duncan
Ranunculus hispidus var. falsus Fernald
Ranunculus lapponicus Linnaeus
Ranunculus longirostris Godron
Ranunculus micranthus Nuttall ex Torrey & A. Gray
Ranunculus pensylvanicus Linnaeus f.
Ranunculus recurvatus Poiret
Ranunculus repens Linnaeus
Ranunculus repens var. pleniflorus Fernald
Ranunculus sardous Crantz
Ranunculus sceleratus Linnaeus
Thalictrum amphibolum Greene
Thalictrum dasycarpum Fischer & Ave-Lallemant
Thalictrum dioicum Linnaeus
Thalictrum polygamum var. intermedium Boivin
Thalictrum pubescens Pursh
Thalictrum revolutum de Candolle
Thalictrum thalictroides (Linnaeus) A. J. Eames & B. Boivin
Thalictrum venulosum var. confine (Fernald) B. Boivin
Trollius laxus Salisbury
Xanthorhiza simplicissima Marsh.
RESEDACEAE
Reseda alba Linnaeus
Reseda lutea Linnaeus
Reseda odorata Linnaeus
RHAMNACEAE
Ceanothus americanus Linnaeus
Ceanothus herbaceus Rafinesque
Frangula alnus Miller
Rhamnus alnifolia L'H ér. L'Hér.
Rhamnus alnifolia L'Heritier
Rhamnus cathartica Linnaeus
Rhamnus davurica Pallas
ROSACEAE
Agrimonia gryposepala Wallroth
Agrimonia parviflora Aiton
Agrimonia pubescens Wallroth
Agrimonia rostellata Wallroth
Agrimonia striata Michaux
Alchemilla filicaulis subspecies vestita (Buser) M. E. Bradshaw
Alchemilla monticola Opiz
Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer
Amelanchier arborea (F. Michaux) Fernald
Amelanchier bartramiana (Tausch) M. Roemer
Amelanchier canadensis (Linnaeus) Medikus
Amelanchier gaspensis (Wiegand) Fernald & Weatherby
Amelanchier humilis Wiegand
Amelanchier intermedia Spach
Amelanchier laevis Wiegand
Amelanchier nantucketensis E. P. Bicknell
Amelanchier sanguinea (Pursh) de Candolle
Amelanchier sanguinea var. gaspensis Wiegand
Amelanchier spicata (Lamarck) K. Koch
Amelanchier stolonifera Wiegand
Amelanchier wiegandii E. L. Nielsen
Amelanchier ×neglecta (Eggleston) K. R. Cushman, M. B. Burgess, E. T. Doucette & C. S. Campbell
Aronia arbutifolia (Linnaeus) Persoon
Aronia floribunda (Lindley) Sweet
Aronia melanocarpa (Michaux) Elliott
Aronia prunifolia (Marshall) Rehder
Aruncus dioicus (Walter) Fernald
Chaenomeles japonica (Thunberg) Lindley ex Spach
Chaenomeles speciosa (Sweet) Nakai
Comarum palustre Linnaeus
Cotoneaster divaricatus Rehder & E. H. Wilson
Crataegus Linnaeus
Crataegus anomala Sargent
Crataegus arnoldiana Sargent
Crataegus bicknellii Eggleston
Crataegus biltmoreana Beadle
Crataegus boyntonii Beadle
Crataegus brainerdii Sargent
Crataegus chadsfordiana Sargent
Crataegus chrysocarpa Ashe
Crataegus chrysocarpa var. phoenicea Palmer
Crataegus chrysocarpa var. praecox (Sargent) Phipps
Crataegus chrysocarpa variety praecox (Sargent) Phipps
Crataegus coccinioides Ashe
Crataegus crus-galli Linnaeus
Crataegus dilatata Sargent
Crataegus dissona Sargent
Crataegus dodgei Ashe
Crataegus eamesii Sargent
Crataegus faxonii Sargent
Crataegus flabellata (Bosc ex Spach) K. Koch
Crataegus flavida Sargent
Crataegus fluviatilis Sargent
Crataegus fulgens Sargent
Crataegus grossa Sargent
Crataegus hargeri Sargent
Crataegus holmesiana Ashe
Crataegus ideae Sargent
Crataegus incisa Sargent
Crataegus intricata Lange
Crataegus iracunda Beadle
Crataegus irrasa var. blanchardii (Sargent) Eggleston
Crataegus irrasa var. irrasa Sargent
Crataegus jesupii Sargent
Crataegus jonesiae Sargent
Crataegus keepii Sargent
Crataegus kennedyi Sargent
Crataegus levis Sargent
Crataegus lucorum Sargent
Crataegus macracantha Loddiges ex Loudon
Crataegus macracantha var. occidentalis (Britton) Eggleston
Crataegus macrosperma Ashe
Crataegus monogyna Jacquin
Crataegus oakesiana Eggleston
Crataegus pedicellata Sargent
Crataegus phaenopyrum (Linnaeus f.) Medikus
Crataegus pilifera Sargent
Crataegus populnea Ashe
Crataegus pringlei Sargent
Crataegus pruinosa (J. C. Wendland) K. Koch
Crataegus punctata Jacquin
Crataegus randiana Sargent
Crataegus rugosa Ashe
Crataegus scabrida Sargent
Crataegus schizophylla Eggleston
Crataegus schuettei Ashe
Crataegus schuettei var. basilica (Beadle) Phipps
Crataegus stonei Sargent
Crataegus submollis Sargent
Crataegus succulenta Link
Cydonia oblonga Miller
Dalibarda repens Linnaeus
Dasiphora fruticosa (Linnaeus) Rydberg
Drymocallis arguta (Pursh) Rydberg
Exochorda racemosa Rehder
Filipendula rubra (Hill) B. L. Robinson
Filipendula ulmaria (Linnaeus) Maximowicz
Filipendula ulmaria subspecies denudata (J. Presl & C. Presl) Hayek
Filipendula vulgaris Moench
Fragaria vesca Linnaeus
Fragaria vesca var. americana Porter
Fragaria virginiana Miller
Fragaria virginiana subsp. glauca (S. Watson) Staudt
Fragaria virginiana var. terrae-novae (Rydberg) Fernald & Wiegand
Fragaria ×ananassa (Weston) Duchesne ex Rozier (pro sp.)
Geum aleppicum Jacquin
Geum aleppicum var. strictum Fernald
Geum canadense Jacquin
Geum fragarioides (Michaux) Smedmark
Geum laciniatum Murray
Geum laciniatum var. trichocarpum Fernald
Geum macrophyllum Willdenow
Geum peckii Pursh
Geum rivale Linnaeus
Geum urbanum Linnaeus
Geum vernum (Raf.) Torr. & A. Gray
Geum virginianum Linnaeus
Gillenia trifoliata (Linnaeus) Moench
Kerria japonica (Linnaeus) de Candolle
Malus Miller
Malus baccata (Linnaeus) Borkhausen
Malus floribunda Siebold ex Van Houtte
Malus prunifolia (Willdenow) Borkhausen
Malus pumila Miller
Malus toringo (Siebold) Siebold ex de Vriese
Malus ×arnoldiana Sargent
Malus ×magdeburgensis Schoch ex Rehder
Malus ×micromalus Makino
Malus ×soulardii (L.H. Bailey) Britton (pro sp.)
Photinia villosa (Thunberg) de Candolle
Physocarpus opulifolius (Linnaeus) Maximowicz
Potentilla anserina Linnaeus
Potentilla argentea Linnaeus
Potentilla arguta Lehmann
Potentilla bimundorum Soják
Potentilla canadensis Linnaeus
Potentilla egedii var. groenlandica (Trattinnick) Polunin
Potentilla fruticosa (Linnaeus) Rydberg
Potentilla fruticosa Linnaeus
Potentilla hippiana Lehmann
Potentilla inclinata Vill
Potentilla indica (Andrews) Th. Wolf
Potentilla intermedia Linnaeus
Potentilla litoralis Rydberg
Potentilla minima var. robbinisana Lehmann
Potentilla norvegica Linnaeus
Potentilla pensylvanica var. litoralis (Rydberg) Boivin
Potentilla pulcherrima Lehmann
Potentilla recta Linnaeus
Potentilla reptans Linnaeus
Potentilla rivalis Nuttall
Potentilla robbinsiana (Lehmann) Oakes ex Rydberg
Potentilla simplex Michaux
Potentilla simplex var. calvescens Fernald
Potentilla tridentata Aiton
Potentilla tridentata f. aurora Graustein
Potentilla tridentata f. hirsutifolia Pease
Potentilla verna auct. non L. p.p.
Prunus alleghaniensis Porter
Prunus americana Marshall
Prunus avium Linnaeus
Prunus cerasifera Ehrhart
Prunus cerasus Linnaeus
Prunus domestica Linnaeus
Prunus domestica var. insititia (Linnaeus) L. H. Bailey
Prunus incisa Thunberg
Prunus mahaleb Linnaeus
Prunus maritima Marshall
Prunus maritima var. gravesii (Small) G.J. Anderson
Prunus nigra Aiton
Prunus pensylvanica Linnaeus f.
Prunus persica (Linnaeus) Batsch
Prunus pumila Linnaeus
Prunus pumila var. depressa (Pursh) Gleason
Prunus serotina Ehrhart
Prunus serrulata Lindley
Prunus speciosa (Koidzumi) Nakai
Prunus spinosa Linnaeus
Prunus susquehanae Willdenow
Prunus virginiana Linnaeus
Pyrus arbutifolia (Linnaeus) Linnaeus f.
Pyrus arbutifolia var. atropurpurea (Britton) B. L. Robinson
Pyrus calleryana Decaisne
Pyrus communis Linnaeus
Pyrus melanocarpa (Michaux) Willdenow
Rhodotypos scandens (Thunberg) Makino
Rosa Linnaeus
Rosa acicularis f. nivalis F. Seymour
Rosa acicularis subsp. sayi (Schweinitz) W. H. Lewis
Rosa acicularis subspecies sayi (Schweinitz) W. H. Lewis
Rosa arkansana Porter
Rosa blanda Aiton
Rosa blanda ×palustriformis Rydberg
Rosa canina Linnaeus
Rosa carolina Linnaeus
Rosa gallica Linnaeus
Rosa glauca Pourret
Rosa johannensis Fernald
Rosa luciae Franch. & Rochebr. ex. Crpin
Rosa luciae Franchet & Rochebrune
Rosa majalis J. Herrm.
Rosa micrantha Borrer ex Smith
Rosa mollis Smith
Rosa multiflora Thunberg
Rosa nanella Rydberg
Rosa nitida Willdenow
Rosa nitida f. spinosa W. H. Lewis
Rosa palustris Marshall
Rosa palustris f. inermis (Regel) W. H. Lewis
Rosa rubiginosa Linnaeus
Rosa rugosa Thunberg
Rosa setigera Michaux
Rosa sherardii Davies
Rosa spinosissima Linnaeus
Rosa virginiana Miller
Rosa virginica f. innoxia F. Seymour
Rosa wichuraiana Crépin
Rosa ×fernaldiorum W. H. Lewis
Rosa ×francofurtana Muenchh.
Rubus Linnaeus
Rubus abbrevians Blanchard
Rubus aculiferus Fernald
Rubus adjacens Fernald
Rubus alleghaniensis Porter
Rubus allegheniensis Porter
Rubus allegheniensis f. suffultus Fernald
Rubus allegheniensis var. gravesii Fernald
Rubus allegheniensis var. populifolius Fernald
Rubus arenicola Blanchard
Rubus argutus Link
Rubus bicknellii L. H. Bailey
Rubus bifrons Vest
Rubus blakei L. H. Bailey
Rubus canadensis Linnaeus
Rubus chamaemorus Linnaeus
Rubus crux Ashe
Rubus cuneifolius Pursh
Rubus elegantulus Blanchard
Rubus enslenii Trattinnick
Rubus flagellaris Willdenow
Rubus frondosus Bigelow
Rubus glandicaulis Blanchard
Rubus hispidus Linnaeus
Rubus hispidus var. major Blanchard
Rubus idaeus Linnaeus
Rubus idaeus f. tonsus Fernald
Rubus idaeus subsp. strigosus (Michaux) Focke
Rubus idaeus var. strigosus (Michaux) Maximowicz
Rubus illecebrosus Focke
Rubus jaysmithii L. H. Bailey
Rubus laciniatus Willdenow
Rubus occidentalis Linnaeus
Rubus odoratus Linnaeus
Rubus paludivagus Fernald
Rubus parviflorus Nuttall
Rubus pennus L. H. Bailey
Rubus pensilvanicus Poiret
Rubus pensilvanicus f. phyllophorus Fernald
Rubus phoenicolasius Maximowicz
Rubus pubescens Rafinesque
Rubus pubescens var. pilosifolius A. F. Hill
Rubus pugnax L. H. Bailey
Rubus recurvans Blanchard
Rubus recurvicaulis Blanchard
Rubus rhodinsulanus L. H. Bailey
Rubus semisetosus Blanchard
Rubus setosus Bigelow
Rubus setosus × vermontanus
Rubus sp. Linnaeus
Rubus tholiformis Fernald
Rubus vermontanus Blanchard
Rubus ×neglectus Peck
Rubus ×sceleratus Brainerd ex Fernald
Sanguisorba canadensis Linnaeus
Sanguisorba minor Scopoli
Sanguisorba officinalis Linnaeus
Sibbaldia procumbens Linnaeus
Sorbaria sorbifolia (Linnaeus) A. Braun
Sorbaronia hybrida C. K. Schneider
Sorbaronia ×fallax C. K. Schneider
Sorbaronia ×sorbifolia (Poiret) C. K. Schneider
Sorbus alnifolia (Siebold & Zuccarini) K. Koch
Sorbus americana Marshall
Sorbus aucuparia Linnaeus
Sorbus decora (Sargent) C. K. Schneider
Sorbus intermedia (Ehrhart) Persoon
Sorbus ×latifolia Linnaeus
Sorbus ×thuringiaca (Ilse) Fritsch
Spiraea alba Du Roi
Spiraea alba var. latifolia (Aiton) H. E. Ahles
Spiraea japonica Linnaeus f.
Spiraea japonica var. fortunei (Planchon) Rehder
Spiraea latifolia (Aiton) Borkhausen
Spiraea latifolia f. rosea T. W. Wells
Spiraea prunifolia Siebold & Zucc.
Spiraea thunbergii Siebold ex Blume
Spiraea tomentosa Linnaeus
Spiraea ×vanhouttei (Briot) Carrière
RUBIACEAE
Asperula arvensis Linnaeus
Cephalanthus occidentalis Linnaeus
Diodia teres Walter
Galium Linnaeus
Galium album Miller
Galium aparine Linnaeus
Galium asprellum Michaux
Galium boreale Linnaeus
Galium brevipes Fernald & Wiegand
Galium circaezans Michaux
Galium circaezans var. hypomalacum Fernald
Galium erectum Hudson
Galium kamtschaticum Steller
Galium labradoricum (Wiegand) Wiegand
Galium lanceolatum (Torrey) Torrey
Galium mollugo Linnaeus
Galium obtusum Bigelow
Galium palustre Linnaeus
Galium parisiense Linnaeus
Galium pilosum Aiton
Galium rubioides Linnaeus
Galium sylvaticum Linnaeus
Galium tinctorium Linnaeus
Galium tinctorium var. floridanum Wiegand
Galium tricornutum Dandy
Galium trifidum Linnaeus
Galium trifidum var. halophilum Fernald & Wiegand
Galium trifidum var. subbiflorum Wiegand
Galium triflorum Michaux
Galium verum Linnaeus
Galium verum subspecies wirtgenii (F. W. Schultz) Oborny
Hexasepalum teres (Walter) J. H. Kirkbride
Houstonia CR. UA. lE. eLoang Linnaeus
Houstonia caerulea Linnaeus
Houstonia caerulea var. faxonorum Pease & A. H. Moore
Houstonia longifolia Gaertner
Houstonia purpurea var. calycosa A. Gray
Mitchella repens Linnaeus
Rubia tinctorum Linnaeus
Sherardia arvensis Linnaeus
RUTACEAE
Dictamnus albus Linnaeus
Phellodendron amurense Ruprecht
Ptelea trifoliata Linnaeus
Ruta graveolens Linnaeus
Zanthoxylum americanum Miller
SALICACEAE
Populus alba Linnaeus
Populus balsamifera Linnaeus
Populus candicans Aiton
Populus canescens (Aiton) Sm. (pro sp.)
Populus deltoides Marsh
Populus grandidentata Michaux
Populus heterophylla Linnaeus
Populus nigra Linnaeus
Populus tremuloides Michaux
Populus xrouleauiana Boivin
Populus ×jackii Sargent
Populus ×rouleauiana B. Boivin
Populus ×smithii B. Boivin
Salix Linnaeus
Salix alba Linnaeus
Salix alba var. vitellina (Linnaeus) Stokes
Salix alba ×
Salix alba × Linnaeus
Salix amygdaloides Andersson
Salix arctophila Cockerell ex A. Heller
Salix argyrocarpa Andersson
Salix atrocinerea Brotero
Salix bebbiana Sargent
Salix bebbiana × Sargent
Salix candida Fluegg ex Willd.
Salix candida Fluegg é ex Willd. Flueggé ex Willd.
Salix candida × Fluegg ex Willd.
Salix caprea Linnaeus
Salix cinerea Linnaeus
Salix cordata var. myricoides (Muhlenberg) J. Carey
Salix discolor Muhlenberg
Salix elaeagnos Scopoli
Salix eriocephala Michaux
Salix eriocephala ×petiolaris Small
Salix exigua Nuttall
Salix gracilis var. textoris Fernald
Salix herbacea Linnaeus
Salix humilis Marshall
Salix humilis var. tristis (Aiton) Griggs
Salix interior var. exterior Fernald
Salix lucida Muhlenberg
Salix lucida × serissima
Salix myricoides Muhlenberg
Salix nigra Marshall
Salix nigricans Smith
Salix pedicellaris Pursh
Salix pedicellaris subspecies trilobum Pursh
Salix pedicellaris var. hypoglauca Fernald
Salix pedicellaris var. tenuescens Fernald
Salix pellita Andersson
Salix petiolaris Smith
Salix planifolia Pursh
Salix purpurea Linnaeus
Salix pyrifolia Andersson
Salix sepulcralis var. chrysocoma (Dode) Meikle
Salix sericea Marshall
Salix serissima (L. H. Bailey) Fernald
Salix tristis Aiton
Salix uva-ursi Pursh
Salix viminalis Linnaeus
Salix xrubens Schrank (pro sp.)
Salix ×bebbii Gandoger
Salix ×conifera Wangenheim
Salix ×ehrhartiana Sm. (pro sp.)
Salix ×fragilis Linnaeus
Salix ×grayi C. K. Schneider
Salix ×meyeriana Rostkoius ex Willdenow
Salix ×peasei Fernald
Salix ×pendulina Wenderoth
Salix ×rubella Bebb
Salix ×rubens F. v. P. v. Schrank
Salix ×sepulcralis Simonkai
Salix ×sericans Tausch ex. Kern.
SALVINIACEAE
Salvinia minima Baker
SANTALACEAE
Comandra umbellata (Linnaeus) Nuttall
Geocaulon lividum (Richardson) Fernald
SAPINDACEAE
Cardiospermum halicacabum Linnaeus
Koelreuteria paniculata Laxmann
SARRACENIACEAE
Sarracenia purpurea Linnaeus
SAURURACEAE
Saururus cernuus Linnaeus
SAXIFRAGACEAE
Chrysosplenium americanum Schweinitz ex Hooker
Heuchera americana Linnaeus
Micranthes foliolosa (R. Brown) Gornall
Micranthes pensylvanica (Linnaeus) Haworth
Micranthes virginiensis (Michaux) Small
Mitella diphylla Linnaeus
Mitella nuda Linnaeus
Ribes Linnaeus
Ribes americanum Miller
Ribes cynosbati Linnaeus
Ribes glandulosum Grauer
Ribes hirtellum Michaux
Ribes lacustre Poiret
Ribes missouriense Nuttall
Ribes nigrum Linnaeus
Ribes odoratum H. Wendland
Ribes rotundifolium Michaux
Ribes rubrum Linnaeus
Ribes triste Pallas
Ribes uva-crispa Linnaeus
Saxifraga aizoides Linnaeus
Saxifraga cernua Linnaeus
Saxifraga oppositifolia Linnaeus
Saxifraga paniculata subsp. neogaea (Butters) D. Löve
Saxifraga pensylvanica Linnaeus
Saxifraga pensylvanica f. fultior Fernald
Saxifraga rivularis Linnaeus
Saxifraga virginiensis Michaux
Saxifraga virginiensis f. glomerulata Fernald
Tiarella cordifolia Linnaeus
SCHEUCHZERIACEAE
Scheuchzeria palustris Linnaeus
Scheuchzeria palustris var. americana Fernald
SCHIZAEACEAE
Lygodium palmatum (Bernhardi) Swartz
Schizaea pusilla Pursh
SCROPHULARIACEAE
Diplacus brevipes (Bentham) G. L. Nesom
Erythranthe guttata (de Candolle) G. L. Nesom
Erythranthe moschata (Douglas ex Lindley) G. L. Nesom
Glossostigma cleistanthum W. R. Barker
Limosella australis R. Brown
Lindernia anagallidea (Michaux) Pennell
Lindernia dubia (Linnaeus) Pennell
Lindernia dubia var. anagallidea (Michaux) Cooperrider
Mazus miquelii Makino
Mazus pumilus (N. L. Burman) Steenis
Mimulus alatus Aiton
Mimulus moschatus Douglas ex Lindley
Mimulus ringens Linnaeus
Paulownia tomentosa (Thunberg) Steudel
Scrophularia lanceolata Pursh
Scrophularia marilandica Linnaeus
Scrophularia nodosa Linnaeus
Verbascum blattaria Linnaeus
Verbascum blattaria f. albiflora (G. Don) House
Verbascum lychnitis Linnaeus
Verbascum lychnitis ×thapsus Linnaeus
Verbascum nigrum Linnaeus
Verbascum phlomoides Linnaeus
Verbascum speciosum Schrader
Verbascum thapsus Linnaeus
SELAGINELLACEAE
Selaginella apoda (Linnaeus) C. Morren
Selaginella rupestris (Linnaeus) Spring
Selaginella selaginoides (Linnaeus) P. Beauvois ex Schrank & Martius
SIMAROUBACEAE
Ailanthus altissima (Miller) Swingle
SMILACACEAE
Smilax glauca Walter
Smilax glauca var. leurophylla S. F. Blake
Smilax herbacea Linnaeus
Smilax rotundifolia Linnaeus
SOLANACEAE
Browallia americana Linnaeus
Datura fatula Linnaeus
Datura inoxia Miller
Datura stramonium Linnaeus
Hyoscyamus niger Linnaeus
Lycium barbarum Linnaeus
Lycium chinense Miller
Lycopersicon esculentum Miller
Nicandra physalodes (Linnaeus) Gaertner
Nicotiana Linnaeus
Nicotiana alata Link & Otto
Nicotiana bigelovii (Torrey) S. Watson
Nicotiana longiflora Cavanilles
Nicotiana rustica Linnaeus
Nicotiana tabacum Linnaeus
Nicotiana ×sanderae W. Watson
Petunia axillaris (Lamarck) Britton, Sterns & Poggenburg
Petunia integrifolia (Hooker) Schinz & Thellung
Petunia ×atkinsiana (Sweet) D. Don ex W. H. Baxter
Physalis alkekengi Linnaeus
Physalis angulata Linnaeus
Physalis grisea (Waterfall) M. Martínez
Physalis heterophylla Nees
Physalis longifolia Nuttall
Physalis longifolia var. subglabrata (Mackenzie & Bush) Cronquist
Physalis maritima M. A. Curtis
Physalis missouriensis Mackenzie & Bush
Physalis peruviana Linnaeus
Physalis philadelphica Lamarck
Physalis philadelphica var. immaculata Waterfall
Physalis pruinosa Linnaeus
Physalis pubescens Linnaeus
Physalis pubescens var. grisea Waterfall
Physalis pubescens var. integrifolia (Dunal) Waterfall
Physalis virginiana Miller
Schizanthus pinnatus Ruiz & Pavon
Solanum carolinense Linnaeus
Solanum citrullifolium A. Braun
Solanum dulcamara Linnaeus
Solanum dulcamara f. albiflorum House
Solanum dulcamara var. villosissimum Desvaux
Solanum emulans Rafinesque
Solanum lycopersicum Linnaeus
Solanum lycopersicum var. cerasiforme (Alefeld) Voss
Solanum melongena Linnaeus
Solanum nigrum Linnaeus
Solanum nigrum-2 Hassler
Solanum nitidibaccatum Bitter
Solanum pseudocapsicum Linnaeus
Solanum ptycanthum Dunal
Solanum ptychanthum Dunal
Solanum rostratum Dunal
Solanum sarrachoides Sendtner
Solanum sisymbriifolium Lamarck
Solanum triflorum Nuttall
Solanum tuberosum Linnaeus
Solanum villosum (Linnaeus) Miller
SPARGANIACEAE
Sparganium americanum Nuttall
Sparganium androcladum (Engelmann) Morong
Sparganium angustifolium Michaux
Sparganium emersum Rehmann
Sparganium emersum subspecies acaule (Beeby ex Macoun) A. Haines
Sparganium eurycarpum Engelmann
Sparganium fluctuans (Morong) B. L. Robinson
Sparganium natans Linnaeus
SPHAGNACEAE
Sphagnum warnstorfii versicolor
STAPHYLEACEAE
Staphylea trifolia Linnaeus
STYRACACEAE
Halesia carolina Linnaeus
SYMPLOCACEAE
Symplocos paniculata (Thunberg) Miquel
TAMARICACEAE
Tamarix parviflora de Candolle
TAXACEAE
Taxus canadensis Marshall
Taxus cuspidata Siebold & Zuccarini
TAXODIACEAE
Metasequoia glyptostroboides Hu & W. C. Cheng
Taxodium distichum (Linnaeus) Richard
TETRAGONIACEAE
Tetragonia tetragonioides (Pallas) Kuntze
THELYPTERIDACEAE
Parathelypteris noveboracensis (Linnaeus) Ching
Parathelypteris simulata (Davenport) Holttum
Phegopteris connectilis (Michaux) Watt
Phegopteris excelsior N. R. Patel & A. V. Gilman
Phegopteris hexagonoptera (Michaux) Fée
Thelypteris noveboracensis (Linnaeus) Nieuwland
Thelypteris palustris Schott
Thelypteris palustris var. pubescens (G. Lawson) Fernald
Thelypteris simulata (Davenport) Nieuwland
THYMELAEACEAE
Daphne mezereum Linnaeus
Dirca palustris Linnaeus
TILIACEAE
Tilia americana Linnaeus
Tilia americana var. heterophylla (Ventenat) Loudon
Tilia cordata Miller
Tilia neglecta Spach
Tilia petiolaris de Candolle
Tilia platyphyllos Scopoli
Tilia ×europaea Linnaeus
TRILLIACEAE
Medeola virginiana Linnaeus
TROPAEOLACEAE
Tropaeolum majus Linnaeus
TYPHACEAE
Typha angustifolia Linnaeus
Typha latifolia Linnaeus
Typha ×glauca Godron
ULMACEAE
Celtis occidentalis Linnaeus
Celtis occidentalis f. neglecta F. Seymour
Ulmus americana Linnaeus
Ulmus americana f. laevior Fernald
Ulmus glabra Hudson
Ulmus procera Salisbury
Ulmus pumila Linnaeus
Ulmus rubra Muhlenberg
Zelkova serrata (Thunberg) Makino
UMBILICARIACEAE
URTICACEAE
Boehmeria cylindrica (Linnaeus) Swartz
Boehmeria cylindrica f. cuneata F. Seymour
Laportea canadensis (Linnaeus) Weddell
Parietaria hespera B. D. Hinton
Parietaria judaica Linnaeus
Parietaria pensylvanica Muhlenberg ex Willdenow
Pilea fontana (Lunell) Rydberg
Pilea pumila (Linnaeus) A. Gray
Urtica dioica Linnaeus
Urtica dioica subsp. gracilis (Aiton) Selander
Urtica dioica subsp. gracilis (Aiton) Solander
Urtica urens Linnaeus
VALERIANACEAE
Valeriana officinalis Linnaeus
Valeriana uliginosa (Torr. & A. Gray) Rydb.
Valerianella intermedia Dyal
Valerianella locusta (L.) Lat.
Valerianella radiata (Linnaeus) Dufresne
VERBENACEAE
Glandularia canadensis (Linnaeus) Nuttall
Verbena bonariensis Linnaeus
Verbena bracteata Lagasca & Rodriguez
Verbena hastata Linnaeus
Verbena hastata forma rosea R. H. Cheney
Verbena hispida (Ruiz & Pavon) Ruiz & Pavon
Verbena officinalis Linnaeus
Verbena simplex Lehmann
Verbena stricta Ventenat
Verbena urticifolia Linnaeus
Verbena urticifolia var. leiocarpa L. M. Perry & Fernald
Verbena ×engelmannii Moldenke
Verbena ×rydbergi Moldenke
VIOLACEAE
Hybanthus concolor (T. F. Forster) Sprengel
Viola Linnaeus
Viola adunca Smith
Viola affinis Leconte
Viola arvensis Murray
Viola blanda Willdenow
Viola brittoniana Pollard
Viola canadensis Linnaeus
Viola cucullata Aiton
Viola japonica Langsdorff ex Gingins
Viola labradorica Schrank
Viola lanceolata Linnaeus
Viola macloskeyi F. E. Lloyd
Viola nephrophylla Greene
Viola notabilis E.P. Bicknell (pro sp.)
Viola novae-angliae House
Viola odorata Linnaeus
Viola pallens (Banks ex Gingins) Brainerd
Viola palmata Linnaeus
Viola palustris Linnaeus
Viola pectinata E. P. Bicknell
Viola pedata Linnaeus
Viola primulifolia Linnaeus
Viola primulifolia var. acuta (Bigelow) Torr. & A. Gray
Viola pubescens Aiton
Viola pubescens var. scabriuscula Schweinitz ex Torrey & A. Gray
Viola renifolia A. Gray
Viola rostrata Pursh
Viola rotundifolia Michaux
Viola sagittata Aiton
Viola sagittata var. ovata (Nuttall) Torrey & A. Gray
Viola sagittata ×sororia Greene (pro sp.)
Viola selkirkii Pursh
Viola sororia Willdenow
Viola striata Aiton
Viola subsinuata (Greene) Greene
Viola tricolor Linnaeus
Viola triloba Schweinitz
Viola × bissellii
Viola ×bissellii House
Viola ×conjugens Greene
Viola ×fernaldii House
Viola ×greenmanii House
Viola ×hollickii House
Viola ×insessa House
Viola ×insolita House
Viola ×mistura House (pro sp.)
Viola ×mulfordiae Pollard (pro sp.)
Viola ×notabilis E. P. Bicknell (pro sp.)
Viola ×populifolia Greene
Viola ×porteriana Pollard (pro sp.)
Viola ×ryoniae House
Viola ×subaffinis House
Viola ×subsinuata (Greene) Greene (pro sp.)
VITACEAE
Ampelopsis glandulosa (Wallich) Momiyama
Ampelopsis glandulosa var. brevipedunculata (Maximowicz) Momiyama
Parthenocissus Planchon
Parthenocissus quinquefolia (Linnaeus) Planchon
Parthenocissus tricuspidata Planchon
Parthenocissus vitacea (Knerr) Hitchcock
Parthenocissus vitaceae (Knerr) A. S. Hitchc.
Vitis Linnaeus
Vitis aestivalis Michaux
Vitis aestivalis var. argentifolia (Munson) Fernald
Vitis aestivalis var. bicolor Deam
Vitis labrusca Linnaeus
Vitis labrusca f. alba (Prince) Fernald
Vitis novae-angliae Fernald (pro sp.)
Vitis riparia Michaux
Vitis vinifera Linnaeus
Vitis vulpina Linnaeus
Vitis ×novae-angliae Fernald
WOODSIACEAE
Woodsia alpina (Bolton) Gray
Woodsia glabella R. Brown
Woodsia ilvensis (Linnaeus) R. Brown
Woodsia obtusa (Sprengel) Torrey
Woodsia ×gracilis (G. Lawson) Butters
XYRIDACEAE
Xyris caroliniana Walter
Xyris difformis Chapman
Xyris montana Ries
Xyris smalliana Nash
Xyris torta Smith
ZOSTERACEAE
Zostera marina Linnaeus
Zostera marina var. stenophylla Asch. & Graebn.
Family Not Defined
Umbilicaria dillenii
[bad data, blank import]
Carex canescens subspecies disjuncta
Carex × hartii