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Wisconsin State Herbarium
Wisflora - Vascular Plant Species
University of Wisconsin - Madison
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WISFLORA: Vascular Plant Species
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County: Clark
Family: Aceraceae
Genus: Acer
Acer negundo L.
ash-leaved maple, box elder
Acer rubrum L. var. rubrum
*+
red maple
Acer rubrum L. f. tomentosum (Desf.) Dans.
Acer rubrum L. var. tomentosum Tausch
Acer stenocarpum Britton
Rufacer rubrum (L.) Small
Acer saccharinum L.
*+
silver maple, soft maple
Acer dasycarpum Ehrh.
Acer saccharinum L. f. ahlesii A.Murray
Acer saccharinum L. var. laciniatum Pax
Acer saccharinum L. var. wieri Rehder
Argentacer saccharinum (L.) Small
Acer saccharum Marshall var. saccharum
*+
hard maple, sugar maple
Acer nigrum F.Michx. var. glaucum (F.Schmidt) Fosberg
Acer nigrum F.Michx. var. saccharophorum (K.Koch) R.T.Clausen
Acer saccharinum Wangenh. var. glaucum F.Schmidt
Acer saccharum Marshall f. glaucum (F.Schmidt) Pax
Acer saccharum Marshall subsp. saccharum
Acer saccharum Marshall var. glaucum (F.Schmidt) Sarg.
Acer saccharophorum K.Koch
Saccharodendron saccharum (Marshall) Moldenke
Acer spicatum Lam.
*+
mountain maple
Family: Agavaceae
Family: Alismataceae
Genus: Alisma
Alisma subcordatum Raf.
*+
American water-plantain, common water-plantain, southern water-plantain
Alisma parviflorum Pursh
Alisma plantago-aquatica L. subsp. subcordatum
Alisma plantago-aquatica L. var. parviflorum (Pursh) Torr.
Genus: Sagittaria
Sagittaria latifolia Willd.
*+
broad-leaved arrowhead, common arrowhead, duck-potato, wapato
Sagittaria chinensis Pursh
Sagittaria esculenta T.J.Howell
Sagittaria latifolia Willd. f. gracilis (Pursh) B.L.Rob.
Sagittaria latifolia Willd. f. hastata (Pursh) B.L.Rob.
Sagittaria latifolia Willd. var. latifolia
Sagittaria latifolia Willd. var. obtusa (Muhl. ex Willd.) Wiegand
Sagittaria latifolia Willd. var. pubescens (Muhl. ex Nutt.) J.G.Sm.
Sagittaria obtusa Muhl. ex Willd., non Thunb.
Sagittaria ornithorhyncha Small
Sagittaria planipes Fernald
Sagittaria variabilis Engelm. var. obtusa (Muhl. ex Willd.) Engelm.
Sagittaria viscosa C.Mohr, pro parte
Sagittaria rigida Pursh
*+
sessile-fruited arrowhead, stiff arrowhead
Sagittaria heterophylla Pursh
Sagittaria heterophylla Pursh f. elliptica (Engelm.) S.F.Blake
Sagittaria heterophylla Pursh f. fluitans (Engelm.) S.F.Blake
Sagittaria heterophylla Pursh f. rigida (Pursh) S.F.Blake
Sagittaria rigida Pursh f. elliptica (Engelm.) Fernald
Sagittaria rigida Pursh f. fluitans (Engelm.) Fernald
Family: Amaranthaceae
Genus: Amaranthus
Amaranthus retroflexus L.
*+
common amaranth, pigweed, redroot, rough amaranth, rough pigweed, wild-beet amaranth
Amaranthus retroflexus L. var. salicifolius I.M.Johnst.
Family: Anacardiaceae
Genus: Rhus
Rhus glabra L.
*+
smooth sumac
Rhus borealis Greene
Rhus calophylla Greene
Rhus glabra L. var. laciniata Carričre
Rhus glabra L. var. occidentalis Torr.
Rhus hirta (L.) Sudw.
*+
staghorn sumac, velvet sumac
Datisca hirta L.
Rhus typhina L.
Rhus typhina L. f. dissecta Rehder
Rhus typhina L. var. laciniata A.W.Wood
Rhus X pulvinata Greene (pro sp.) X
+
hybrid sumac, northern sumac, pulvinate sumac
Rhus glabra L. var. borealis Britton
Rhus pulvinata Greene
Rhus X borealis (Britton) Gleason (emended) X
Genus: Toxicodendron
Toxicodendron radicans (L.) Kuntze subsp. negundo
*+
common eastern poison-ivy, poison-ivy
Toxicodendron negundo Greene
Toxicodendron radicans (L.) Kuntze var. negundo (Greene) Reveal
Toxicodendron rydbergii (Small ex Rydb.) Greene
*+
Rydberg's poison-ivy, western poison-ivy
Rhus radicans L. var. rydbergii (Small ex Rydb.) Rehder
Rhus radicans L. var. vulgaris (Michx.) DC.
Rhus rydbergii Small ex Rydb. (pro parte)
Rhus toxicodendron L. var. vulgaris Michx.
Toxicodendron desertorum Lunell
Toxicodendron fothergilloides Lunell
Toxicodendron radicans (L.) Kuntze var. rydbergii (Small ex Rydb.) Erskine
Family: Apiaceae
Genus: Carum
Carum carvi L.
*+
caraway
Carum velenovskyi Rohlena
Genus: Cicuta
Cicuta maculata L.
*+
common water-hemlock, spotted water-hemlock
Genus: Cryptotaenia
Cryptotaenia canadensis (L.) DC.
*+
Canadian honewort, white chervil
Deringa canadensis (L.) Kuntze
Genus: Osmorhiza
Osmorhiza claytonii (Michx.) C.B.Clarke
*+
bland sweet cicely, Clayton's sweet-root, hairy sweet cicely
Myrrhis claytonii Michx.
Osmorhiza aristata (Thunb.) Makino var. brevistylis (DC.) B.Boivin
Osmorhiza brevistylis DC.
Washingtonia claytonii (Michx.) Britton
Osmorhiza longistylis (Torr.) DC.
*+
anise-root, long-styled sweet cicely, long-styled sweet-root, smooth sweet cicely
Myrrhis longistylis Torr.
Osmorhiza aristata (Thunb.) Makino var. longistylis (Torr.) B.Boivin
Osmorhiza longistylis (Torr.) DC. var. brachycoma S.F.Blake
Osmorhiza longistylis (Torr.) DC. var. imbarbata Salamun
Osmorhiza longistylis (Torr.) DC. var. villicaulis Fernald
Washingtonia longistylis (Torr.) Britton
Genus: Sanicula
Sanicula canadensis L.
+
Canadian black snakeroot, Canadian sanicle
Sanicula canadensis L. var. grandis Fernald
Sanicula gregaria E.P.Bicknell
*+
clustered black snakeroot
Sanicula odorata (Raf.) K.M.Pryer & L.R.Phillippe
Triclinium odoratum Raf.
Sanicula marilandica L.
*+
black snakeroot, Maryland sanicle
Sanicula marilandica L. var. petiolulata Fernald
Sanicula trifoliata E.P.Bicknell
+
beaked sanicle, large-fruited black snakeroot
Genus: Thaspium
Thaspium chapmanii (J.M.Coult. & Rose) Small
*+
hairy meadow-parsnip, hairy-jointed meadow-parsnip
Thaspium barbinode (Michx.) Nutt. var. chapmanii J.M.Coult. & Rose
Genus: Zizia
Zizia aurea (L.) W.D.J.Koch
*+
common golden alexanders, golden alexanders, golden zizia
Smyrnium aureum L.
Family: Apocynaceae
Genus: Apocynum
Apocynum androsaemifolium L.
*+
spreading dogbane
Apocynum androsaemifolium L. var. incanum A.DC. subsp. androsaemifolium
Apocynum pumilum (A.Gray) Greene var. rhomboideum (Greene) Bég. & Bél.
Apocynum scopulorum Greene ex Rydb.
Apocynum X floribundum Greene (pro sp.) X
+
hybrid dogbane, intermediate dogbane
Apocynum jonesii Woodson
Apocynum medium Greene
Apocynum medium Greene var. floribundum (Greene) Woodson
Apocynum medium Greene var. leuconeuron (Greene) Woodson
Apocynum medium Greene var. lividum (Greene) Woodson
Apocynum medium Greene var. sarniense (Greene) Woodson
Apocynum medium Greene var. vestitum (Greene) Woodson
Apocynum milleri Britton
Family: Aquifoliaceae
Genus: Ilex
Ilex mucronata (L.) M.Powell, V.Savolainen & S.Andrews
*+
cat-berry, mountain holly
Nemopanthus mucronatus (L.) Loes.
Vaccinium mucronatum L.
Ilex verticillata (L.) A.Gray
*+
common winterberry
Ilex bronxensis Britton
Ilex fastigiata E.P.Bicknell
Ilex verticillata (L.) A.Gray subsp. tenuifolia
Ilex verticillata (L.) A.Gray var. cyclophylla B.L.Rob.
Ilex verticillata (L.) A.Gray var. fastigiata (E.P.Bicknell) Fernald
Ilex verticillata (L.) A.Gray var. padifolia (Willd.) Torr. & A.Gray ex S.Watson
Ilex verticillata (L.) A.Gray var. tenuifolia (Torr.) S.Watson
Ilex verticillata (L.) A.Gray var. verticillata
Prinos padifolius Willd.
Prinos verticillatus L.
Prinos verticillatus L. var. tenuifolius Torr.
Family: Araceae
Genus: Arisaema
Arisaema triphyllum (L.) Schott subsp. triphyllum
*+
Indian turnip, Jack-in-the-pulpit
Arisaema atrorubens (Aiton) Blume
Arisaema atrorubens (Aiton) Blume f. viride (Engl.) Fernald
Arisaema atrorubens (Aiton) Blume f. zebrinum (Sims.) Fernald
Arisaema triphyllum (L.) Schott f. viride (Engl.) Farw.
Arisaema triphyllum (L.) Schott var. triphyllum
Family: Araliaceae
Genus: Aralia
Aralia hispida Vent.
*+
bristly sarsaparilla
Aralia nudicaulis L.
*+
wild sarsaparilla
Genus: Panax
Panax quinquefolius L.
*+
American ginseng, ginseng
Panax trifolius L.
*+
dwarf ginseng, groundnut
Family: Aristolochiaceae
Genus: Asarum
Asarum canadense L.
*+
Canadian wild-ginger, wild-ginger
Asarum acuminatum (Ashe) E.P.Bicknell
Asarum canadense L. var. acuminatum Ashe
Asarum canadense L. f. prattii Fassett var. acuminatum Ashe
Asarum canadense L. var. ambiguum (E.P.Bicknell) Farw.
Asarum canadense L. var. canadense
Asarum canadense L. var. reflexum (E.P.Bicknell) B.L.Rob.
Asarum reflexum E.P.Bicknell
Asarum reflexum E.P.Bicknell var. ambiguum E.P.Bicknell
Asarum rubrocinctum Peattie
Family: Asclepiadaceae
Genus: Asclepias
Asclepias incarnata L. subsp. incarnata
*+
swamp milkweed
Asclepias incarnata L. var. incarnata
Asclepias syriaca L.
*+
common milkweed, silkweed
Asclepias intermedia Vail
Asclepias kansana Vail
Asclepias syriaca L. var. kansana (Vail) E.J.Palmer & Steyerm.
Family: Aspleniaceae
Genus: Asplenium
Asplenium rhizophyllum L.
*+
walking fern
Camptosorus rhizophyllus (L.) Link
Family: Asteraceae
Genus: Achillea
Achillea millefolium L. subsp. lanulosa
+
common yarrow, milfoil
Achillea angustissima Rydb.
Achillea aspleniifolia auct. non Vent.
Achillea eradiata Piper
Achillea gracilis Raf.
Achillea lanulosa Nutt.
Achillea lanulosa Nutt. f. peroutkyi F.C.Seymour
Achillea lanulosa Nutt. f. rubicunda Farw.
Achillea lanulosa Nutt. subsp. typica
Achillea lanulosa Nutt. var. arachnoidea Lunell
Achillea lanulosa Nutt. var. eradiata (Piper) M.Peck
Achillea laxiflora Pollard & Cockerell
Achillea millefolium L. f. rubicunda Farw. subsp. lanulosa
Achillea millefolium L. subsp. occidentalis
Achillea millefolium L. subsp. pallidotegula
Achillea millefolium L. var. aspleniifolia (Vent.) Farw.
Achillea millefolium L. var. gracilis Raf. ex DC.
Achillea millefolium L. var. lanulosa (Nutt.) Piper
Achillea millefolium L. var. occidentalis DC.
Achillea millefolium L. var. rosea (Desf.) Torr. & A.Gray
Achillea millefolium L. var. russeolata B.Boivin
Achillea occidentalis (DC.) Raf. ex Rydb.
Achillea rosea Desf.
Achillea tomentosa Pursh, non L.
Genus: Ambrosia
Ambrosia artemisiifolia L.
*+
annual bur-sage, common ragweed, short ragweed
Ambrosia artemisiifolia L. var. elatior (L.) Descourt.
Ambrosia artemisiifolia L. f. villosa Fernald & Griscom var. elatior (L.) Descourt.
Ambrosia elatior L.
Ambrosia media Rydb.
Ambrosia trifida L. var. trifida
*+
giant ragweed, great ragweed, horse-cane
Ambrosia integrifolia Muhl. ex Willd.
Ambrosia striata Rydb.
Ambrosia trifida L. var. integrifolia (Muhl. ex Willd.) Torr. & A.Gray
Ambrosia variabilis Rydb.
Genus: Anaphalis
Anaphalis margaritacea (L.) Benth. & Hook.f.
*+
pearly everlasting, western pearly everlasting
Anaphalis margaritacea (L.) Benth. & Hook.f. subsp. angustior
Anaphalis margaritacea (L.) Benth. & Hook.f. var. angustior (Miq.) Nakai
Anaphalis margaritacea (L.) Benth. & Hook.f. var. intercedens Hara
Anaphalis margaritacea (L.) Benth. & Hook.f. var. occidentalis Greene
Anaphalis margaritacea (L.) Benth. & Hook.f. var. revoluta Suksd.
Anaphalis margaritacea (L.) Benth. & Hook.f. var. subalpina A.Gray
Anaphalis occidentalis (Greene) Heller
Antennaria cinnamomea C.B.Clarke var. angustior Miq.
Gnaphalium margaritaceum L.
Genus: Antennaria
Antennaria howellii Greene subsp. neodioica
+
field pussy-toes, Howell's pussy-toes
Antennaria neglecta Greene var. attenuata (Fernald) Cronquist
Antennaria neglecta Greene var. neodioica (Greene) Cronquist
Antennaria neodioica Greene
Antennaria neodioica Greene subsp. neodioica
Antennaria neodioica Greene var. attenuata Fernald
Antennaria neodioica Greene var. chlorophylla Fernald
Antennaria neodioica Greene var. grandis Fernald
Antennaria neodioica Greene var. interjecta Fernald
Antennaria neodioica Greene var. typica Fernald
Antennaria rhodantha Fernald
Antennaria rupicola Fernald
Antennaria russellii B.Boivin
Antennaria howellii Greene subsp. petaloidea
+
Howell's pussy-toes, small pussy-toes
Antennaria appendiculata Fernald
Antennaria concolor Piper
Antennaria neglecta Greene var. petaloidea (Fernald) Cronquist
Antennaria neglecta Greene var. subcorymbosa Fernald
Antennaria neodioica Greene subsp. petaloidea
Antennaria neodioica Greene var. petaloidea Fernald
Antennaria petaloidea Fernald
Antennaria petaloidea (Fernald) Fernald var. noveboracensis Fernald
Antennaria petaloidea (Fernald) Fernald var. scariosa Fernald
Antennaria petaloidea (Fernald) Fernald var. subcorymbosa (Fernald) Fernald
Antennaria stenolepis Greene
Antennaria neglecta Greene
*+
cat's-foot, field pussy-toes
Antennaria angustiarum Lunell
Antennaria athabascensis Greene
Antennaria campestris Rydb.
Antennaria campestris Rydb. var. athabascensis (Greene) B.Boivin
Antennaria chelonica Lunell
Antennaria erosa Greene
Antennaria howellii Greene var. athabascensis (Greene) B.Boivin
Antennaria howellii Greene var. campestris (Rydb.) B.Boivin
Antennaria longifolia Greene
Antennaria lunellii Greene
Antennaria nebraskensis Greene
Antennaria neglecta Greene var. athabascensis (Greene) Roy L.Taylor & MacBryde
Antennaria neglecta Greene var. campestris (Rydb.) Steyerm.
Antennaria neglecta Greene var. neglecta
Antennaria parvula Greene
Antennaria wilsonii Greene
Antennaria parlinii Fernald subsp. fallax
+
Parlin's pussy-toes, plantain pussy-toes
Antennaria ambigens (Greene) Fernald
Antennaria ampla Bush
Antennaria arkansana Greene
Antennaria arnoglossa Greene var. ambigens Greene
Antennaria bifrons Greene
Antennaria brainerdii Greene
Antennaria calophylla Greene
Antennaria fallax Greene
Antennaria fallax Greene var. calophylla (Greene) Fernald
Antennaria farwellii Greene
Antennaria greenei Bush
Antennaria mesochora Greene
Antennaria munda Fernald
Antennaria obovata E.E.Nelson
Antennaria occidentalis Greene
Antennaria parlinii Fernald var. ambigens (Greene) Fernald
Antennaria parlinii Fernald var. farwellii (Greene) B.Boivin
Antennaria plantaginifolia (L.) Richardson var. ambigens (Greene) Cronquist
Antennaria umbellata Greene
Genus: Arnoglossum
Arnoglossum plantagineum Raf.
*+
prairie Indian-plantain
Cacalia paniculata Raf.
Cacalia plantaginea (Raf.) Shinners
Cacalia pteranthes Raf.
Cacalia tuberosa Nutt.
Mesadenia tuberosa (Nutt.) Britton
Genus: Artemisia
Artemisia campestris L. subsp. caudata
*+
field sage-wort, field wormwood
Artemisia campestris L. var. caudata (Michx.) E.J.Palmer & Steyerm.
Artemisia caudata Michx.
Artemisia caudata Michx. var. calvens Lunell
Artemisia forwoodii S.Watson
Oligosporus campestris (L.) Cass. subsp. caudatus
Artemisia dracunculus L.
*+
dragon sage-wort, dragon wormwood, estragon, false tarragon
Artemisia dracunculoides Pursh
Artemisia dracunculina S.Watson
Artemisia dracunculus L. subsp. dracunculus
Artemisia dracunculus L. subsp. dracunculina
Artemisia dracunculus L. subsp. glauca
Artemisia dracunculoides Pursh var. dracunculina (S.Watson) S.F.Blake
Artemisia dracunculus L. var. glauca (Pall. ex Willd.) Besser
Artemisia glauca Pall. ex Willd.
Artemisia glauca Pall. ex Willd. var. dracunculina (S.Watson) Fernald
Oligosporus dracunculus (L.) Poljakov
Oligosporus dracunculus (L.) Poljakov subsp. dracunculinus
Oligosporus dracunculus (L.) Poljakov subsp. glaucus
Genus: Aster
Aster ciliolatus Lindl.
*+
Lindley's aster, northern heart-leaved aster
Aster ciliolatus Lindl. var. ciliolatus
Aster lindleyanus Torr. & A.Gray
Aster saundersii E.S.Burgess
Symphyotrichum ciliolatum (Lindl.) A.Löve & D.Löve
Aster drummondii Lindl.
+
Drummond's aster, hairy heart-leaved aster
Aster drummondii Lindl. subsp. drummondii
Aster drummondii Lindl. var. drummondii
Aster drummondii Lindl. var. rhodactis Benke
Aster sagittifolius Wedem. ex Willd. var. drummondii (Lindl.) Shinners
Symphyotrichum drummondii (Lindl.) G.L.Nesom
Symphyotrichum drummondii (Lindl.) G.L.Nesom var. drummondii
Aster firmus Nees
*+
shining aster, shiny-leaved aster
Aster lucidulus (A.Gray) Wiegand
Aster lucidulus (A.Gray) Wiegand f. albiflorus (R.Hoffm.) Benke
Aster lucidulus (A.Gray) Wiegand f. firmus (Nees) Deam
Aster puniceus L. subsp. firmus
Aster puniceus L. var. firmus (Nees) Torr. & A.Gray
Aster puniceus L. f. lucidulus (A.Gray) Fernald var. firmus (Nees) Torr. & A.Gray
Aster puniceus L. var. lucidulus A.Gray
Symphyotrichum firmum (Nees) G.L.Nesom
Aster lanceolatus Willd. X A. lateriflorus (L.) Britton
+
Aster lateriflorus (L.) Britton X A. lanceolatus Willd.
Aster lateriflorus (L.) Britton
*+
calico aster, goblet aster, side-flowering aster
Aster lateriflorus (L.) Britton var. glomerellus (Torr. & A.Gray) E.S.Burgess
Aster miser L. var. glomerellus Torr. & A.Gray
Aster lateriflorus (L.) Britton var. hirsuticaulis (Lindl. ex DC.) Porter
+
calico aster, goblet aster, side-flowering aster
Aster acadiensis Shinners
Aster hirsuticaulis Lindl. ex DC.
Aster lateriflorus (L.) Britton var. tenuipes Wiegand
Aster tradescantii L.
Aster tradescantii L. var. saxatilis (Fernald) House
Aster vimineus Lam. var. saxatilis Fernald
Symphyotrichum lateriflorum (L.) A.Löve & D.Löve var. hirsuticaule (Lindl. ex DC.) G.L.Nesom
Symphyotrichum lateriflorum (L.) A.Löve & D.Löve var. tenuipes (Wiegand) G.L.Nesom
Symphyotrichum tradescantii (L.) G.L.Nesom
Aster macrophyllus L.
*+
big-leaved aster, large-leaved aster
Aster ianthinus E.S.Burgess
Aster macrophyllus L. f. eglandulosus Shinners
Aster macrophyllus L. var. excelsior E.S.Burgess
Aster macrophyllus L. var. ianthinus (E.S.Burgess) Fernald
Aster macrophyllus L. var. macrophyllus
Aster macrophyllus L. var. pinguifolius E.S.Burgess
Aster macrophyllus L. var. sejunctus E.S.Burgess
Aster macrophyllus L. var. velutinus E.S.Burgess
Aster riciniatus E.S.Burgess
Aster roscidus E.S.Burgess
Aster violaris E.S.Burgess
Eurbia macrophylla (L.) Cass.
Aster novae-angliae L.
*+
New England aster
Aster novae-angliae L. f. geneseensis House
Aster novae-angliae L. f. rosarius House
Aster novae-angliae L. f. roseus (Desf.) Britton
Aster novae-angliae L. var. monocephalus Farw.
Aster roseus Desf.
Lasallea novae-angliae (L.) Semple & Brouillet
Symphyotrichum novae-angliae (L.) G.L.Nesom
Virgulus novae-angliae (L.) Reveal & Keener
Aster prenanthoides Muhl. ex Willd.
*+
crooked aster, crooked-stem aster, zigzag aster
Aster prenanthoides Muhl. ex Willd. f. milwaukeensis Benke
Symphyotrichum prenanthoides (Muhl. ex Willd.) G.L.Nesom
Aster umbellatus Mill. var. umbellatus
+
flat-top aster, parasol aster, tall flat-topped white aster
Doellingeria umbellata (Mill.) Nees
Doellingeria umbellata (Mill.) Nees var. umbellata
Genus: Bidens
Bidens cernuus L.
*+
nodding beggar-ticks, nodding bur-marigold
Bidens cernuus L. f. discoideus (Wimm. & Grab.) Briq. & Cavill.
Bidens cernuus L. f. minimus (Huds.) Larss.
Bidens cernuus L. var. dentatus (Nutt.) B.Boivin
Bidens cernuus L. var. ellipticus Wiegand
Bidens cernuus L. var. integrus Wiegand
Bidens cernuus L. var. minimus (Huds.) Pursh
Bidens cernuus L. var. oligodontus Fernald & H.St.John
Bidens cernuus L. var. radiatus DC.
Bidens glaucescens Greene
Bidens minimus Huds.
Bidens coronatus (L.) Britton
*+
northern tickseed-sunflower, tall swamp marigold
Bidens coronatus (L.) Britton var. brachyodontus Fernald
Bidens coronatus (L.) Britton var. tenuilobus (A.Gray) Sherff
Bidens coronatus (L.) Britton var. trichospermus (Michx.) Fernald
Bidens trichospermus (Michx.) Britton
Coreopsis trichosperma Michx.
Coreopsis trichosperma Michx. var. tenuiloba A.Gray
Bidens frondosus L.
*+
common beggar-ticks, devil's beggar-ticks
Bidens comosus (A.Gray) Wiegand X B. frondosus L.
Bidens frondosus L. f. anomalus (Porter ex Fernald) Fernald
Bidens frondosus L. var. anomalus Porter ex Fernald
Bidens frondosus L. var. caudatus Sherff
Bidens frondosus L. var. frondosus
Bidens frondosus L. var. pallidus Wiegand
Bidens frondosus L. var. puberulus Wiegand
Bidens frondosus L. var. stenodontus Fernald & H.St.John
Bidens vulgatus Greene
*+
big devil's beggar-ticks, tall beggar-ticks
Bidens puberulus Wiegand
Bidens vulgatus Greene f. puberulus (Wiegand) Fernald
Bidens vulgatus Greene var. puberulus (Wiegand) Greene
Bidens vulgatus Greene var. schizanthus Lunell
Bidens vulgatus Greene var. vulgatus
Genus: Callistephus
Callistephus chinensis (L.) Nees
*+
annual aster, china aster
Aster chinensis L.
Genus: Cichorium
Cichorium intybus L.
*+
blue-sailors, chicory
Cichorium intybus L. f. albiflorum Neuman
Cichorium intybus L. f. roseum Neuman
Genus: Cirsium
Cirsium discolor (Muhl. ex Willd.) Spreng.
*+
field thistle, pasture thistle, prairie thistle
Carduus discolor (Muhl. ex Willd.) Nutt.
Cirsium discolor (Muhl. ex Willd.) Spreng. f. albiflorum (Britton) House
Cirsium vulgare (Savi) Ten.
*+
bull thistle
Carduus lanceolatus L.
Carduus vulgaris Savi
Cirsium lanceolatum (L.) Scop., non Hill
Cirsium lanceolatum (L.) Scop. var. hypoleucum DC.
Genus: Conyza
Conyza canadensis (L.) Cronquist var. canadensis
*+
Canadian horseweed, fleabane, hogweed
Erigeron canadensis L.
Erigeron canadensis L. f. coloratus Fassett
Leptilon canadense (L.) Britton
Genus: Erigeron
Erigeron annuus (L.) Pers.
*+
annual fleabane, eastern daisy fleabane
Erigeron annuus (L.) Pers. f. discoideus Vict. & J.Rousseau
Erigeron annuus (L.) Pers. var. discoideus (Vict. & J.Rousseau) Cronquist
Erigeron strigosus Muhl. ex Willd. var. septentrionalis (Fernald & Wiegand) Fernald
+
daisy fleabane, prairie fleabane
Erigeron ramosus (Walter) Britton, Sterns & Poggenb. var. septentrionalis Fernald & Wiegand
Erigeron strigosus Muhl. ex Willd. subsp. septentrionalis
Stenactis annua (L.) Nees subsp. septentrionalis
Stenactis septentrionalis (Fernald & Wiegand) Holub
Erigeron strigosus Muhl. ex Willd. var. strigosus
+
daisy fleabane, prairie fleabane, rough fleabane
Doronicum ramosum Walter
Erigeron annuus (L.) Pers. subsp. strigosus
Erigeron ramosus (Walter) Britton, Sterns & Poggenb.
Erigeron strigosus Muhl. ex Willd. f. discoideus (Robbins ex A.Gray) Fernald
Erigeron strigosus Muhl. ex Willd. var. beyrichii (Fisch. & C.A.Mey.) Torr & A.Gray
Erigeron strigosus Muhl. ex Willd. var. discoideus Robbins ex A.Gray
Erigeron strigosus Muhl. ex Willd. var. eligulatus Cronquist
Erigeron strigosus Muhl. ex Willd. var. typicus Cronquist
Erigeron traversii Shinners
Stenactis annua (L.) Nees subsp. strigosa
Stenactis beyrichii Fisch. & C.A.Mey.
Stenactis strigosa (Muhl. ex Willd.) DC.
Genus: Eupatorium
Eupatorium maculatum L.
*+
spotted Joe-Pye-weed
Eupatorium maculatum L. var. maculatum subsp. maculatum
+
spotted Joe-Pye-weed
Eupatorium maculatum L. var. maculatum
Eupatoriadelphus maculatus (L.) R.M.King & H.Rob.
Eupatorium perfoliatum L. var. perfoliatum
*+
boneset, common boneset, thoroughwort
Eupatorium perfoliatum L. f. perfoliatum
Eupatorium perfoliatum L. f. purpureum Britton
Eupatorium perfoliatum L. f. trifolium Fassett
Eupatorium perfoliatum L. f. truncatum (Muhl. ex Willd.) Fassett
Eupatorium rugosum Houtt. var. rugosum
*+
white snakeroot
Ageratina altissima (L.) R.M.King & H.Rob.
Ageratum altissimum L., non Eupatorium altissimum L.
Ageratina altissima (L.) R.M.King & H.Rob. var. altissima
Eupatorium rugosum Houtt. var. chlorolepis Fernald
Eupatorium rugosum Houtt. var. tomentellum (B.L.Rob.) S.F.Blake
Eupatorium rugosum Houtt. var. villicaule (Fernald) S.F.Blake
Eupatorium urticaefolium Reichard
Eupatorium urticaefolium Reichard var. tomentellum B.L.Rob.
Genus: Euthamia
Euthamia graminifolia (L.) Nutt. var. graminifolia
*+
common flat-topped goldenrod, grass-leaved goldenrod
Chrysocoma graminifolia L.
Euthamia floribunda Greene
Euthamia graminifolia (L.) Nutt. var. nuttallii (Greene) W.Stone
Euthamia nuttallii Greene
Solidago graminifolia (L.) Salisb.
Solidago graminifolia (L.) Salisb. var. graminifolia
Solidago graminifolia (L.) Salisb. var. nuttallii (Greene) Fernald
Solidago graminifolia (L.) Salisb. var. polycephala (Fernald) Fernald
Solidago graminifolia (L.) Salisb. var. typica Rosend. & Cronquist
Solidago hirtella (Greene) Bush
Solidago nuttallii (Greene) Bush
Solidago polycephala Fernald
Genus: Gnaphalium
Gnaphalium obtusifolium L. var. obtusifolium
*+
cat's-foot, fragrant cudweed, old-field-balsam, old-field cudweed, rabbit-tobacco
Pseudognaphalium obtusifolium (L.) Hilliard & B.L.Burtt
Pseudognaphalium obtusifolium (L.) Hilliard & B.L.Burtt subsp. obtusifolium
Gnaphalium uliginosum L.
*+
low cudweed, marsh cudweed
Filaginella uliginosa (L.) Opiz
Genus: Helenium
Helenium autumnale L. var. autumnale
*+
common sneezeweed
Helenium altissimum Link
Helenium autumnale L. var. canaliculatum (Lam.) Torr. & A.Gray
Helenium canaliculatum Lam.
Helenium latifolium Mill.
Genus: Helianthus
Helianthus decapetalus L.
+
forest sunflower, pale sunflower, thin-leaved sunflower
Helianthus scrophulariifolius Britton
Helianthus tracheliifolius Mill.
Helianthus giganteus L.
*+
giant sunflower, swamp sunflower, tall sunflower
Helianthus alienus E.Watson
Helianthus borealis E.Watson
Helianthus exasperatus E.Watson
Helianthus giganteus L. subsp. alienus
Helianthus giganteus L. var. subtuberosus Britton
Helianthus membranaceus E.Watson
Helianthus nuttallii Torr. & A.Gray var. subtuberosus (Britton) B.Boivin
Helianthus subtuberosus (Britton) Britton
Helianthus validus E.Watson
Helianthus pauciflorus Nutt. subsp. subrhomboideus
+
few-leaved sunflower, stiff sunflower
Helianthus laetiflorus Pers. var. subrhomboideus (Rydb.) Fernald
Helianthus rigidus (Cass.) Desf. subsp. laetiflorus
Helianthus rigidus (Cass.) Desf. subsp. subrhomboideus
Helianthus rigidus (Cass.) Desf. var. subrhomboideus (Rydb.) Cronquist
Helianthus subrhomboideus Rydb.
Helianthus strumosus L.
*+
pale-leaved woodland sunflower, rough-leaved sunflower
Helianthus montanus E.Watson
Helianthus saxicola Small
Helianthus tuberosus L.
*+
Jerusalem-artichoke, woodland sunflower
Helianthus subcanescens (A.Gray) E.Watson
Helianthus tomentosus Michx.
Helianthus tuberosus L. var. subcanescens A.Gray
Helianthus X laetiflorus Pers. (pro sp.) X
*+
cheerful sunflower, hybrid prairie sunflower, mountain sunflower
Helianthus laetiflorus Pers.
Helianthus scaberrimus Elliott
Genus: Heliopsis
Heliopsis helianthoides (L.) Sweet var. helianthoides
+
false sunflower, ox-eye, smooth ox-eye, sunflower-everlasting
Buphthalmum helianthoides L.
Heliopsis helianthoides (L.) Sweet subsp. helianthoides
Heliopsis helianthoides (L.) Sweet var. scabra (Dunal) Fernald
+
false sunflower, ox-eye, sunflower-everlasting
Heliopsis helianthoides (L.) Sweet subsp. occidentalis
Heliopsis helianthoides (L.) Sweet subsp. scabra
Heliopsis helianthoides (L.) Sweet var. occidentalis (T.R.Fisher) Steyerm.
Heliopsis minor (Hook.) C.Mohr
Heliopsis scabra Dunal
Genus: Hieracium
Hieracium aurantiacum L.
*+
devil's-paintbrush, grim-the-collier, orange hawkweed, red daisy
Hieracium kalmii L.
*+
Canada hawkweed, Kalm's hawkweed
Hieracium canadense Michx.
Hieracium canadense Michx. var. canadense
Hieracium canadense Michx. var. fasciculatum (Pursh) Fernald
Hieracium columbianum Rydb.
Hieracium kalmii L. var. fasciculatum (Pursh) Lepage
Hieracium kalmii L. var. kalmii
Hieracium kalmii L. var. subintegrum (Lepage) Lepage
Hieracium scabriusculum Schwein. var. columbianum (Rydb.) Lepage
Hieracium umbellatum L. var. canadense (Michx.) Breitung
Hieracium umbellatum L. var. scabriusculum Farw.
Hieracium scabrum Michx.
*+
rough hawkweed, sticky hawkweed
Hieracium scabrum Michx. var. scabrum
Hieracium scabrum Michx. var. tonsum Fernald & H.St.John
Genus: Iva
Iva xanthifolia Nutt.
*+
bur-weed marsh-elder, giant sump-weed
Cyclachaena xanthifolia (Nutt.) Fresen.
Genus: Krigia
Krigia biflora (Walter) S.F.Blake subsp. biflora
+
false-dandelion, orange dwarf-dandelion
Adopogon virginicum (L.) Kuntze
Cynthia virginica (L.) D.Don
Hyoseris biflora Walter
Krigia amplexicaulis Nutt.
Krigia biflora (Walter) S.F.Blake var. biflora
Krigia biflora (Walter) S.F.Blake subsp. glandulifera
+
false-dandelion, orange dwarf-dandelion
Krigia biflora (Walter) S.F.Blake f. glandulifera Fernald
Genus: Lactuca
Lactuca canadensis L.
*+
Canada lettuce, tall lettuce, tall wild lettuce, wild lettuce
Lactuca canadensis L. var. canadensis
Lactuca canadensis L. var. integrifolia (Bigelow) Torr. & A.Gray
Lactuca canadensis L. var. latifolia Kuntze
Lactuca canadensis L. f. exauriculata Wiegand var. latifolia Kuntze
Lactuca canadensis L. var. longifolia (Michx.) Farw.
Lactuca canadensis L. f. angustipes (Wiegand) Farw. var. longifolia (Michx.) Farw.
Lactuca canadensis L. var. obovata Wiegand
Lactuca canadensis L. var. spinulosa Jenn.
Lactuca canadensis L. var. typica Wiegand
Lactuca canadensis L. f. angustipes Wiegand var. typica Wiegand
Lactuca sagittifolia Elliott
Genus: Leucanthemum
Leucanthemum vulgare Lam.
*+
common daisy, field daisy, marguerite, ox-eye daisy
Chrysanthemum leucanthemum L.
Chrysanthemum leucanthemum L. var. boecheri B.Boivin
Chrysanthemum leucanthemum L. var. pinnatifidum Lecoq & Lamotte
Leucanthemum leucanthemum (L.) Rydb.
Leucanthemum vulgare Lam. var. pinnatifidum (Lecoq & Lamotte) Moldenke
Genus: Liatris
Liatris aspera Michx.
*+
lacerate blazing-star, rough blazing-star, tall gay-feather
Lacinaria aspera (Michx.) Greene
Liatris aspera Michx. f. benkei (J.F.Macbr.) Fernald
Liatris aspera Michx. var. aspera
Liatris aspera Michx. var. intermedia (Lunell) Gaiser
Liatris aspera Michx. var. typica Gaiser
Liatris scariosa (L.) Willd. f. benkei J.F.Macbr.
Liatris pycnostachya Michx.
*+
prairie blazing-star, thick-spike blazing-star, thick-spike gay-feather
Lacinaria bebbiana Rydb.
Lacinaria pycnostachya (Michx.) Kuntze
Liatris pycnostachya Michx. f. hubrichti E.S.Anderson
Genus: Matricaria
Matricaria discoidea DC.
*+
pineapple-weed
Artemisia matricarioides Less.
Chamomilla suaveolens (Pursh) Rydb.
Lepidanthus suaveolens (Pursh) Nutt.
Lepidotheca suaveolens (Pursh) Nutt.
Matricaria matricarioides (Less.) Porter
Matricaria suaveolens (Pursh) Buchenau, non L.
Santolina suaveolens Pursh
Tanacetum suaveolens (Pursh) Hook.
Genus: Packera
Packera aurea (L.) A.Löve & D.Löve
*+
golden ragwort, heart-leaved groundsel
Senecio aureus L.
Senecio aureus L. var. aquilonius Fernald
Senecio aureus L. var. gracilis (Pursh) Hook.
Senecio aureus L. var. intercursus Fernald
Senecio gracilis Pursh
Genus: Polymnia
Polymnia canadensis L.
*+
pale-flowered leaf-cup, white-flowered leaf-cup
Polymnia canadensis L. f. radiata (A.Gray) Fassett
Polymnia canadensis L. var. radiata A.Gray
Polymnia radiata (A.Gray) Small
Genus: Prenanthes
Prenanthes alba L.
*+
lion's-foot, rattlesnake-root, white-lettuce
Nabalus albus (L.) Hook.
Prenanthes racemosa Michx.
*+
glaucous white-lettuce, purple rattlesnake-root
Nabalus racemosus (Michx.) DC.
Prenanthes racemosa Michx. subsp. multiflora
Prenanthes racemosa Michx. var. multiflora (Cronquist) Dorn
Prenanthes racemosa Michx. var. racemosa
Genus: Rudbeckia
Rudbeckia hirta L. var. pulcherrima Farw.
*+
black-eyed Susan
Rudbeckia bicolor Nutt.
Rudbeckia hirta L. var. corymbifera Fernald
Rudbeckia hirta L. var. lanceolata (Bisch.) Core
Rudbeckia hirta L. var. sericea (T.V.Moore) Fernald
Rudbeckia hirta L. var. serotina (Nutt.) Core
Rudbeckia lanceolata Bisch.
Rudbeckia longipes T.V.Moore
Rudbeckia serotina Nutt.
Rudbeckia sericea T.V.Moore
Rudbeckia serotina Nutt. var. corymbifera (Fernald) Fernald & B.G.Schub.
Rudbeckia serotina Nutt. var. lanceolata (Bisch.) Fernald & B.G.Schub.
Rudbeckia serotina Nutt. var. sericea (T.V.Moore) Fernald & B.G.Schub.
Rudbeckia laciniata L.
*+
cut-leaved coneflower, wild golden-glow
Rudbeckia laciniata L. var. laciniata
+
cut-leaved coneflower, wild golden-glow
Genus: Solidago
Solidago canadensis L. var. hargeri Fernald
+
Canadian goldenrod, Harger's goldenrod
Solidago canadensis L. var. gilvocanescens Rydb., misapplied
Solidago canadensis L. var. scabra Torr. & A.Gray
*+
Canadian goldenrod, common goldenrod, tall goldenrod
Solidago altissima L.
Solidago altissima L. var. pluricephala M.C.Johnst.
Solidago altissima L. var. procera (Aiton) Fernald
Solidago hirsutissima Mill.
Solidago lunellii Rydb.
Solidago procera Aiton
Solidago flexicaulis L.
*+
broad-leaved goldenrod, zigzag goldenrod
Solidago latifolia L.
Solidago gigantea Aiton
*+
giant goldenrod, late goldenrod, smooth goldenrod
Aster latissimifolius (Mill.) Kuntze var. serotinus Kuntze
Solidago gigantea Aiton subsp. serotina
Solidago gigantea Aiton var. gigantea
Solidago gigantea Aiton var. leiophylla Fernald
Solidago gigantea Aiton var. pitcheri (Nutt.) Shinners
Solidago gigantea Aiton var. serotina (Kuntze) Cronquist
Solidago gigantea Aiton var. shinnersii Beaudry
Solidago pitcheri Nutt.
Solidago serotina Aiton, non Retz.
Solidago serotinoides A.Löve & D.Löve
Solidago serotina Aiton var. gigantea (Aiton) A.Gray
Solidago shinnersii (Beaudry) Beaudry
Solidago X leiophallax Friesner X
Solidago juncea Aiton
*+
early goldenrod
Solidago arguta Aiton var. scabrella Torr. & A.Gray
Solidago juncea Aiton f. juncea
Solidago juncea Aiton f. scabrella (Torr. & A.Gray) Fernald
Solidago juncea Aiton var. scabrella (Torr. & A.Gray) A.Gray
Solidago nemoralis Aiton
*+
dyer's-weed goldenrod, gray goldenrod, old-field goldenrod
Solidago nemoralis Aiton subsp. nemoralis
+
dyer's-weed goldenrod, field goldenrod, gray goldenrod, old-field goldenrod
Solidago nemoralis Aiton subsp. haleana
Solidago nemoralis Aiton var. haleana Fernald
Solidago nemoralis Aiton var. nemoralis
Solidago nemoralis Aiton var. typica Rosend. & Cronquist
Solidago speciosa Nutt.
*+
showy goldenrod
Solidago uliginosa Nutt.
*+
northern bog goldenrod
Solidago chrysolepis Fernald
Solidago humilis Pursh var. peracuta Fernald
Solidago linoides Torr. & A.Gray
Solidago neglecta Torr. & A.Gray
Solidago purshii Porter
Solidago uliginosa Nutt. var. linoides (Torr. & A.Gray) Fernald
Solidago uliginosa Nutt. var. neglecta (Torr. & A.Gray) Fernald
Solidago uliginosa Nutt. var. peracuta (Fernald) Friesner
Solidago uliginosa Nutt. var. uliginosa
Solidago uniligulata (DC.) Porter
Solidago uniligulata (DC.) Porter var. neglecta (Torr. & A.Gray) Fernald
Genus: Sonchus
Sonchus arvensis L. var. glabrescens Günther, Grab. & Wimm.
*+
marsh sow-thistle
Sonchus arvensis L. subsp. uliginosus
Sonchus uliginosus M.Bieb.
Sonchus asper (L.) Hill
*+
prickly sow-thistle, spiny sow-thistle
Sonchus asper (L.) Hill f. glandulosus Beckh.
Sonchus asper (L.) Hill f. inermis (Bisch.) Beck
Sonchus asper (L.) Hill var. inermis Bisch.
Sonchus asper (L.) Hill f. gracilis A.F.Schwarz var. inermis Bisch.
Sonchus asper (L.) Hill var. pungens Bisch.
Genus: Taraxacum
Taraxacum officinale Weber
*+
common dandelion
Genus: Vernonia
Vernonia fasciculata Michx. subsp. fasciculata
*+
common ironweed, prairie ironweed, smooth ironweed
Vernonia fasciculata Michx. var. fasciculata
Family: Balsaminaceae
Genus: Impatiens
Impatiens capensis Meerb.
*+
orange jewelweed, orange touch-me-not, spotted touch-me-not
Impatiens biflora Walter
Impatiens capensis Meerb. f. immaculata (Weath.) Fernald & B.G.Schub.
Impatiens fulva Nutt.
Impatiens noli-tangere L. subsp. biflora
Impatiens nortonii Rydb.
Impatiens pallida Nutt.
*+
pale touch-me-not, yellow jewelweed, yellow touch-me-not
Family: Berberidaceae
Genus: Caulophyllum
Caulophyllum thalictroides (L.) Michx.
*+
blue cohosh, papoose-root, squaw-root
Caulophyllum thalictroides (L.) Michx. var. thalictroides
Leontice thalictroides L.
Genus: Podophyllum
Podophyllum peltatum L.
*+
May-apple, wild mandrake
Podophyllum peltatum L. f. aphyllum Plitt
Podophyllum peltatum L. f. biltmoreanum Steyerm.
Podophyllum peltatum L. f. deamii Raymond
Podophyllum peltatum L. f. polycarpum (Clute) Plitt
Family: Betulaceae
Genus: Alnus
Alnus incana (L.) Moench subsp. rugosa
*+
mountain alder, speckled alder, swamp alder
Alnus glauca Michx.
Alnus incana (L.) Moench f. tomophylla Fernald
Alnus incana (L.) Moench var. americana Regel
Alnus rugosa (Du Roi) Spreng.
Alnus rugosa (Du Roi) Spreng. var. americana (Regel) Fernald
Alnus rugosa (Du Roi) Spreng. var. tomophylla (Fernald) Fernald
Betula alnus L. var. rugosa Du Roi
Genus: Betula
Betula alleghaniensis Britton
*+
yellow birch
Betula alleghaniensis Britton var. alleghaniensis
Betula alleghaniensis Britton var. fallax (Fassett) Brayshaw
Betula alleghaniensis Britton var. macrolepis (Fernald) Brayshaw
Betula lutea F.Michx.
Betula lutea F.Michx. f. fallax Fassett
Betula lutea F.Michx. var. macrolepis Fernald
Betula purpusii C.K.Schneid. f. fallax (Fassett) B.Boivin
Betula cordifolia Regel
*+
heart-leaf birch, mountain white birch
Betula alba L. var. cordifolia (Regel) Regel
Betula papyrifera Marshall var. cordifolia (Regel) Fernald
Betula papyrifera Marshall
*+
canoe birch, paper birch, white birch
Betula alba L. var. elobata Fernald
Betula alba L. var. papyrifera (Marshall) Spach
Betula papyracea Aiton
Betula papyrifera Marshall var. elobata (Fernald) Sarg.
Betula papyrifera Marshall var. macrostachya Fernald
Betula papyrifera Marshall var. papyrifera
Betula papyrifera Marshall var. pensilis Fernald
Betula papyrifera Marshall var. commutata (Regel) Fernald
Betula papyrifera Marshall var. subcordata (Rydb.) Sarg.
Betula subcordata Rydb.
Genus: Carpinus
Carpinus caroliniana Walter subsp. virginiana
*+
American hornbeam, blue-beech, hornbeam, ironwood
Carpinus betulus L. var. virginiana Marshall
Carpinus caroliniana Walter var. virginiana (Marshall) Fernald
Carpinus virginiana (Marshall) Sudw. 1893, not Miller 1768
Genus: Corylus
Corylus americana Walter
*+
American hazelnut
Corylus americana Walter f. missouriensis (A.DC.) Fernald
Corylus americana Walter var. altior Fernald
Corylus americana Walter var. indehiscens E.J.Palmer & Steyerm.
Corylus americana Walter var. missourensis A.DC.
Corylus cornuta Marshall subsp. cornuta
*+
beaked hazelnut
Corylus cornuta Marshall var. cornuta
Corylus cornuta Marshall var. megaphylla Vict. & J.Rousseau
Corylus rostrata Aiton
Genus: Ostrya
Ostrya virginiana (Mill.) K.Koch
*+
eastern hop-hornbeam, ironwood
Carpinus virginiana Mill.
Ostrya virginica Willd. var. glandulosa Spach
Ostrya virginiana (Mill.) K.Koch f. glandulosa (Spach) J.F.Macbr.
Ostrya virginiana (Mill.) K.Koch f. virginiana
Ostrya virginiana (Mill.) K.Koch subsp. lasia
Ostrya virginiana (Mill.) K.Koch var. glandulosa (Spach) Sarg.
Ostrya virginiana (Mill.) K.Koch var. lasia Fernald
Ostrya virginiana (Mill.) K.Koch var. virginiana
Family: Boraginaceae
Genus: Hackelia
Hackelia deflexa (Wahlenb.) Opiz var. americana (A.Gray) Fernald & I.M.Johnst.
*+
American stickseed, cliff stickseed, nodding stickseed
Echinospermum deflexum (Wahlenb.) Lehm. var. americanum A.Gray
Hackelia americana (A.Gray) Fernald
Hackelia deflexa (Wahlenb.) Opiz subsp. americana
Lappula americana (A.Gray) Rydb.
Lappula deflexa (Wahlenb.) Garcke subsp. americana
Lappula deflexa (Wahlenb.) Garcke var. americana (A.Gray) Greene
Genus: Myosotis
Myosotis scorpioides L.
*+
common forget-me-not, forget-me-not, true forget-me-not, water scorpion-grass
Myosotis palustris (L.) Hill
Genus: Symphytum
Symphytum officinale L.
*+
common comfrey
Symphytum officinale L. subsp. uliginosum
Symphytum uliginosum J.Kern.
Family: Brassicaceae
Genus: Arabis
Arabis laevigata (Muhl. ex Willd.) Poir. var. laevigata
*+
smooth bank-cress, smooth rock-cress
Arabis heterophylla Nutt.
Arabis lyrifolia DC.
Arabis viridis Harger var. heterophylla (Nutt.) Farw.
Turritis laevigata Muhl. ex Willd.
Arabis lyrata L.
*+
lyrate rock-cress, sand cress
Arabis ambigua DC. var. glabra DC.
Arabis lyrata L. var. glabra (DC.) M.Hopkins
Arabis lyrata L. var. lyrata
Arabis lyrata L. var. occidentalis S.Watson
Arabis lyrata L. var. typica M.Hopkins
Arabis lyrata L. f. parvisiliqua M.Hopkins var. typica M.Hopkins
Arabis missouriensis Greene
*+
green rock-cress, Missouri rock-cress
Arabis laevigata (Muhl. ex Willd.) Poir. var. missouriensis (Greene) Ahles
Arabis missouriensis Greene var. deamii (M.Hopkins) M.Hopkins
Arabis viridis Harger
Arabis viridis Harger var. deamii M.Hopkins
Genus: Berteroa
Berteroa incana (L.) DC.
*+
hoary false madwort, hoary-alyssum
Alyssum incanum L.
Genus: Capsella
Capsella bursa-pastoris (L.) Medik.
*+
shepherd's-purse
Bursa bursa-pastoris (L.) Britton
Bursa bursa-pastoris (L.) Britton var. bifida Crép.
Bursa gracilis Gren.
Bursa rubella (Reut.) Druce
Capsella bursa-pastoris (L.) Medik. f. arachnoidea Hus
Capsella rubella Reut.
Thlaspi bursa-pastoris L.
Genus: Cardamine
Cardamine bulbosa (Schreb. ex Muhl.) Britton, Sterns & Poggenb.
*+
spring-cress
Arabis bulbosa Schreb. ex Muhl.
Arabis rhomboidea Pers.
Cardamine rhomboidea (Pers.) DC.
Cardamine concatenata (Michx.) O.Schwarz
*+
cut-leaved toothwort, five-parted toothwort
Cardamine laciniata (Muhl. ex Willd.) A.W.Wood
Dentaria concatenata Michx.
Dentaria concatenata Michx. var. coalescens Fernald
Dentaria laciniata Muhl. ex Willd.
Dentaria laciniata Muhl. ex Willd. var. integra (O.E.Schulz) Fernald
Cardamine diphylla (Michx.) A.W.Wood
*+
broad-leaved toothwort, crinkle-root
Dentaria diphylla Michx.
Dentaria incisa Small
Cardamine parviflora L. var. arenicola (Britton) O.E.Schulz
*+
dry-land bitter-cress, sand bitter-cress, small-flowered bitter-cress
Cardamine arenicola Britton
Cardamine pensylvanica Muhl. ex Willd.
*+
Pennsylvania bitter-cress
Cardamine hirsuta L. var. pensylvanica Muhl. ex Willd.
Cardamine pensylvanica Muhl. ex Willd. var. brittoniana Farw.
Genus: Erysimum
Erysimum cheiranthoides L.
*+
worm-seed mustard, worm-seed wallflower
Cheirinia cheiranthoides (L.) Link
Erysimum cheiranthoides L. subsp. altum
Genus: Lepidium
Lepidium densiflorum Schrad. var. densiflorum
+
prairie pepper-weed, small peppergrass
Lepidium apetulum auct. non Willd.
Lepidium densiflorum Schrad. var. typicum Thell.
Lepidium neglectum Thell.
Lepidium texanum Buckley
Lepidium densiflorum Schrad. var. densiflorum X L. virginicum L. var. virginicum
+
Lepidium virginicum L. var. virginicum
*+
common peppergrass, poor-man's-pepper, Virginia pepper-weed
Lepidium virginicum L. var. typicum C.L.Hitchc.
Genus: Rorippa
Rorippa palustris (L.) Besser subsp. fernaldiana
+
Fernald's yellow-cress, marsh-cress
Rorippa hispida (Desv.) Britton var. glabrata Lunell
Rorippa islandica (Oeder) Borbás subsp. fernaldiana
Rorippa islandica (Oeder) Borbás var. fernaldiana Butters & Abbe
Rorippa islandica (Oeder) Borbás var. glabra (O.E.Schulz) Welsh & Reveal
Rorippa islandica (Oeder) Borbás var. glabrata (Lunell) Butters & Abbe
Rorippa palustris (L.) Besser subsp. glabra
Rorippa palustris (L.) Besser var. fernaldiana (Butters & Abbe) Stuckey subsp. glabra
Rorippa palustris (L.) Besser var. cernua (Nutt.) Stuckey
Rorippa palustris (L.) Besser var. dictyota (Greene) Stuckey
Rorippa palustris (L.) Besser var. elongata Stuckey
Rorippa palustris (L.) Besser var. fernaldiana (Butters & Abbe) Stuckey
Rorippa palustris (L.) Besser var. glabrata (Lunell) Stuckey
Rorippa palustris (L.) Besser var. glabra (O.E.Schulz) Stuckey
Genus: Sinapis
Sinapis arvensis L.
*+
California rape, charlock mustard
Brassica arvensis (L.) Rabenh.
Brassica kaber (DC.) L.C.Wheeler
Brassica kaber (DC.) L.C.Wheeler var. pinnatifida (Stokes) L.C.Wheeler
Brassica kaber (DC.) L.C.Wheeler var. schkuhriana (Rchb.) L.C.Wheeler
Genus: Sisymbrium
Sisymbrium officinale (L.) Scop.
*+
hedge-mustard
Erysimum officinale L.
Sisymbrium officinale (L.) Scop. var. leiocarpum DC.
Sisymbrium officinale (L.) Scop. var. officinale
Family: Cabombaceae
Genus: Brasenia
Brasenia schreberi J.F.Gmel.
*+
water-shield
Brasenia peltata Pursh
Family: Callitrichaceae
Genus: Callitriche
Callitriche palustris L.
*+
common water-starwort, vernal water-starwort
Callitriche palustris L. var. verna (L.) Fenley ex Jeps.
Callitriche verna L.
Family: Campanulaceae
Genus: Campanula
Campanula rotundifolia L.
*+
bluebell, bluebell bellflower, harebell
Campanula alaskana (A.Gray) W.Wight ex J.P.Anderson
Campanula dubia A.DC.
Campanula heterodoxa Bong.
Campanula intercedens Witasek
Campanula petiolata A.DC.
Campanula rotundifolia L. var. alaskana A.Gray
Campanula rotundifolia L. var. intercedens (Witasek) Farw.
Campanula rotundifolia L. var. lancifolia Mert. & W.D.J.Koch
Campanula rotundifolia L. var. petiolata (A.DC.) J.K.Henry
Campanula rotundifolia L. var. velutina A.DC.
Campanula sacajaweana M.Peck
Family: Caprifoliaceae
Genus: Diervilla
Diervilla lonicera Mill.
*+
northern bush-honeysuckle
Diervilla diervilla (L.) MacMill.
Diervilla lonicera Mill. var. hypomalaca Fernald
Diervilla lonicera Mill. var. lonicera
Diervilla trifida Moench
Genus: Lonicera
Lonicera canadensis W.Bartram ex Marshall
*+
American fly honeysuckle
Xylosteon ciliatum Pursh
Lonicera dioica L. var. glaucescens (Rydb.) Butters
+
wild honeysuckle
Lonicera glaucescens Rydb.
Lonicera hirsuta Eaton
*+
hairy honeysuckle
Lonicera hirsuta Eaton var. interior Gleason
Lonicera tatarica L.
*+
Tartarian honeysuckle
Lonicera tatarica L. f. albiflora (DC.) House
Lonicera tatarica L. var. xanthocarpa Endl.
Xylosteum tataricum (L.) Medik.
Genus: Sambucus
Sambucus canadensis L. var. canadensis
*+
American elder, elderberry
Sambucus canadensis L. var. laciniata A.Gray
Sambucus nigra L. subsp. canadensis
Sambucus racemosa L. var. pubens (Michx.) Koehne subsp. pubens
*+
red elderberry, red-berried elder, scarlet elderberry
Sambucus pubens Michx.
Sambucus pubens Michx. f. dissecta (Britton) Schwer.
Sambucus racemosa L. var. pubens (Michx.) Koehne
Genus: Triosteum
Triosteum aurantiacum E.P.Bicknell var. aurantiacum
+
early horse-gentian, orange-fruit horse-gentian
Triosteum aurantiacum E.P.Bicknell f. glaucescens (Wiegand) F.C.Lane
Triosteum aurantiacum E.P.Bicknell var. glaucescens Wiegand
Triosteum perfoliatum L. var. aurantiacum (E.P.Bicknell) Wiegand
Genus: Viburnum
Viburnum acerifolium L.
*+
dockmackie, maple-leaved arrow-wood, maple-leaved viburnum
Viburnum acerifolium L. f. collinsii Rouleau
Viburnum acerifolium L. f. eburneum House
Viburnum acerifolium L. f. ovatum Rehder
Viburnum acerifolium L. var. acerifolium
Viburnum lentago L.
*+
nannyberry, sheepberry
Viburnum X vetteri Zabel X
Viburnum rafinesquianum Schult. var. affine (Bush ex C.K.Schneid.) House
+
arrow-wood, downy arrow-wood
Viburnum affine Bush ex C.K.Schneid.
Viburnum affine Bush ex C.K.Schneid. var. affine
Viburnum affine Bush ex C.K.Schneid. var. australe (C.V.Morton) McAtee
Viburnum australe C.V.Morton
Viburnum rafinesquianum Schult. var. rafinesquianum
+
arrow-wood, downy arrow-wood
Viburnum affine Bush ex C.K.Schneid. var. hypomalacum S.F.Blake
Family: Caryophyllaceae
Genus: Arenaria
Arenaria lateriflora L.
*+
grove sandwort, wood sandwort
Arenaria lateriflora L. var. angustifolia (Regel) H.St.John
Arenaria lateriflora L. var. tayloriae H.St.John
Moehringia lateriflora (L.) Fenzl
Moehringia lateriflora (L.) Fenzl var. angustifolia Regel
Genus: Cerastium
Cerastium fontanum Baumg. emend Jalas subsp. vulgare
*+
big mouse-ear chickweed, common chickweed, common mouse-ear, mouse-ear chickweed
Cerastium adsurgens Greene
Cerastium fontanum Baumg. subsp. holosteoides
Cerastium fontanum Baumg. subsp. triviale
Cerastium holosteoides Fr.
Cerastium holosteoides Fr. var. vulgare (Hartm.) Hyl.
Cerastium triviale Link
Cerastium vulgatum L. 1762, non 1755
Cerastium vulgare Hartm.
Cerastium vulgatum L. f. glandulosum (Boenn.) Druce var. hirsutum Fr.
Cerastium vulgatum L. f. hirsutum var. hirsutum Fr.
Cerastium vulgatum L. var. hirsutum Fr.
Cerastium vulgatum L. var. holosteoides (Fr.) Wahlenb.
Genus: Saponaria
Saponaria officinalis L.
*+
bouncing-bet, soapwort
Lychnis saponaria Jess.
Genus: Silene
Silene latifolia Poir. subsp. alba
*+
bladder campion, white campion, white cockle
Lychnis alba Mill.
Lychnis pratensis Rafn
Lychnis vespertina Sibth.
Lychnis X loveae B.Boivin X
Melandrium album (Mill.) Garcke
Silene alba (Mill.) E.H.L.Krause
Silene pratensis (Rafn) Godr. & Gren.
Silene pratensis (Rafn) Godr. & Gren. subsp. pratensis
Genus: Spergula
Spergula arvensis L.
*+
corn spurry
Genus: Stellaria
Stellaria aquatica (L.) Scop.
*+
giant chickweed, water chickweed
Alsine aquatica (L.) Britton
Cerastium aquaticum L.
Malachium aquaticum (L.) Fr.
Myosoton aquaticum (L.) Moench
Stellaria graminea L.
*+
common stitchwort, grass-like starwort, starwort
Alsine graminea (L.) Britton
Stellaria longifolia Muhl. ex Willd.
*+
long-leaved stitchwort
Stellaria longifolia Muhl. ex Willd. var. longifolia
+
long-leaved stitchwort
Alsine longifolia (Muhl. ex Willd.) Britton
Family: Celastraceae
Genus: Celastrus
Celastrus scandens L.
*+
American bittersweet, climbing bittersweet
Family: Ceratophyllaceae
Genus: Ceratophyllum
Ceratophyllum demersum L.
*+
coon's-tail, hornwort
Ceratophyllum apiculatum Cham.
Ceratophyllum demersum L. var. apiculatum (Cham.) Asch.
Ceratophyllum demersum L. var. apiculatum (Cham.) Garcke
Family: Chenopodiaceae
Genus: Chenopodium
Chenopodium album L.
*+
common lamb's-quarters, lamb's-quarters, pigweed
Chenopodium album L. f. lanceolatum (Muhl. ex Willd.) Schinz & Thell.
Chenopodium album L. var. album
Chenopodium album L. var. lanceolatum (Muhl. ex Willd.) Coss. & Germ.
Chenopodium album L. var. missouriense (Aellen) Bassett & Crompton
Chenopodium album L. var. stevensii Aellen
Chenopodium lanceolatum Muhl. ex Willd.
Chenopodium missouriense Aellen
Chenopodium capitatum (L.) Ambrosi var. capitatum
*+
blite goosefoot, Indian ink, Indian-paint, strawberry-blite,
Blitum capitatum L.
Chenopodium simplex (Torr.) Raf.
*+
maple-leaved goosefoot
Chenopodium gigantospermum Aellen
Chenopodium hybridum auct. non L.
Chenopodium hybridum L. subsp. gigantospermum
Chenopodium hybridum L. var. gigantospermum (Aellen) Rouleau
Chenopodium hybridum L. var. simplex Torr.
Family: Cistaceae
Genus: Helianthemum
Helianthemum canadense (L.) Michx.
*+
common rock-rose, long-branch frostweed
Cistus canadensis L.
Crocanthemum canadense (L.) Britton
Helianthemum canadense (L.) Michx. var. sabulonum Fernald
Genus: Hudsonia
Hudsonia tomentosa Nutt. var. tomentosa
*+
false heather, woolly beach-heather
Genus: Lechea
Lechea intermedia Legg. ex Britton var. intermedia
*+
intermediate pinweed, large-pod pinweed
Lechea intermedia Legg. ex Britton var. typica Hodgdon
Family: Convolvulaceae
Genus: Calystegia
Calystegia spithamaea (L.) Pursh
*+
low bindweed, low false bindweed
Calystegia spithamaea (L.) Pursh subsp. spithamaea
Calystegia spithamaea (L.) Pursh subsp. stans
Convolvulus sepium L. var. pubescens (A.Gray) Fernald
Convolvulus spithamaeus L.
Convolvulus spithamaeus L. subsp. spithamaeus
Convolvulus spithamaeus L. subsp. stans
Convolvulus spithamaeus L. var. pubescens (A.Gray) Fernald
Convolvulus spithamaeus L. var. stans (Michx.) Fogelberg
Convolvulus stans Michx.
Family: Cornaceae
Genus: Cornus
Cornus alternifolia L.f.
*+
alternate-leaved dogwood, pagoda dogwood
Swida alternifolia (L.f.) Small
Cornus canadensis L.
*+
bunchberry, bunchberry dogwood, dwarf cornel
Chamaepericlymenum canadense (L.) Asch. & Graebn.
Cornella canadensis (L.) Rydb.
Cornus canadensis L. f. dutillyi Lepage
Cornus canadensis L. f. elongata M.Peck
Cornus canadensis L. var. dutillyi (Lepage) B.Boivin
Cornus canadensis L. var. intermedia Farr
Cornus racemosa Lam.
*+
gray dogwood, northern swamp dogwood, panicled dogwood
Cornus candidissima Marshall, non Mill.
Cornus foemina Mill., sensu Drescher (1933)
Cornus foemina Mill. subsp. racemosa
Cornus paniculata L'Hér.
Swida racemosa (Lam.) Moldenke
Cornus rugosa Lam.
*+
round-leaved dogwood
Cornus circinata L'Hér.
Swida rugosa (Lam.) Rydb.
Cornus stolonifera Michx.
*+
red osier dogwood
Cornus alba L., pro parte
Cornus alba L. subsp. stolonifera
Cornus alba L. var. baileyi (J.M.Coult. & W.H.Evans) B.Boivin
Cornus alba L. var. californica (C.A.Mey.) B.Boivin
Cornus alba L. var. interior (Rydb.) B.Boivin
Cornus baileyi J.M.Coult. & W.H.Evans
Cornus interior (Rydb.) N.Petersen
Cornus instolonea A.Nelson
Cornus sericea L.
Cornus sericea L. subsp. sericea
Cornus sericea L. subsp. stolonifera
Cornus sericea L. var. interior (Rydb.) H.St.John
Cornus stolonifera Michx. var. baileyi (J.M.Coult. & W.H.Evans) Drescher
Cornus stolonifera Michx. var. interior (Rydb.) H.St.John
Cornus X californica C.A.Mey. X
Swida baileyi (J.M.Coult. & W.H.Evans) Rydb.
Swida interior Rydb.
Swida instolonea (A.Nelson) Rydb.
Swida stolonifera (Michx.) Rydb.
Family: Cucurbitaceae
Genus: Echinocystis
Echinocystis lobata (Michx.) Torr. & A.Gray
*+
balsam-apple, wild-cucumber
Micrampelis lobata (Michx.) Greene
Sicyos lobata Michx.
Family: Cupressaceae
Genus: Thuja
Thuja occidentalis L.
*+
eastern arborvitae, northern white-cedar
Family: Cyperaceae
Genus: Carex
Carex adusta Boott
*+
brown oval sedge, lesser brown sedge
Carex arctata Boott
*+
drooping woodland sedge
Carex arctata Boott var. faxonii L.H.Bailey
Carex blanda Dewey
*+
common wood sedge, eastern woodland sedge, wood sedge
Carex blanda Dewey var. blanda
Carex laxiflora Lam. var. blanda (Dewey) Boott
Carex brevior (Dewey) Mack. ex Lunell
*+
fescue sedge, plains oval sedge
Carex festucacea Schkuhr ex Willd. var. brevior (Dewey) Fernald
Carex straminea Willd. ex Schkuhr var. brevior Dewey
Carex bromoides Schkuhr ex Willd. subsp. bromoides
*+
brome-like sedge
Carex bromoides Schkuhr ex Willd. var. bromoides
Carex cephaloidea (Dewey) Dewey
*+
clustered bracted sedge
Carex muricata L. var. cephaloidea Dewey
Carex sparganioides Muhl. ex Willd. var. cephaloidea (Dewey) J.Carey
Carex crawfordii Fernald
*+
Crawford's oval sedge, Crawford's sedge
Carex crawfordii Fernald var. vigens Fernald
Carex crinita Lam. var. crinita
*+
fringed sedge
Carex crinita Lam. var. minor Boott
Carex crinita Lam. var. morbida J.Carey
Carex leonura Wahlenb.
Carex cumulata (L.H.Bailey) Mack.
*+
clustered sedge, crowded oval sedge
Carex straminea Willd. ex Schkuhr var. cumulata L.H.Bailey
Carex debilis Michx. var. rudgei L.H.Bailey
*+
northern weak sedge, weak sedge, white-edge sedge
Carex allegheniensis Mack.
Carex debilis Michx. var. intercursa Fernald
Carex debilis Michx. var. interjecta L.H.Bailey
Carex debilis Michx. var. puberua A.Gray
Carex debilis Michx. var. strictior L.H.Bailey
Carex flexuosa Muhl. ex Willd.
Carex tenuis Rudge
Carex folliculata L.
*+
long sedge, northern long sedge
Carex gracillima Schwein.
*+
graceful sedge, purple-sheathed graceful sedge
Carex gracillima Schwein. var. macerrima Fernald & Wiegand
Carex gynandra Schwein.
*+
nodding sedge
Carex crinita Lam. var. gynandra (Schwein.) Schwein. & Torr.
Carex crinita Lam. var. simulans Fernald
Carex gynandra Schwein. var. simulans (Fernald) Roll.-Germ.
Carex hirtifolia Mack.
*+
hairy sedge, hairy wood sedge, pubescent sedge
Carex interior L.H.Bailey
*+
inland sedge, inland star sedge
Carex interior L.H.Bailey f. keweenawensis (F.J.Herm.) Fernald
Carex interior L.H.Bailey subsp. charlestonensis
Carex interior L.H.Bailey var. keweenawensis F.J.Herm.
Carex scirpoides Sckuhr ex Willd., 1805, non Michx., 1803
Carex intumescens Rudge
*+
greater bladder sedge, shining bur sedge, swollen sedge
Carex intumescens Rudge var. fernaldii L.H.Bailey
Carex intumescens Rudge var. intumescens
Carex lacustris Willd.
*+
common lake sedge, rip-gut sedge
Carex riparia M.A.Curtis var. lacustris (Willd.) Kük.
Carex leptonervia (Fernald) Fernald
*+
few-nerved wood sedge, nerveless woodland sedge
Carex laxiflora Lam. var. leptonervia Fernald
Carex laxiflora Lam. var. varians L.H.Bailey
Carex lupulina Willd.
*+
common hop sedge, hop sedge
Carex lupulina Willd. var. pedunculata A.Gray
Carex X macounii Dewey X
Carex lurida Wahlenb.
*+
shallow sedge
Carex muhlenbergii Schkuhr ex Willd. var. muhlenbergii
+
Muhlenberg's bracted sedge, Muhlenberg's sedge, sand bracted sedge, sand sedge
Carex normalis Mack.
*+
greater straw sedge, intermediate sedge, spreading oval sedge
Carex mirabilis Dewey
Carex pensylvanica Lam.
*+
common oak sedge, Pennsylvania sedge
Carex marginata Willd.
Carex pensylvanica Lam. var. glumabunda Peck
Carex pensylvanica Lam. var. marginata (Willd.) Dewey
Carex pensylvanica Lam. var. pensylvanica
Carex stolonifera Schwein.
Carex plantaginea Lam.
*+
plantain-leaved sedge, plantain-leaved wood sedge
Carex projecta Mack.
*+
loose-headed oval sedge, necklace sedge
Carex radiata (Wahlenb.) Small
*+
eastern star sedge, straight-styled wood sedge
Carex rosea Schkuhr ex Willd., misapplied
Carex rosea Schkuhr ex Willd. var. radiata (Wahlenb.) Dewey
Carex stellulata Gooden. var. radiata Wahlenb.
Carex rosea Schkuhr ex Willd.
*+
curly-styled wood sedge, rosy sedge, stellate sedge
Carex convoluta Mack.
Carex flaccidula Steud.
Carex rosea Schkuhr ex Willd. var. pusilla Peck & Howe
Carex scoparia Schkuhr ex Willd. var. scoparia
*+
broom sedge, lance-fruited oval sedge
Carex sparganioides Muhl. ex Willd.
*+
bur-reed sedge, loose-headed bracted sedge
Carex sparganioides Muhl. ex Willd. var. sparganioides
Carex sprengelii Dewey ex Spreng.
*+
long-beaked sedge, Sprengel's sedge
Carex longirostris Torr., non Krock.
Carex stipata Muhl. ex Willd. var. stipata
*+
common fox sedge, owl-fruit sedge
Carex stipata Muhl. ex Willd. var. crassicurta Peck
Carex stipata Muhl. ex Willd. var. subsecuta Peck
Carex stricta Lam.
*+
common tussock sedge, hummock sedge, tussock sedge, uptight sedge
Carex stricta Lam. var. curtissima Peck
Carex stricta Lam. var. strictior (Dewey) J.Carey
Carex stricta Lam. var. stricta
Carex stricta Lam. var. xerocarpa (S.H.Wright) Britton
Carex strictior Dewey
Carex xerocarpa S.H.Wright
Carex tenera Dewey var. tenera
+
marsh straw sedge, narrow-leaved oval sedge, quill sedge
Carex straminea Willd. ex Schkuhr var. tenera (Dewey) Barratt
Carex tribuloides Wahlenb. var. tribuloides
*+
awl-fruited oval sedge, blunt-broom sedge
Carex utriculata Boott
*+
common yellow lake sedge, Northwest Territory sedge
Carex inflata Huds. var. utriculata (Boott) Druce
Carex laevirostris (Blytt ex Fr.) Fr.
Carex rhynchosphysa Fisch., C.A.Mey. & Avé-Lall.
Carex rostrata Stokes var. utriculata (Boott) L.H.Bailey
Carex vesicaria L.
*+
blister sedge, tufted lake sedge
Carex monile Tuck.
Carex vesicaria L. var. distenta Fr.
Carex vesicaria L. var. jejuna Fernald
Carex vesicaria L. var. monile (Tuck.) Fernald
Carex vesicaria L. var. vesicaria
Carex vulpinoidea Michx.
*+
brown fox sedge, fox sedge
Carex microsperma Wahlenb.
Carex multiflora Willd.
Carex multiflora Willd. var. microsperma (Wahlenb.) Dewey
Carex scabior Dewey
Carex setacea Dewey
Carex vulpinoidea Michx. var. microsperma (Wahlenb.) Dewey
Carex vulpinoidea Michx. var. pycnocephala F.J.Herm.
Carex vulpinoidea Michx. var. scabrior (Dewey) A.W.Wood
Carex vulpinoidea Michx. var. segregata Farw.
Carex vulpinoidea Michx. var. setacea (Dewey) Kük.
Carex woodii Dewey
*+
pretty sedge, Wood's stiff sedge
Carex colorata Mack.
Carex tetanica Schkuhr var. woodii (Dewey) A.W.Wood
Genus: Dulichium
Dulichium arundinaceum (L.) Britton var. arundinaceum
*+
pond sedge, three-way sedge
Genus: Eleocharis
Eleocharis palustris (L.) Roem. & Schult.
*+
common spike-rush, marsh spike-rush
Eleocharis calva Torr. var. australis (Nees) H.St.John
Eleocharis mamillata auct. non H.Lindb.
Eleocharis palustris (L.) Roem. & Schult. var. australis Nees
Eleocharis palustris (L.) Roem. & Schult. var. major Sond.
Eleocharis smallii Britton
Eleocharis smallii Britton var. major (Sond.) F.Seym.
Scirpus palustris L.
Eleocharis robbinsii Oakes
*+
Robbins' spike-rush
Genus: Eriophorum
Eriophorum virginicum L.
*+
rusty cotton-grass, tawny cotton-grass
Eriophorum virginicum L. f. album (A.Gray) Wiegand
Eriophorum virginicum L. f. virginicum
Genus: Rhynchospora
Rhynchospora capillacea Torr.
*+
hair beak-rush, needle beak sedge
Phaeocephalum capillaceum (Torr.) Farw.
Rhynchospora capillacea Torr. f. capillacea
Rhynchospora capillacea Torr. f. leviseta (E.J.Hill) Fernald
Rhynchospora capillacea Torr. var. leviseta E.J.Hill ex A.Gray
Rhynchospora setacea (Muhl.) MacMill., 1892, non Vahl 1806
Rhynchospora smallii Britton
Triodon capillaceus (Torr.) Farw.
Rhynchospora capitellata (Michx.) Vahl
*+
brownish beak sedge, clustered beak-rush
Phaeocephalum glomeratum (L.) House var. minus (Britton) Farw.
Rhynchospora capitellata (Michx.) Vahl f. capitellata
Rhynchospora capitellata (Michx.) Vahl f. discutiens (C.B.Clarke) Gale
Rhynchospora capitellata (Michx.) Vahl var. discutiens (C.B.Clarke) S.F.Blake
Rhynchospora capitellata (Michx.) Vahl var. leptocarpa (Chapm. ex Britton) S.F.Blake
Rhynchospora capitellata (Michx.) Vahl var. minor (Britton) S.F.Blake
Rhynchospora glomerata (L.) Vahl var. capitellata (Michx.) Kük.
Rhynchospora glomerata (L.) Vahl f. discutiens (C.B.Clarke) Kük. var. capitellata (Michx.) Kük.
Rhynchospora glomerata (L.) Vahl var. discutiens C.B.Clarke
Rhynchospora glomerata (L.) Vahl var. leptocarpa Chapm. ex Britton
Rhynchospora glomerata (L.) Vahl f. discutiens (C.B.Clarke) Fernald var. minor Britton
Rhynchospora glomerata (L.) Vahl var. minor Britton
Rhynchospora leptocarpa (Chapm. ex Britton) Small
Schoenus capitellatus Michx.
Genus: Schoenoplectus
Schoenoplectus tabernaemontani (C.C.Gmel.) Palla
*+
great bulrush, soft-stem bulrush
Schoenoplectus lacustris (L.) Palla subsp. creber
Schoenoplectus validus (Vahl) A.Löve & D.Löve
Scirpus lacustris L. subsp. creber
Scirpus lacustris L. subsp. glaucus
Scirpus lacustris L. subsp. tabernaemontani
Scirpus lacustris L. subsp. validus
Scirpus lacustris L. var. tabernaemontani (C.C.Gmel.) Döll
Scirpus tabernaemontani C.C.Gmel.
Scirpus validus Vahl
Scirpus validus Vahl var. creber Fernald
Scirpus validus Vahl f. megastachyus Fernald var. creber Fernald
Genus: Scirpus
Scirpus atrovirens Willd.
*+
black bulrush, dark-green bulrush
Scirpus atrovirens Willd. f. proliferus F.J.Herm.
Scirpus atrovirens Willd. var. atrovirens
Scirpus atrovirens Willd. var.
Scirpus cyperinus (L.) Kunth
*+
wool-grass
Eriophorum cyperinum L.
Scirpus cyperinus (L.) Kunth var. andrewsii (Fernald) Fernald
Scirpus cyperinus (L.) Kunth var. condensatus Fernald
Scirpus cyperinus (L.) Kunth var. cyperinus
Scirpus cyperinus (L.) Kunth var. eriophorum (Michx.) Kuntze
Scirpus cyperinus (L.) Kunth var. laxus (A.Gray) Beetle
Scirpus cyperinus (L.) Kunth var. pelius Fernald
Scirpus cyperinus (L.) Kunth f. condensatus (Fernald) S.F.Blake var. pelius Fernald
Scirpus cyperinus (L.) Kunth var. rubricosus (Fernald) Gilly
Scirpus eriophorum Michx.
Scirpus rubricosus Fernald
Scirpus hattorianus Makino
+
early dark-green bulrush, mosquito bulrush
Scirpus atrovirens Willd. var. georgianus (R.M.Harper) Fernald, pro parte
Scirpus atrovirens Willd. var. viviparus Farw.
Family: Dennstaedtiaceae
Genus: Pteridium
Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A.Heller
*+
bracken, bracken fern, eastern bracken fern
Pteridium latiusculum (Desv.) Fr.
Pteris latiuscula Desv.
Family: Dioscoreaceae
Genus: Dioscorea
Dioscorea villosa L.
*+
colic-root, wild yam, yam root
Dioscorea cliffortiana Lam.
Dioscorea glauca Muhl. ex Bartlett
Dioscorea hexaphylla Raf.
Dioscorea hirticaulis Bartlett
Dioscorea lloydiana E.H.L.Krause
Dioscorea longifolia Raf.
Dioscorea megaptera Raf.
Dioscorea paniculata Michx.
Dioscorea paniculata Michx. var. glabrifolia Bartlett
Dioscorea pruinosa Kunth
Dioscorea quaternata J.F.Gmel.
Dioscorea quaternata J.F.Gmel. var. glauca (Muhl. ex Bartlett) Fernald
Dioscorea quaternata J.F.Gmel. var. quaternata
Dioscorea quinata J.F.Gmel.
Dioscorea repanda Raf.
Dioscorea villosa L. f. glabrifolia (Bartlett) Fernald
Dioscorea villosa L. subsp. glabrifolia
Dioscorea villosa L. subsp. glauca
Dioscorea villosa L. subsp. hirticaulis
Dioscorea villosa L. subsp. quaternata
Dioscorea villosa L. var. glabrifolia (Bartlett) S.F.Blake
Dioscorea villosa L. var. hirticaulis (Bartlett) Ahles
Dioscorea villosa L. var. vera Prain & Burkill
Dioscorea villosa L. var. villosa
Dioscorea waltheri Desf.
Family: Droseraceae
Genus: Drosera
Drosera rotundifolia L.
*+
round-leaved sundew
Family: Dryopteridaceae
Genus: Athyrium
Athyrium filix-femina (L.) Roth ex Mert. var. angustum (Willd.) G.Lawson
*+
common lady fern, lady fern, northeastern lady fern, northern lady fern
Aspidium angustum Willd.
Asplenium elatius Link
Athyrium angustum (Willd.) C.Presl
Athyrium angustum (Willd.) C.Presl var. elatius (Link) Butters
Athyrium angustum (Willd.) C.Presl var. rubellum (Gilbert) Butters
Athyrium angustum (Willd.) C.Presl var. subtripinnatum Butters
Athyrium filix-femina (L.) Roth ex Mert. subsp. angustum
Athyrium filix-femina (L.) Roth ex Mert. var. michauxii (Spreng.) Farw.
Athyrium filix-femina (L.) Roth ex Mert. f. elatius (Link) Clute var. michauxii (Spreng.) Farw.
Athyrium filix-femina (L.) Roth ex Mert. f. rubellum (Gilbert) Farw. var. michauxii (Spreng.) Farw.
Athyrium filix-femina (L.) Roth ex Mert. var. rubellum Gilbert
Genus: Cystopteris
Cystopteris fragilis (L.) Bernh.
*+
bladder fern, brittle bladder fern, northern fragile fern
Cystopteris dickieana Sim
Cystopteris fragilis (L.) Bernh. subsp. dickieana
Cystopteris fragilis (L.) Bernh. var. angustata Lawson
Cystopteris fragilis (L.) Bernh. var. fragilis
Cystopteris fragilis (L.) Bernh. var. woodsioides H.Christ
Filix fragilis (L.) Gilib.
Polypodium fragile L.
Cystopteris protrusa (Weath.) Blasdell
+
creeping fragile fern, lowland bladder fern
Cystopteris fragilis (L.) Bernh. var. protrusa Weath.
Cystopteris tenuis (Michx.) Desv.
*+
MacKay's brittle fern, upland brittle bladder fern
Nephrodium tenue Michx.
Cystopteris fragilis (L.) Bernh. var. mackayi G.Lawson
Genus: Deparia
Deparia acrostichoides (Sw.) M.Kato
*+
silver false spleenwort, silvery glade fern, silvery spleenwort
Asplenium acrostichoides Sw.
Athyrium acrostichoides (Sw.) Diels
Athyrium thelypterioides (Michx.) Desv.
Athyrium thelypterioides (Michx.) Desv. f. acrostichoides (Sw.) Gilbert
Diplazium acrostichoides (Sw.) Butters
Genus: Dryopteris
Dryopteris carthusiana (Vill.) H.P.Fuchs
*+
spinulose wood fern, toothed wood fern
Aspidium spinulosum (O.F.Müll.) Sw.
Dryopteris austriaca (Jacq.) Woyn. var. spinulosa (O.F.Müll) Fiori
Dryopteris spinulosa (O.F.Müll.) Watt
Polypodium carthusianum Vill.
Polypodium spinulosum O.F.Müll.
Thelypteris spinulosa (O.F.Müll.) Nieuwl.
Dryopteris cristata (L.) A.Gray
*+
crested shield fern, crested wood fern
Aspidium cristatum (L.) Sw.
Polypodium cristatum L.
Thelypteris cristata (L.) Nieuwl.
Dryopteris goldiana (Hook. ex Goldie) A.Gray
*+
giant wood fern, Goldie's fern, Goldie's wood fern
Aspidium goldianum Hook. ex Goldie
Thelypteris goldiana (Hook. ex Goldie) Nieuwl.
Dryopteris intermedia (Muhl. ex Willd.) A.Gray
*+
fancy wood fern, glandular wood fern, intermediate wood fern
Aspidium intermedium Muhl. ex Willd.
Aspidium spinulosum (O.F.Müll.) Sw. var. intermedium (Muhl. ex Willd.) D.C.Eaton
Dryopteris austriaca (Jacq.) Woyn. var. intermedia (Muhl. ex Willd.) C.V.Morton
Dryopteris spinulosa (O.F.Müll.) Watt var. intermedia (Muhl. ex Willd.) Underw.
Thelypteris spinulosa (O.F.Müll.) Nieuwl. var. intermedia (Muhl. ex Willd.) Nieuwl.
Dryopteris X boottii (Tuck.) Underw. (pro sp.) X
*+
Boott's wood fern
Aspidium boottii Tuck.
Thelypteris boottii (Tuck.) Nieuwl.
Dryopteris X triploidea Wherry X
+
triploid wood fern
Dryopteris austriaca (Jacq.) Woyn. var. fructuosa (Gilbert) C.V.Morton
Dryopteris intermedia (Muhl. ex Willd.) A.Gray var. fructuosa (Gilbert) Wherry
Dryopteris spinulosa (O.F.Müll.) Watt var. fructuosa (Gilbert) Trudell
Thelypteris spinulosa (O.F.Müll.) Nieuwl. var. fructuosa (Gilbert) Fernald
Genus: Gymnocarpium
Gymnocarpium dryopteris (L.) Newman
*+
common oak fern, western oak fern
Dryopteris disjuncta (Rupr.) C.V.Morton
Dryopteris dryopteris (L.) Britton
Dryopteris linnaeana C.Chr.
Lastrea dryopteris (L.) Bory
Polypodium dryopteris L.
Phegopteris dryopteris (L.) Fée
Thelypteris dryopteris (L.) Sloss.
Genus: Onoclea
Onoclea sensibilis L.
*+
sensitive fern
Onoclea sensibilis L. f. obtusilobata (Schkuhr) Gilbert
Onoclea sensibilis L. var. obtusilobata (Schkuhr) Torr.
Genus: Woodsia
Woodsia ilvensis (L.) R.Br.
*+
rusty cliff fern, rusty woodsia
Acrostichum ilvense L.
Family: Equisetaceae
Genus: Equisetum
Equisetum arvense L.
*+
common horsetail, field horsetail
Equisetum arvense L. f. alpestre (Wahlenb.) Luerss.
Equisetum arvense L. f. boreale (Bong.) Klinge
Equisetum arvense L. f. decumbens (G.Mey.) W.D.J.Koch
Equisetum arvense L. f. ramulosum (Rupr.) Klinge
Equisetum arvense L. f. varium (Milde) Klinge
Equisetum arvense L. var. alpestre Wahlenb.
Equisetum arvense L. var. boreale (Bong.) Rupr.
Equisetum arvense L. f. pseudo-varium Vict. var. boreale (Bong.) Rupr.
Equisetum arvense L. f. pseudo-alpestre Vict. var. boreale (Bong.) Rupr.
Equisetum arvense L. var. campestre Wahlenb.
Equisetum arvense L. var. riparium Farw.
Equisetum calderi B.Boivin
Equisetum pratense Ehrh.
*+
meadow horsetail
Equisetum pratense Ehrh. f. nanum (Milde) Klinge
Equisetum sylvaticum L.
*+
wood horsetail, woodland horsetail
Equisetum sylvaticum L. var. multiramosum (Fernald) Wherry
Equisetum sylvaticum L. var. pauciramosum Milde
Equisetum sylvaticum L. f. multiramosum Fernald var. pauciramosum Milde
Family: Ericaceae
Genus: Chamaedaphne
Chamaedaphne calyculata (L.) Moench var. angustifolia (Aiton) Rehder
*+
leather-leaf
Andromeda calyculata L. var. angustifolia Aiton
Cassandra calyculata (L.) D.Don var. angustifolia (Aiton) Seym.
Genus: Epigaea
Epigaea repens L.
*+
trailing-arbutus
Epigaea repens L. var. glabrifolia Fernald
Genus: Gaultheria
Gaultheria hispidula (L.) Muhl. ex Bigelow
*+
creeping-snowberry, moxie
Chiogenes hispidula (L.) Torr. & A.Gray
Gaultheria procumbens L.
+
checkerberry, eastern teaberry, wintergreen
Genus: Gaylussacia
Gaylussacia baccata (Wangenh.) K.Koch
*+
black huckleberry, huckleberry
Andromeda baccata Wangenh.
Decachaena baccata (Wangenh.) Small
Genus: Ledum
Ledum groenlandicum Oeder
*+
Labrador-tea
Ledum latifolium Jacq.
Ledum palustre L. subsp. groenlandicum
Ledum palustre L. var. latifolium (Jacq.) Michx.
Rhododendron groenlandicum (Oeder) Kron & Judd
Genus: Vaccinium
Vaccinium angustifolium Aiton
*+
early low blueberry, low-bush blueberry, low sweet blueberry
Vaccinium angustifolium Aiton var. hypolasium Fernald
Vaccinium angustifolium Aiton var. laevifolium House
Vaccinium angustifolium Aiton var. nigrum (A.W.Wood) Dole
Vaccinium brittonii Porter ex E.P.Bicknell
Vaccinium lamarckii Camp
Vaccinium nigrum (A.W.Wood) Britton
Vaccinium pensilvanicum Lam.
Vaccinium pensilvanicum Lam. var. angustifolium (Aiton) A.Gray
Vaccinium pensilvanicum Lam. var. nigrum A.W.Wood
Family: Euphorbiaceae
Genus: Chamaesyce
Chamaesyce maculata (L.) Small
*+
milk-purslane, spotted sand-mat, wart-weed
Chamaesyce mathewsii Small
Chamaesyce supina (Raf.) Moldenke
Chamaesyce tracyi Small
Euphorbia maculata L.
Euphorbia supina Raf.
Genus: Euphorbia
Euphorbia corollata L.
*+
flowering spurge
Euphorbia corollata L. var. angustifolia Elliott
Euphorbia corollata L. var. corollata
Euphorbia corollata L. var. mollis Millsp.
Euphorbia corollata L. var. paniculata (Elliott) Boiss.
Euphorbia marilandica Greene
Euphorbia pubentissima Michx.
Tithymalopsis corollata (L.) Klotzsch & Garcke
Tithymalopsis marilandica (Greene) Small
Tithymalopsis olivacea Small
Family: Fabaceae
Genus: Amphicarpaea
Amphicarpaea bracteata (L.) Fernald
*+
American hog-peanut, hog-peanut
Amphicarpaea bracteata (L.) Fernald var. bracteata
Amphicarpaea bracteata (L.) Fernald var. comosa (L.) Fernald
Amphicarpaea bracteata (L.) Fernald var. pitcheri (Torr. & A.Gray) Fassett
Amphicarpaea comosa (L.) G.Don
Amphicarpaea monoica (L.) Elliott
Amphicarpaea pitcheri Torr. & A.Gray
Falcata comosa (L.) Kuntze
Falcata pitcheri (Torr. & A.Gray) Kuntze
Glycine bracteata L.
Glycine comosa L.
Glycine monoica L.
Genus: Baptisia
Baptisia alba (L.) Vent. var. macrophylla (Larisey) Isely
*+
large-leaved wild indigo, milky white indigo, white wild indigo
Baptisia lactea (Raf.) Thieret var. lactea
Baptisia leucantha Torr. & A.Gray
Baptisia leucantha Torr. & A.Gray var. divaricata Larisey
Baptisia leucantha Torr. & A.Gray var. pauciflora Larisey
Baptisia pendula Larisey var. macrophylla Larisey
Dolichos lacteus Raf.
Genus: Desmodium
Desmodium glutinosum (Muhl. ex Willd.) A.W.Wood
*+
cluster-leaf tick-trefoil, pointed tick-trefoil
Desmodium acuminatum (Michx.) DC.
Desmodium acuminatum (Michx.) DC. f. chandonnetii (Lunell) Fassett
Desmodium glutinosum (Muhl. ex Willd.) A.W.Wood f. chandonnetii (Lunell) B.G.Schub.
Hedysarum acuminatum Michx.
Hedysarum glutinosum Muhl. ex Willd.
Meibomia acuminata (Michx.) S.F.Blake
Meibomia grandiflora auct. non (Walter) Kuntze
Meibomia grandiflora (Walter) Kuntze var. chandonnetii Lunell
Genus: Lathyrus
Lathyrus ochroleucus Hook.
*+
cream pea-vine, pale vetchling, white pea
Lathyrus venosus Muhl. ex Willd.
*+
forest pea, veiny pea, veiny pea-vine
Lathyrus oreophilus Wooton & Standl.
Lathyrus venosus Muhl. ex Willd. subsp. arkansanus
Lathyrus venosus Muhl. ex Willd. var. arkansanus Fassett
Lathyrus venosus Muhl. ex Willd. var. intonsus Butters & H.St.John
Lathyrus venosus Muhl. ex Willd. var. meridionalis Butters & H.St.John
Genus: Lespedeza
Lespedeza capitata Michx.
*+
round-headed bush-clover, round-headed lespedeza
Lespedeza bicknellii House
Lespedeza capitata Michx. var. capitata
Lespedeza capitata Michx. var. longifolia (DC.) Torr. & A.Gray
Lespedeza capitata Michx. var. sericea (Hook. & Arn.) Torr. & A.Gray
Lespedeza capitata Michx. var. stenophylla Bissell & Fernald
Lespedeza capitata Michx. var. velutina (E.P.Bicknell) Fernald
Lespedeza capitata Michx. var. vulgaris Torr. & A.Gray
Lespedeza longifolia DC.
Lespedeza velutina E.P.Bicknell
Lespedeza stipulacea Maxim.
*+
Korean bush-clover, Korean clover
Kummerowia stipulacea (Maxim.) Makino
Genus: Lotus
Lotus corniculatus L.
*+
bird's-foot deer-vetch, bird's-foot trefoil
Lotus corniculatus L. var. arvensis (Schkuhr) Ser. ex DC.
Lotus unifoliolatus (Hook.) Benth. var. unifoliolatus
*+
deer-vetch, prairie trefoil, Spanish-clover
Acmispon americanum (Nutt.) Rydb.
Hosackia americana (Nutt.) Piper
Hosackia unifoliolata Hook.
Lotus americanus (Nutt.) Bisch.
Lotus purshianus Clem. & E.G.Clem.
Lotus purshianus Clem. & E.G.Clem. var. glaber (Nutt.) Munz
Lotus purshianus Clem. & E.G.Clem. var. purshianus
Lotus sericeus Pursh, non Moench
Trigonella americana Nutt.
Genus: Lupinus
Lupinus perennis L.
*+
sundial lupine, wild lupine
Genus: Medicago
Medicago lupulina L.
*+
black medick
Medicago cupianiana Guss.
Medicago lupulina L. var. cupianiana (Guss.) Boiss.
Medicago lupulina L. var. glandulosa Neilr.
Genus: Trifolium
Trifolium aureum Pollich
*+
golden clover, palmate hop clover, yellow hop clover
Trifolium agrarium L.
Trifolium repens L.
*+
white clover
Genus: Vicia
Vicia americana Muhl. ex Willd. subsp. americana
*+
American vetch
Vicia americana Muhl. ex Willd. subsp. oregana
Vicia americana Muhl. ex Willd. subsp. truncata
Vicia americana Muhl. ex Willd. var. americana
Vicia americana Muhl. ex Willd. var. oregana (Nutt.) A.Nelson
Vicia americana Muhl. ex Willd. var. truncata (Nutt.) Brewer
Vicia americana Muhl. ex Willd. var. villosa (Kellogg) F.J.Herm.
Vicia californica Greene
Vicia californica Greene var. madrensis Jeps.
Vicia oregana Nutt.
Vicia sparsifolia Nutt. ex Torr. & A.Gray var. truncata (Nutt.) S.Watson
Vicia truncata Nutt.
Vicia sativa L. subsp. nigra
*+
common vetch, narrow-leaved vetch, spring vetch
Vicia angustifolia L.
Vicia angustifolia L. var. segetalis (Thuill.) W.D.J.Koch
Vicia angustifolia L. var. uncinata (Desf. ex Nyman) Rouy
Vicia sativa L. var. angustifolia (L.) Ser.
Vicia sativa L. var. nigra L.
Vicia sativa L. var. segetalis (Thuill.) Ser.
Vicia segetalis Thuill.
Vicia uncinata Desf. ex Nyman
Family: Fagaceae
Genus: Quercus
Quercus alba L.
*+
white oak
Quercus alba L. var. subcaerulea Pickens & M.C.Pickens
Quercus alba L. var. subflavea Pickens & M.C.Pickens
Quercus ellipsoidalis E.J.Hill
*+
Hill's oak, northern pin oak
Quercus ellipsoidalis E.J.Hill var. kaposianensis J.W.Moore
Quercus macrocarpa Michx.
*+
bur oak
Quercus macrocarpa Michx. f. olivaeformis (F.Michx.) Trel.
Quercus macrocarpa Michx. subsp. olivaeformis
Quercus macrocarpa Michx. var. depressa (Nutt.) Engelm.
Quercus macrocarpa Michx. var. macrocarpa
Quercus macrocarpa Michx. var. olivaeformis (F.Michx.) A.Gray
Quercus mandanensis Rydb.
Quercus obtusiloba Michx. var. depressa Nutt.
Quercus olivaeformis F.Michx.
Quercus rubra L.
*+
northern red oak
Quercus ambigua F.Michx.
Quercus borealis F.Michx.
Quercus borealis F.Michx. var. borealis
Quercus borealis F.Michx. var. maxima (Marshall) Ashe
Quercus coccinea Münchh. var. ambigua (F.Michx.) A.Gray
Quercus maxima (Marshall) Ashe
Quercus rubra L. var. ambigua (F.Michx.) Fernald
Quercus rubra L. var. ambigua (F.Michx.) Houba
Quercus rubra L. var. borealis (F.Michx.) Farw.
Quercus rubra L. var. maxima Marshall
Quercus rubra L. var. rubra
Family: Fumariaceae
Genus: Corydalis
Corydalis sempervirens (L.) Pers.
*+
pink and yellow corydalis, pale corydalis, rock harlequin
Capnoides sempervirens (L.) Borkh.
Fumaria sempervirens L.
Genus: Dicentra
Dicentra canadensis (Goldie) Walp.
*+
squirrel-corn
Bicuculla canadensis (Goldie) Millsp.
Corydalis canadensis Goldie
Dicentra cucullaria (L.) Bernh.
*+
Dutchman's-breeches
Bicuculla cucullaria (L.) Millsp.
Bicuculla occidentalis Rydb.
Dicentra cucullaria (L.) Bernh. var. occidentalis (Rydb.) M.Peck
Dicentra occidentalis (Rydb.) Fedde
Fumaria cucullaria L.
Family: Gentianaceae
Genus: Bartonia
Bartonia virginica (L.) Britton, Sterns & Poggenb.
*+
Virginia bartonia, yellow screw-stem
Sagina virginica L.
Family: Geraniaceae
Genus: Geranium
Geranium bicknellii Britton var. bicknellii
*+
Bicknell's crane's-bill, northern crane's-bill
Geranium nemorale Suksd. var. bicknellii (Britton) Fernald
Geranium maculatum L.
*+
Crane's-bill, spotted geranium, wild geranium
Geranium maculatum L. f. albiflorum (Raf.) House
Family: Grossulariaceae
Genus: Ribes
Ribes americanum Mill.
*+
American black currant, eastern black currant, wild black currant
Ribes americanum Mill. f. pauciglandulosum Fassett
Ribes floridum L'Hér.
Ribes cynosbati L.
*+
dogberry, eastern prickly gooseberry, prickly wild gooseberry
Grossularia cynosbati (L.) Mill.
Ribes cynosbati L. f. inerme Rehder
Ribes cynosbati L. var. atrox Fernald
Ribes cynosbati L. var. glabratum Fernald
Ribes cynosbati L. var. inerme (Rehder) L.H.Bailey
Ribes huronense Rydb.
Ribes glandulosum Grauer
*+
skunk currant
Ribes prostratum L'Hér.
Ribes prostratum L'Hér. var. wisconsinum Fassett
Ribes resinosum Pursh
Ribes missouriense Nutt.
*+
Missouri gooseberry
Grossularia missouriensis (Nutt.) Coville & Britton
Ribes gracile Pursh, non Michx.
Ribes missouriense Nutt. var. ozarkanum Fassett
Ribes triste Pall.
*+
swamp red currant
Ribes albinervium Michx.
Ribes propinquum Turcz.
Ribes rubrum L. var. alaskanum (Berger) B.Boivin
Ribes rubrum L. var. propinquum (Turcz.) Trautv. & C.A.Mey.
Ribes triste Pall. var. alaskanum Berger
Ribes triste Pall. var. albinervium (Michx.) Fernald
Family: Haloragaceae
Genus: Myriophyllum
Myriophyllum farwellii Morong
*+
Farwell's milfoil, Farwell's water-milfoil
Myriophyllum heterophyllum Michx.
+
two-leaf water-milfoil, various-leaved water-milfoil
Family: Hamamelidaceae
Genus: Hamamelis
Hamamelis virginiana L.
*+
American witch-hazel
Hamamelis androgyna Walter
Hamamelis corylifolia Moench
Hamamelis dioica Walter
Hamamelis macrophylla Pursh
Hamamelis virginiana L. var. angustifolia Nieuwl.
Hamamelis virginiana L. var. henryi Jenne
Hamamelis virginiana L. var. macrophylla (Pursh) Nutt.
Hamamelis virginiana L. var. orbiculata Nieuwl.
Hamamelis virginiana L. var. parvifolia Nutt.
Trilopus dentata Raf.
Trilopus estivalis Raf.
Trilopus nigra Raf.
Trilopus nigra Raf. var. catesbiana Raf.
Trilopus parvifolia (Nutt.) Raf.
Trilopus rotundifolia Raf.
Trilopus virginica (L.) Raf.
Family: Hydrocharitaceae
Genus: Elodea
Elodea canadensis Michx.
*+
Canadian waterweed, common waterweed
Anacharis canadensis (Michx.) Planch.
Anacharis canadensis (Michx.) Planch. var. planchonii (Casp.) Vict.
Elodea brandegeae H.St.John
Elodea ioensis Wylie
Elodea linearis (Rydb.) H.St.John
Elodea planchonii Casp.
Philotria canadensis (Michx.) Britton
Philotria linearis Rydb.
Family: Hydrophyllaceae
Genus: Hydrophyllum
Hydrophyllum virginianum L.
*+
John's-cabbage, Shawnee-salad, Virginia water-leaf
Hydrophyllum virginianum L. var. atranthum (Alexander) Constance
Hydrophyllum virginianum L. var. virginianum
Family: Hypericaceae
Genus: Hypericum
Hypericum canadense L.
*+
Canadian St. John's-wort, lesser Canadian St. John's-wort
Hypericum canadense L. var. galiiforme Fernald
Hypericum canadense L. var. magninsulare Weath.
Hypericum kalmianum L.
*+
Kalm's St. John's-wort
Hypericum pyramidatum Aiton
*+
giant St. John's-wort, great St. John's-wort
Hypericum ascyron L., misapplied
Family: Iridaceae
Genus: Iris
Iris virginica L. var. shrevei (Small) E.S.Anderson
*+
blue flag, Shreve's iris, southern blue flag, Virginia iris
Iris shrevei Small
Iris versicolor L. var. shrevei (Small) B.Boivin
Genus: Sisyrinchium
Sisyrinchium montanum Greene var. montanum
+
mountain blue-eyed grass, strict blue-eyed grass
Sisyrinchium heterocarpum E.P.Bicknell
Sisyrinchium montanum Greene subsp. montanum
Family: Juglandaceae
Genus: Carya
Carya cordiformis (Wangenh.) K.Koch
*+
bitter-nut hickory, pig-nut, yellow-bud hickory
Carya cordiformis (Wangenh.) K.Koch var. latifolia Sarg.
Hicoria cordiformis (Wangenh.) Britton
Hicoria minima (Marshall) Britton
Juglans alba L. var. minima Marshall
Juglans cordiformis Wangenh.
Genus: Juglans
Juglans cinerea L.
*+
butternut, white walnut
Wallia cinerea (L.) Alef.
Family: Juncaceae
Genus: Juncus
Juncus effusus L.
*+
common rush, soft rush
Juncus conglomeratus L.
Juncus effusus L. subsp. solutus
Juncus effusus L. var. caeruleomontanus H.St.John
Juncus effusus L. var. compactus auct. non Lej. & Courtois
Juncus effusus L. var. compactus Lej. & Courtois
Juncus effusus L. var. conglomeratus (L.) Engelm.
Juncus effusus L. var. costulatus Fernald
Juncus effusus L. var. decipiens of Amer. authors, not Buchenau
Juncus effusus L. var. effusus
Juncus effusus L. var. pylaei (Laharpe) Fernald & Wiegand
Juncus effusus L. var. solutus Fernald & Wiegand
Juncus griscomii Fernald
Juncus pylaei Laharpe
Juncus interior Wiegand
+
inland rush, interior rush
Juncus interior Wiegand var. interior
Juncus tenuis Willd.
*+
path rush, poverty rush, roadside rush
Juncus macer S.F.Gray
Juncus macer S.F.Gray f. williamsii (Fernald) F.J.Herm.
Juncus macer S.F.Gray var. williamsii (Fernald) Fernald
Juncus tenuis Willd. f. williamsii (Fernald) F.J.Herm.
Juncus tenuis Willd. var. multicornis E.Mey.
Juncus tenuis Willd. var. tenuis
Juncus tenuis Willd. var. williamsii Fernald
Genus: Luzula
Luzula acuminata Raf. var. acuminata
*+
hairy wood rush
Luzula carolinae S.Watson var. saltuensis (Fernald) Fernald
Luzula saltuensis Fernald
Luzula multiflora (Ehrh.) Lej. subsp. multiflora
*+
common wood rush
Juncus campestris L. var. multiflorus Retz.
Juncus multiflorus Ehrh.
Luzula campestris (L.) DC. var. multiflora (Retz.) Celak.
Family: Lamiaceae
Genus: Galeopsis
Galeopsis tetrahit L. var. bifida (Boenn.) Lej. & Courtois
+
brittle-stem hemp-nettle, common hemp-nettle, hemp-nettle
Galeopsis bifida Boenn.
Genus: Glechoma
Glechoma hederacea L. var. micrantha Moric.
+
creeping-Charlie, gill-over-the-ground, ground-ivy
Glechoma hederacea L. var. parviflora (Benth.) House
Nepeta hederacea (L.) Trevis. var. parviflora Benth.
Genus: Lycopus
Lycopus americanus Muhl. ex W.P.C.Barton
*+
American water-horehound, common water-horehound
Lycopus americanus Muhl. ex W.P.C.Barton var. longii Benner
Lycopus americanus Muhl. ex W.P.C.Barton var. scabrifolius Fernald
Lycopus sinuatus Elliott
Lycopus uniflorus Michx.
*+
northern bugleweed, northern water-horehound
Lycopus virginicus L. var. pauciflorus Benth.
Lycopus X sherardii Steele (pro sp.) X
+
Genus: Monarda
Monarda fistulosa L. subsp. fistulosa
*+
bee balm, wild bergamot
Monarda fistulosa L. f. albescens Farw.
Monarda fistulosa L. var. mollis (L.) Benth. subsp. fistulosa
Monarda fistulosa L. var. fistulosa
Monarda fistulosa L. var. mollis (L.) Benth.
Monarda fistulosa L. f. albiflora (Farw.) Sherff var. mollis (L.) Benth.
Monarda mollis L.
Monarda mollis L. f. albiflora Farw.
Monarda scabra Beck
Genus: Physostegia
Physostegia virginiana (L.) Benth. subsp. virginiana
*+
false dragonhead, obedience
Dracocephalum denticulatum Aiton
Dracocephalum formosius (Lunell) Rydb.
Dracocephalum virginianum L.
Physostegia denticulata (Aiton) Britton
Physostegia formosior Lunell
Physostegia granulosa Fassett
Physostegia speciosa (Sweet) Sweet
Physostegia speciosa (Sweet) Sweet var. glabriflora Fassett
Physostegia virginiana (L.) Benth. var. elongata B.Boivin
Physostegia virginiana (L.) Benth. var. formosior (Lunell) B.Boivin
Physostegia virginiana (L.) Benth. var. granulosa (Fassett) Fernald
Physostegia virginiana (L.) Benth. var. speciosa (Sweet) A.Gray
Physostegia virginiana (L.) Benth. var. virginiana
Genus: Prunella
Prunella vulgaris L. subsp. lanceolata
+
lance self-heal
Prunella pennsylvanica Willd. var. lanceolata W.P.C.Barton
Prunella vulgaris L. var. elongata Benth.
Prunella vulgaris L. var. lanceolata (W.P.C.Barton) Fernald
Prunella vulgaris L. f. iodocalyx Fernald var. lanceolata (W.P.C.Barton) Fernald
Genus: Scutellaria
Scutellaria lateriflora L.
*+
blue skullcap, mad-dog skullcap
Scutellaria lateriflora L. var. lateriflora
Genus: Stachys
Stachys palustris L. subsp. palustris
+
hedge-nettle, marsh hedge-nettle, woundwort
Stachys palustris L. var. macrocalyx Jenn.
Stachys palustris L. var. nipigonensis Jenn.
Stachys palustris L. var. palustris
Stachys tenuifolia Willd. var. tenuifolia
*+
narrow-leaved hedge-nettle, smooth hedge-nettle
Stachys glabra Riddell
Stachys hispida Pursh
Stachys palustris L. var. hispida (Pursh) B.Boivin
Stachys tenuifolia Willd. var. hispida (Pursh) Fernald
Stachys tenuifolia Willd. var. platyphylla Fernald
Family: Lemnaceae
Genus: Lemna
Lemna minor L.
*+
common duckweed, lesser duckweed, small duckweed
Lemna cyclostasa Elliott ex Schleid.
Lemna turionifera Landolt
*+
perennial duckweed, Turion duckweed
Genus: Spirodela
Spirodela polyrrhiza (L.) Schleid.
*+
giant duckweed, greater duckweed
Lemna polyrrhiza L.
Spirodela polyrrhiza (L.) Schleid. var. masonii Daubs
Family: Lentibulariaceae
Genus: Utricularia
Utricularia minor L.
*+
lesser bladderwort, small bladderwort
Utricularia vulgaris L.
*+
Common bladderwort, great bladderwort
Utricularia macrorhiza Leconte
Utricularia vulgaris L. subsp. macrorhiza
Utricularia vulgaris L. var. americana A.Gray
Family: Liliaceae
Genus: Allium
Allium tricoccum Sol.
*+
ramp, wild leek
Allium tricoccum Sol. var. burdickii Hanes
*+
narrow-leaved wild leek, wild leek
Allium burdickii (Hanes) A.G.Jones
Allium tricoccum Sol. var. tricoccum
*+
ramp, wild leek
Allium pictum Moldenke
Allium triflorum Raf.
Ophioscorodon tricoccum (Sol.) Wallr.
Validallium tricoccum (Sol.) Small
Genus: Clintonia
Clintonia borealis (Aiton) Raf.
*+
blue-bead-lily, corn-lily, yellow blue-bead-lily, yellow clintonia
Dracaena borealis Aiton
Genus: Erythronium
Erythronium albidum Nutt.
*+
small white fawn-lily, white dog-tooth violet, white trout-lily
Erythronium americanum Ker Gawl. subsp. americanum
*+
American trout-lily, yellow dog-tooth violet, yellow trout-lily
Erythronium americanum Ker Gawl. f. bachii (Farw.) Dole
Genus: Hemerocallis
Hemerocallis fulva (L.) L.
*+
orange daylily, tawny daylily
Hemerocallis fulva (L.) L. var. fulva
Hemerocallis lilioasphodelus L. var. fulva L.
Genus: Lilium
Lilium michiganense Farw.
*+
Michigan lily, Turk's-cap lily
Lilium canadense L. subsp. michiganense
Lilium canadense L. var. umbelliferum (Farw.) B.Boivin
Lilium michiganense Farw. var. umbelliferum Farw.
Lilium michiganense Farw. var. uniflorum Farw.
Genus: Maianthemum
Maianthemum canadense Desf.
*+
Canada bead-ruby, Canada mayflower, wild lily-of-the-valley
Maianthemum canadense Desf. var. canadense
+
Canada bead-ruby, Canada mayflower, wild lily-of-the-valley
Smilacina canadensis (Desf.) Pursh
Unifolium canadense (Desf.) Greene
Maianthemum canadense Desf. var. interius Fernald
+
Canada mayflower, wild lily-of-the-valley
Maianthemum canadense Desf. subsp. interius
Maianthemum canadense Desf. var. pubescens Gates & Ehlers
Maianthemum racemosum (L.) Link subsp. racemosum
*+
false Solomon's-seal, false spikenard, large false Solomon's-seal, Solomon's-plume
Convallaria racemosa L.
Smilacina ciliata Desf.
Smilacina flexicaulis Wender.
Smilacina racemosa (L.) Desf. var. cylindrata Fernald
Smilacina racemosa (L.) Desf. var. lanceolata B.Boivin
Smilacina racemosa (L.) Desf. var. racemosa
Smilacina racemosa (L.) Desf. var. typica Fernald
Unifolium racemosum (L.) Britton
Vagnera australis Rydb.
Vagnera racemosa (L.) Morong
Vagnera retusa Raf.
Maianthemum stellatum (L.) Link
*+
little false Solomon's-seal, starflower Solomon's-seal, starry false Solomon's-seal
Convallaria stellata L.
Smilacina liliacea (Greene) F.L.Wynd
Smilacina sessilifolia Nutt. ex Baker
Smilacina stellata (L.) Desf.
Smilacina stellata (L.) Desf. var. crassa Vict.
Smilacina stellata (L.) Desf. var. mollis Farw.
Smilacina stellata (L.) Desf. var. sessilifolia (Nutt. ex Baker) G.Hend.
Smilacina stellata (L.) Desf. var. sylvatica Vict. & J.Rousseau
Unifolium liliaceum Greene
Unifolium stellautum (L.) Greene
Vagnera liliacea (Greene) Rydb.
Vagnera sessilifolia (Nutt. ex Baker) Greene
Vagnera stellata (L.) Morong
Genus: Polygonatum
Polygonatum biflorum (Walter) Elliott
*+
giant Solomon's-seal, king Solomon's-seal, smooth Solomon's-seal, Solomon's-seal
Convallaria biflora Walter, pro parte
Polygonatum biflorum (Walter) Elliot var. commutatum (Schult.f.) Morong
Polygonatum biflorum (Walter) Elliott var. melleum (Farw.) R.P.Ownbey
Polygonatum canaliculatum auct. non (Muhl. ex Willd.) Pursh
Polygonatum cobrense (Wooton & Standl.) R.R.Gates
Polygonatum commutatum (Schult.f.) A.Dietr.
Polygonatum commutatum (Schult.f.) A.Dietr. f. foliatum H.M.Clarke
Polygonatum giganteum A.Dietr.
Polygonatum melleum Farw.
Polygonatum pubescens (Willd.) Pursh
*+
downy Solomon's-seal, hairy Solomon's-seal
Convallaria pubescens Willd.
Genus: Streptopus
Streptopus lanceolatus (Aiton) Reveal var. longipes (Fernald) Reveal
*+
twisted-stalk
Streptopus longipes Fernald
Steptopus roseus Michx. subsp. longipes
Streptopus roseus Michx. var. longipes (Fernald) Fassett
Genus: Trillium
Trillium cernuum L.
*+
nodding trillium, whip-poor-will flower
Trillium cernuum L. var. cernuum
Trillium cernuum L. var. macranthum A.J.Eames & Wiegand
Trillium grandiflorum (Michx.) Salisb.
*+
big white trillium, great white trillium, large-flowered trillium, snow trillium, white trillium, white wake-robin
Trillium erythrocarpum Curtis 1805, not Michx. 1803
Trillium rhomboideum Michx. var. grandiflorum Michx.
Genus: Uvularia
Uvularia grandiflora Sm.
*+
large-flowered bellwort
Uvularia sessilifolia L.
*+
sessile bellwort, sessile-leaved bellwort, straw-lily, wild-oats
Oakesiella sessilifolia (L.) Small
Oakesia sessilifolia (L.) S.Watson
Family: Limnanthaceae
Genus: Floerkea
Floerkea proserpinacoides Willd.
*+
false mermaid, false mermaid-weed
Floerkea occidentalis Rydb.
Family: Lobeliaceae
Genus: Lobelia
Lobelia inflata L.
*+
Indian-tobacco
Lobelia siphilitica L.
*+
great blue lobelia
Lobelia siphilitica L. var. siphilitica
+
great blue lobelia
Lobelia siphilitica L. f. albiflora Britton
Family: Lycopodiaceae
Genus: Huperzia
Huperzia lucidula (Michx.) Trevis.
*+
shining club-moss, shining fir-moss
Lycopodium lucidulum Michx.
Lycopodium reflexum Sw., non Lam.
Urostachys lucidulus (Michx.) Herter ex Nessel
Genus: Lycopodiella
Lycopodiella inundata (L.) Holub
*+
bog club-moss, marsh club-moss, northern bog club-moss
Lepidotis inundata (L.) Börner
Lycopodium inundatum L.
Genus: Lycopodium
Lycopodium clavatum L.
*+
running club-moss, running ground-pine, running-pine, staghorn club-moss
Lycopodium clavatum L. var. clavatum
Lycopodium clavatum L. var. laurentianum Vict.
Lycopodium clavatum L. var. subremotum Vict.
Lycopodium clavatum L. var. tristachyum Hook.
Lycopodium dendroideum Michx.
*+
northern tree club-moss, round-branched club-moss
Lycopodium obscurum L. var. dendroideum (Michx.) D.C.Eaton
Lycopodium obscurum L. var. hybridum Farw.
Lycopodium hickeyi W.H.Wagner, Beitel & R.C.Moran
*+
Hickey's club-moss, intermediate ground-pine
Lycopodium obscurum L. var. isophyllum Hickey
Lycopodium obscurum L.
*+
flat-branched ground-pine, princess'-pine, rare club-moss
Lycopodium obscurum L. var. obscurum
Family: Malvaceae
Genus: Abutilon
Abutilon theophrasti Medik.
*+
piemarker, velvet-leaf
Abutilon abutilon (L.) Rusby
Abutilon avicennae Gaertn.
Genus: Malva
Malva neglecta Wallr.
*+
cheeses, common mallow
Malva rotundifolia auct. non L.
Family: Menispermaceae
Genus: Menispermum
Menispermum canadense L.
*+
Canadian moonseed, common moonseed
Family: Molluginaceae
Genus: Mollugo
Mollugo verticillata L.
*+
carpetweed, green carpetweed, Indian chickweed
Mollugo berteriana Ser.
Family: Myricaceae
Genus: Comptonia
Comptonia peregrina (L.) J.M.Coult.
*+
sweet-fern
Comptonia ceterach Mirb.
Comptonia peregrina (L.) J.M.Coult. var. asplenifolia (L.) Fernald
Comptonia peregrina (L.) J.M.Coult. var. tomentosa A.Chev.
Liquidambar peregrina L.
Myrica asplenifolia L.
Myrica asplenifolia L. var. tomentosa (A.Chev.) Gleason
Myrica comptonia C.DC.
Myrica peregrina (L.) Kuntze
Family: Nelumbonaceae
Genus: Nelumbo
Nelumbo lutea Willd.
*+
American lotus-lily, lotus, water-chinquapin
Nelumbium luteum Willd. (orthographic error)
Nelumbo nucifera Gaertn. subsp. lutea
Nelumbo pentapetala sensu Fernald, non Nymphaea pentaphylla Walter
Family: Nymphaeaceae
Genus: Nuphar
Nuphar variegata Durand
*+
bull-head pond-lily
Nuphar advena (Aiton) W.T.Aiton var. fraterna (G.S.Mill. & Standl.) Standl.
Nuphar fraterna (G.S.Mill. & Standl.) Standl.
Nuphar lutea (L.) Sm. subsp. variegata
Nymphaea americana G.S.Mill. & Standl.
Nymphaea fraterna G.S.Mill. & Standl.
Family: Oleaceae
Genus: Fraxinus
Fraxinus americana L.
*+
white ash
Fraxinus americana L. f. iodocarpa Fernald
Fraxinus americana L. var. americana
Fraxinus americana L. var. biltmoreana (Beadle) J.Wright ex Fernald
Fraxinus americana L. var. crassifolia Sarg.
Fraxinus americana L. var. curtissii (Vasey) Small
Fraxinus americana L. var. juglandifolia (Lam.) Rehder
Fraxinus americana L. var. microcarpa A.Gray
Fraxinus biltmoreana Beadle
Fraxinus curtissii Vasey
Fraxinus juglandifolia Lam.
Fraxinus nigra Marshall
*+
black ash
Fraxinus pennsylvanica Marshall
*+
green ash, red ash
Fraxinus campestris Britton
Fraxinus darlingtonii Britton
Fraxinus juglandifolia Lam. var. subintegerrima Vahl
Fraxinus lanceolata Borkh.
Fraxinus pennsylvanica Marshall var. austinii Fernald
Fraxinus pennsylvanica Marshall var. lanceolata (Borkh.) Sarg.
Fraxinus pennsylvanica Marshall var. pennsylvanica
Fraxinus pennsylvanica Marshall var. subintegerrima (Vahl) Fernald
Fraxinus smallii Britton
Family: Onagraceae
Genus: Circaea
Circaea alpina L. subsp. alpina
*+
alpine enchanter's-nightshade, northern enchanter's-nightshade, small enchanter's-nightshade
Circaea alpina L. var. alpina
Circaea lutetiana L. subsp. canadensis
*+
broad-leaf enchanter's-nightshade
Circaea canadensis (L.) Hill
Circaea canadensis (L.) Hill var. virginiana Fernald
Circaea latifolia Hill
Circaea lutetiana L. var. canadensis L.
Circaea quadrisulcata (Maxim.) Franch. & Sav. subsp. canadensis
Circaea quadrisulcata (Maxim.) Franch. & Sav. var. canadensis (L.) Hara
Genus: Epilobium
Epilobium angustifolium L. subsp. circumvagum
*+
fireweed, great willow-herb
Epilobium angustifolium L. f. albiflorum (Dumort.) Hausskn.
Epilobium angustifolium L. var. canescens A.W.Wood
Epilobium coloratum Biehler
*+
cinnamon willow-herb, eastern willow-herb
Genus: Oenothera
Oenothera biennis L.
*+
bastard evening-primrose, common evening-primrose
Oenothera biennis L. subsp. caeciarum
Oenothera biennis L. subsp. centralis
Oenothera biennis L. var. biennis
Oenothera biennis L. var. pycnocarpa (G.F.Atk. & Bartlett) Wiegand
Oenothera muricata L.
Oenothera pycnocarpa G.F.Atk. & Bartlett
Oenothera parviflora L.
*+
northern evening-primrose, small-flowered evening-primrose
Oenothera cruciata Nutt. ex G.Don var. sabulonensis Fernald
Oenothera cymatilis Bartlett
Oenothera rubricapitata R.R.Gates
Oenothera perennis L.
*+
small evening-primrose, small sundrops
Kneiffia perennis (L.) Pennell
Kneiffia pumila (L.) Spach
Oenothera perennis L. var. rectipilis (S.F.Blake) S.F.Blake
Oenothera perennis L. var. typica Munz
Oenothera pumila L.
Oenothera pumila L. var. rectipilis S.F.Blake
Family: Ophioglossaceae
Genus: Botrychium
Botrychium dissectum Spreng.
*+
cut-leaved grape fern, dissected grape fern, lace-frond grape fern
Botrychium dissectum Spreng. f. dissectum
Botrychium dissectum Spreng. f. elongatum (Gilbert & Haberer) Weath.
Botrychium dissectum Spreng. f. obliquum (Muhl. ex Willd.) Fernald
Botrychium dissectum Spreng. var. dissectum
Botrychium dissectum Spreng. var. obliquum (Muhl. ex Willd.) Clute
Botrychium dissectum Spreng. var. oblongifolium (E.W.Graves) M.Broun
Botrychium obliquum Muhl. ex Willd.
Botrychium obliquum Muhl. ex Willd. var. dissectum (Spreng.) Prantl
Botrychium obliquum Muhl. ex Willd. var. elongatum Gilbert & Haberer
Botrychium matricariifolium (Döll) A.Braun ex W.D.J.Koch
*+
daisy-leaf grape fern, daisy-leaf moonwort, matricary grape fern
Botrychium lunaria (L.) Sw. var. matricariifolium Döll
Botrychium matricariifolium (Döll) A.Braun ex W.D.J.Koch var. matricariifolium
Botrychium neglectum A.W.Wood
Botrychium virginianum (L.) Sw.
*+
rattlesnake fern
Botrychium virginianum (L.) Sw. subsp. europaeum
Botrychium virginianum (L.) Sw. var. europaeum Ĺngstr.
Osmunda virginiana L.
Genus: Ophioglossum
Ophioglossum pusillum Raf.
*+
adder's-tongue, northern adder's-tongue
Ophioglossum vulgatum auct. non L.
Ophioglossum vulgatum L. var. alaskanum (E.Britton) C.Chr.
Ophioglossum vulgatum L. var. pseudopodum (S.F.Blake) Farw.
Family: Orchidaceae
Genus: Calopogon
Calopogon tuberosus (L.) Britton, Sterns & Poggenb. var. tuberosus
*+
grass pink, tuberous grass pink
Calopogon pulchellus (Salisb.) R.Br.
Calopogon pulchellus (Salisb.) R.Br. var. latifolius (H.St.John) Fernald
Calopogon tuberosus (L.) Britton, Sterns & Poggenb. var. latifolius (H.St.John) B.Boivin
Cathea pulchella Salisb.
Cathea tuberosa (L.) Morong
Cymbidium pulchellum (Salisb.) Sw.
Helleborine tuberosa (L.) Kuntze
Limodorum barbatum Lam.
Limodorum pulchellum Salisb.
Limodorum tuberosum L.
Limodorum tuberosum L. var. nanum Nieuwl.
Genus: Coeloglossum
Coeloglossum viride (L.) Hartm. var. virescens (Muhl.) Luer
*+
long-bracted green orchid, frog orchid
Coeloglossum bracteatum (Muhl.) Parl.
Coeloglossum viride (L.) Hartm. subsp. bracteatum
Habenaria bracteata (Muhl.) R.Br.
Habenaria viridis (L.) R.Br. var. bracteata (Muhl.) A.Gray
Orchis bracteata Muhl.
Orchis virescens Muhl.
Genus: Galearis
Galearis spectabilis (L.) Raf.
*+
showy orchis
Galeorchis spectabilis (L.) Rydb.
Orchis spectabilis L.
Genus: Malaxis
Malaxis unifolia Michx.
*+
green adder's-mouth
Achroanthes unifolia (Michx.) Raf.
Malaxis ophioglossoides Muhl. ex Willd.
Malaxis thlaspiformis A.Rich. & Galeotti
Malaxis unifolia Michx. f. bifolia Mousley
Malaxis unifolia Michx. f. unifolia
Microstylis grisebachiana Fawc. & Rendle
Microstylis unifolia (Michx.) Britton, Sterns & Poggenb.
Genus: Platanthera
Platanthera clavellata (Michx.) Luer
*+
club-spur orchid, green woodland orchid, small green fringed orchid
Denslovia clavellata (Michx.) Rydb.
Gymnadeniopsis clavellata (Michx.) Rydb.
Habenaria clavellata (Michx.) Spreng.
Habenaria clavellata (Michx.) Spreng. var. ophioglossoides Fernald
Habenaria clavellata (Michx.) Spreng. var. wrightii Olive
Orchis clavellata Michx.
Platanthera hookeri (Torr. ex A.Gray) Lindl.
*+
Hooker's orchid, pad-leaf
Habenaria hookeri Torr. ex A.Gray
Habenaria hookeri Torr. ex A.Gray var. abbreviata Fernald
Lysias hookeriana (Torr. ex A.Gray) Rydb.
Orchis hookeri (Torr. ex A.Gray) A.W.Wood
Platanthera hookeri (Torr. ex A.Gray) Lindl. var. abbreviata (Fernald) W.J.Schrenk
Platanthera psycodes (L.) Lindl.
*+
lesser purple fringed orchid
Blephariglottis psycodes (L.) Rydb.
Habenaria psycodes (L.) Spreng.
Habenaria psycodes (L.) Spreng. var. psycodes
Orchis psycodes L.
Genus: Pogonia
Pogonia ophioglossoides (L.) Ker Gawl.
*+
adder's-mouth, rose pogonia, snakemouth orchid
Arethusa ophioglossoides L.
Pogonia ophioglossoides (L.) Ker Gawl. f. albiflora E.L.Rand & Redfield
Pogonia ophioglossoides (L.) Ker Gawl. f. ophioglossoides
Pogonia ophioglossoides (L.) Juss. var. brachypogon Fernald
Genus: Spiranthes
Spiranthes cernua (L.) Rich.
*+
nodding lady's-tresses
Gyrostachys cernua (L.) Kuntze
Ibidium cernuum (L.) House
Ophrys cernua L.
Spiranthes cernua (L.) Rich. var. incurva Jenn.
Spiranthes lacera (Raf.) Raf. var. lacera
+
northern slender lady's-tresses
Neottia lacera Raf.
Spiranthes romanzoffiana Cham.
*+
hooded lady's-tresses
Gyrostachys stricta Rydb.
Ibidium romanzoffianum (Cham.) House
Ibidium strictum (Rydb.) House
Spiranthes stricta (House) A.Nelson
Family: Orobanchaceae
Genus: Conopholis
Conopholis americana (L.) Wallr.
*+
American squawroot
Orobanche americana L.
Family: Osmundaceae
Genus: Osmunda
Osmunda cinnamomea L.
*+
cinnamon fern
Osmunda cinnamomea L. f. frondosa (Torr. & A.Gray) Britton
Osmunda cinnamomea L. f. incisa (Huntington) Gilbert
Osmunda cinnamomea L. var. cinnamomea
Osmunda cinnamomea L. var. frondosa Torr. & A.Gray
Osmunda cinnamomea L. var. glandulosa Waters
Osmunda claytoniana L.
*+
interrupted fern
Osmunda regalis L. var. spectabilis (Willd.) A.Gray
*+
American royal fern, flowering fern, royal fern
Osmunda spectabilis Willd.
Family: Oxalidaceae
Genus: Oxalis
Oxalis corniculata L.
+
creeping yellow wood-sorrel
Acetosella corniculata (L.) Kuntze
Oxalis corniculata L. var. atropurpurea Planch.
Oxalis corniculata L. var. langloisii (Small) Wiegand
Oxalis corniculata L. var. lupulina (Kunth) Zucc.
Oxalis corniculata L. var. macrophylla Arsčne ex R.Knuth
Oxalis corniculata L. var. minor Laing
Oxalis corniculata L. var. reptans Laing
Oxalis corniculata L. var. villosa (M.Bieb.) Hohen.
Oxalis corniculata L. var. viscidula Wiegand
Oxalis langloisii (Small) Fedde
Oxalis lupulina Kunth
Oxalis pusilla Salisb.
Oxalis repens Thunb.
Oxalis villosa M.Bieb.
Xanthoxalis corniculata (L.) Small
Xanthoxalis corniculata (L.) Small var. atropurpurea (Planch.) Moldenke
Xanthoxalis langloisii Small
Xanthoxalis repens (Thunb.) Moldenke
Oxalis stricta L.
*+
common yellow oxalis, tall wood-sorrel
Ceratoxalis coloradensis (Rydb.) Lunell
Ceratoxalis cymosa (Small) Lunell
Oxalis bushii Small
Oxalis coloradensis Rydb.
Oxalis europaea Jord.
Oxalis europaea Jord. f. cymosa (Small) Wiegand
Oxalis europaea Jord. f. pilosella Wiegand
Oxalis europaea Jord. f. subglabrata Wiegand
Oxalis europaea Jord. f. villicaulis Wiegand
Oxalis europaea Jord. var. bushii (Small) Wiegand
Oxalis europaea Jord. f. vestita Wiegand var. bushii (Small) Wiegand
Oxalis europaea Jord. var. rufa (Small) Young
Oxalis fontana Bunge
Oxalis fontana Bunge var. bushii (Small) Hara
Oxalis interior (Small) Fedde
Oxalis rufa Small
Oxalis stricta L. var. decumbens Bitter
Oxalis stricta L. var. piletocarpa Wiegand
Oxalis stricta L. var. rufa (Small) Farw.
Oxalis stricta L. var. villicaulis (Wiegand) Farw.
Oxalis cymosa Small
Xanthoxalis bushii (Small) Small
Xanthoxalis coloradensis (Rydb.) Rydb.
Xanthoxalis cymosa (Small) Small
Xanthoxalis dillenii (Jacq.) Holub var. piletocarpa (Wiegand) Holub
Xanthoxalis interior Small
Xanthoxalis rufa (Small) Small
Xanthoxalis stricta (L.) Small
Xanthoxalis stricta (L.) Small var. piletocarpa (Wiegand) Moldenke
Family: Papaveraceae
Genus: Sanguinaria
Sanguinaria canadensis L.
*+
bloodroot
Sanguinaria australis Greene
Sanguinaria canadensis L. var. rotundifolia (Greene) Fedde
Sanguinaria dilleniana Greene
Sanguinaria rotundifolia Greene
Family: Pinaceae
Genus: Abies
Abies balsamea (L.) Mill.
*+
balsam fir, Canada balsam
Pinus balsamea L.
Genus: Larix
Larix laricina (Du Roi) K.Koch
*+
larch, tamarack
Larix alaskensis W.Wight
Larix laricina (Du Roi) K.Koch var. alaskensis (W.Wight) Raup
Pinus laricina Du Roi
Genus: Picea
Picea glauca (Moench) Voss
*+
white spruce
Abies canadensis Mill.
Picea alba (Aiton) Link
Picea albertiana S.Br.
Picea canadensis (Mill.) Britton, Sterns & Poggenb.
Picea canadensis (Mill.) Britton, Sterns & Poggenb. var. glauca (Moench) Sudw.
Picea glauca (Moench) Voss var. albertiana (S.Br.) Sarg.
Picea glauca (Moench) Voss var. densata L.H.Bailey
Picea glauca (Moench) Voss var. porsildii Raup
Pinus alba Aiton
Pinus glauca Moench
Picea mariana (Mill.) Britton, Sterns & Poggenb.
*+
black spruce
Abies mariana Mill.
Picea mariana (Mill.) Britton, Sterns & Poggenb. var. mariana
Genus: Pinus
Pinus banksiana Lamb.
*+
jack pine
Pinus divaricata (Aiton) Sudw.
Pinus resinosa Aiton
*+
Canadian pine, Norway pine, red pine
Pinus strobus L.
*+
eastern white pine
Strobus strobus (L.) Small
Genus: Tsuga
Tsuga canadensis (L.) Carričre
*+
eastern hemlock, hemlock, northern hemlock
Pinus canadensis L.
Family: Plantaginaceae
Genus: Plantago
Plantago major L.
*+
broad-leaved plantain, common plantain, plantain
Plantago major L. var. scopulorum Fr. & Broberg
Family: Poaceae
Genus: Agrostis
Agrostis gigantea Roth
*+
redtop
Agrostis alba auct. non L.
Agrostis gigantea Roth var. dispar (Michx.) Philipson
Agrostis gigantea Roth var. ramosa (S.F.Gray) Philipson
Agrostis nigra With.
Agrostis stolonifera L. subsp. gigantea
Agrostis stolonifera L. var. major (Gaudin) Farw.
Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. var. scabra (Willd.) Blomq.
*+
rough bent grass, southern hair grass, tickle grass
Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. var. tenuis (Tuck.) Gleason
Agrostis scabra Willd.
Agrostis scabra Willd. var. scabra
Agrostis perennans (Walter) Tuck. var. perennans
*+
autumn bent grass, thin grass, upland bent grass
Agrostis oreophila Trin.
Agrostis perennans (Walter) Tuck. var. aestivalis Vasey
Agrostis schweinitzii Trin.
Cornucopiae perennans Walter
Agrostis stolonifera L.
+
creeping bent grass, creeping tickle grass
Genus: Alopecurus
Alopecurus pratensis L.
*+
meadow foxtail
Genus: Andropogon
Andropogon gerardii Vitman
*+
big blue-stem, turkey-foot
Andropogon furcatus Muhl. ex Willd.
Andropogon provincialis Lam.
Genus: Aristida
Aristida basiramea Engelm. ex Vasey
*+
fork-tip three-awn grass
Aristida basiramea Engelm. ex Vasey var. basiramea
Genus: Avena
Avena fatua L.
+
wild oats
Avena fatua L. var. glabrata Peterm.
Avena fatua L. var. vilis (Wallr.) Hausskn.
Genus: Brachyelytrum
Brachyelytrum aristosum (Michx.) Trel.
+
bearded shorthusk, long-awned wood grass, northern shorthusk
Brachyelytrum aristosum (Michx.) Trel. var. glabratum Vasey ex Millsp.
Brachyelytrum erectum (Schreb. ex Spreng.) P.Beauv. var. glabratum (Vasey ex Millsp.) T.Koyama & Kawano
Brachyelytrum erectum (Schreb. ex Spreng.) P.Beauv. var. septentrionale Babel
Brachyelytrum septentrionale (Babel) G.C.Tucker
Brachyelytrum erectum (Schreb. ex Spreng.) P.Beauv.
*+
bearded shorthusk, long-awned wood grass
Brachyelytrum erectum (Schreb. ex Spreng.) P.Beauv. var. erectum
Genus: Bromus
Bromus ciliatus L.
*+
fringed brome
Bromopsis ciliata (L.) Holub
Bromus ciliatus L. f. ciliatus
Bromus ciliatus L. f. denudatus Wiegand
Bromus ciliatus L. var. ciliatus
Bromus ciliatus L. var. denudatus (Wiegand) Fernald
Bromus ciliatus L. var. genuinus Fernald
Bromus ciliatus L. var. intonsus Fernald
Bromus dudleyi Fernald
Bromus inermis Leyss.
*+
Hungarian brome, smooth brome
Bromus inermis Leyss. f. aristatus (Schur) Fernald
Bromus inermis Leyss. f. inermis
Bromus inermis Leyss. f. villosus (Mert. & W.D.J.Koch) Fernald
Bromus inopinatus Brues
Bromus pubescens Muhl. ex Willd.
*+
Canadian brome, hairy woodland brome
Bromopsis pubescens (Muhl. ex Willd.) Holub
Bromus purgans auct. mult. non L.
Bromus purgans L. f. glabriflorus Wiegand
Bromus purgans L. f. laevivaginatus Wiegand
Genus: Calamagrostis
Calamagrostis canadensis (Michx.) P.Beauv.
*+
blue-joint grass
Calamagrostis canadensis (Michx.) P.Beauv. var. canadensis
+
big reed grass, blue-joint grass
Calamagrostis anomala Suksd.
Calamagrostis atropurpurea Nash
Calamagrostis canadensis (Michx.) P.Beauv. var. acuminata Vasey ex Shear & Rydb.
Calamagrostis canadensis (Michx.) P.Beauv. var. pallida (Vasey & Scribn.) Stebbins
Calamagrostis canadensis (Michx.) P.Beauv. var. robusta Vasey
Calamagrostis canadensis (Michx.) P.Beauv. var. typica Stebbins
Calamagrostis expansa Rickett & Gilly var. robusta (Vasey) Stebbins
Calamagrostis inexpansa A.Gray var. cuprea Kearney
Calamagrostis inexpansa A.Gray var. robusta (Vasey) Stebbins
Genus: Cinna
Cinna arundinacea L.
*+
common wood-reed, sweet wood-reed, stout wood-reed
Cinna arundinacea L. var. arundinacea
Cinna arundinacea L. var. inexpansa Fernald & Griscom
Cinna latifolia (Trevir. ex Göpp.) Griseb.
*+
drooping wood-reed
Genus: Dactylis
Dactylis glomerata L.
*+
orchard grass
Genus: Danthonia
Danthonia spicata (L.) P.Beauv. ex Roem. & Schult.
*+
poverty danthonia, poverty grass, poverty oat grass
Danthonia spicata (L.) P.Beauv. ex Roem. & Schult. var. longipila Scribn. & Merr.
Danthonia spicata (L.) P.Beauv. ex Roem. & Schult. var. pinetorum Piper
Danthonia thermalis Scribn.
Genus: Dichanthelium
Dichanthelium acuminatum (Sw.) Gould & C.A.Clark subsp. columbianum
*+
hemlock panic grass
Dichanthelium columbianum (Scribn.) Freckmann
Dichanthelium sabulorum (Lam.) Gould & C.A.Clark var. thinium (Hitchc. & Chase) Gould & C.A.Clark
Panicum acuminatum Sw. var. columbianum (Scribn.) Lelong
Panicum columbianum Scribn.
Panicum heterophyllum Bosc ex Nees
Panicum sabulorum Lam. var. thinium (Hitchc. & Chase) C.F.Reed
Panicum tsugetorum Nash
Panicum unciphyllum Trin. var. thinium Hitchc. & Chase
Dichanthelium acuminatum (Sw.) Gould & C.A.Clark subsp. fasciculatum
+
western panic grass
Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. fasciculatum (Torr.) Freckmann
Dichanthelium lanuginosum (Elliott) Gould var. fasciculatum (Torr.) Spellenb.
Panicum acuminatum Sw. var. fasciculatum (Torr.) Lelong
Panicum brodiei H.St.John
Panicum glutinoscabrum Fernald
Panicum huachucae Ashe
Panicum huachucae Ashe var. fasciculatum (Torr.) F.T.Hubb.
Panicum languidum Hitchc.
Panicum lanuginosum Elliott, non Bosc ex Spreng. var. fasciculatum (Torr.) Fernald
Panicum lanuginosum Elliott, non Bosc ex Spreng. var. huachucae (Ashe) Hitchc.
Panicum lanuginosum Elliott, non Bosc ex Spreng. var. septentrionale (Fernald) Fernald
Panicum lanuginosum Elliott, non Bosc ex Spreng. var. tennesseense (Ashe) Gleason
Panicum lassenianum Schmoll
Panicum lindheimeri Nash var. fasciculatum (Torr.) Fernald
Panicum occidentale Scribn.
Panicum pacificum Hitchc. & Chase
Panicum subvillosum Ashe
Panicum tennesseense Ashe
Dichanthelium acuminatum (Sw.) Gould & C.A.Clark subsp. implicatum
*+
mat panic grass
Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. implicatum (Scribn.) Gould & C.A.Clark
Dichanthelium meridionale (Ashe) Freckmann
Panicum acuminatum Sw. var. implicatum (Scribn.) C.F.Reed
Panicum albemarlense Ashe
Panicum columbianum Scribn. var. oricola (Hitchc. & Chase) Fernald
Panicum columbianum Scribn. var. thinium Hitchc. & Chase
Panicum heterophyllum Bosc ex Nees var. thinium (Hitchc. & Chase) F.T.Hubb.
Panicum implicatum Scribn.
Panicum lanuginosum Elliott, non Bosc ex Spreng. var. implicatum (Scribn.) Fernald
Panicum leucothrix Nash, sensu Gleason & Cronquist (1991)
Panicum meridionale Ashe
Panicum meridionale Ashe var. albemarlense (Ashe) Fernald
Panicum oricola Hitchc. & Chase
Dichanthelium acuminatum (Sw.) Gould & C.A.Clark subsp. lindheimeri
+
Lindheimer's panic grass
Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. lindheimeri (Nash) Gould & C.A.Clark
Dichanthelium lanuginosum (Elliott) Gould var. lindheimeri (Nash) Fernald
Dichanthelium lindheimeri (Nash) Gould
Panicum acuminatum Sw. var. lindheimeri (Nash) Lelong
Panicum lanuginosum Elliott, non Bosc ex Spreng. var. lindheimeri (Nash) Fernald
Panicum lindheimeri Nash
Dichanthelium boreale (Nash) Freckmann
*+
northern panic grass
Panicum bicknellii Nash
Panicum bicknellii Nash var. bushii (Nash) Farw.
Panicum boreale Nash
Panicum boreale Nash var. michiganense Farw.
Panicum bushii Nash
Panicum calliphyllum Ashe
Dichanthelium depauperatum (Muhl.) Gould
*+
poverty panic grass, starved panic grass
Panicum depauperatum Muhl.
Panicum depauperatum Muhl. var. depauperatum
Panicum depauperatum Muhl. var. involutum (Torr.) A.W.Wood
Panicum depauperatum Muhl. var. psilophyllum Fernald
Panicum strictum Pursh var. psilophyllum (Fernald) Farw.
Dichanthelium latifolium (L.) Harvill
*+
broad-leaved panic grass
Panicum latifolium L.
Panicum macrocarpon Leconte ex Torr.
Dichanthelium leibergii (Vasey) Freckmann
*+
Leiberg's panic grass, prairie panic grass
Panicum leibergii (Vasey) Scribn.
Panicum scoparium Lam. var. leibergii Vasey
Panicum scribnerianum Nash var. leibergii (Vasey) Scribn.
Dichanthelium linearifolium (Scribn.) Gould
*+
linear-leaved panic grass, slender-leaved panic grass
Dichanthelium linearifolium (Scribn.) Gould var. werneri (Scribn.) Mohlenbr.
Panicum linearifolium Scribn.
Panicum linearifolium Scribn. var. linearifolium
Panicum linearifolium Scribn. var. werneri (Scribn.) Fernald
Panicum strictum Pursh var. linearifolium (Scribn.) Farw.
Panicum werneri Scribn.
Dichanthelium oligosanthes (Schult.) Gould subsp. scribnerianum
*+
few-flowered panic grass, Scribner's panic grass, Scribner's rosette grass
Dichanthelium oligosanthes (Schult.) Gould var. helleri (Nash) Mohlenbr.
Dichanthelium oligosanthes (Schult.) Gould var. scribnerianum (Nash) Gould
Panicum helleri Nash
Panicum oligosanthes Schult. var. helleri (Nash) Fernald
Panicum oligosanthes Schult. var. scribnerianum (Nash) Fernald
Panicum scoparium S.Watson ex Nash, non Lam.
Panicum scribnerianum Nash
Dichanthelium xanthophysum (A.Gray) Freckmann
*+
pale panic grass, slender rosette grass
Panicum leibergii (Vasey) Scribn. var. baldwinii Lepage
Panicum xanthophysum A.Gray
Genus: Digitaria
Digitaria ischaemum (Schreb.) Muhl.
*+
smooth crabgrass
Digitaria humifusa Pers.
Digitaria ischaemum (Schreb.) Muhl. var. ischaemum
Digitaria ischaemum (Schreb.) Muhl. var. mississippiensis (Gatt.) Fernald
Panicum ischaemum Schreb.
Syntherisma ischaemum (Schreb.) Nash
Genus: Echinochloa
Echinochloa crus-galli (L.) P.Beauv.
*+
barnyard grass, large barnyard grass
Echinochloa crus-galli (L.) P.Beauv. subsp. crus-galli
Echinochloa crus-galli (L.) P.Beauv. var. crus-galli
Echinochloa crus-galli (L.) P.Beauv. var. mitis (Pursh) Peterm.
Echinochloa muricata (P.Beauv.) Fernald var. occidentalis Wiegand
Echinochloa occidentalis (Wiegand) Rydb.
Echinochloa pungens (Poir.) Rydb. var. coarctata Fernald & Griscom
Panicum crus-galli L.
Echinochloa muricata (P.Beauv.) Fernald var. microstachya Wiegand
+
rough barnyard grass
Echinochloa microstachya (Wiegand) Rydb.
Echinochloa muricata (P.Beauv.) Fernald var. wiegandii Fassett
Echinochloa pungens (Poir.) Rydb. var. microstachya (Wiegand) Fernald & Griscom
Echinochloa pungens (Poir.) Rydb. var. multiflora (Wiegand) Fernald & Griscom
Echinochloa pungens (Poir.) Rydb. var. wiegandii Fassett
Echinochloa wiegandii (Fassett) McNeill & Dore
Echinochloa muricata (P.Beauv.) Fernald var. muricata
+
barnyard grass, cockspur grass, rough barnyard grass
Echinochloa crus-galli (L.) P.Beauv. f. longiseta (Trin.) Farw.
Echinochloa muricata (P.Beauv.) Fernald var. ludoviciana Wiegand
Echinochloa pungens (Poir.) Rydb.
Echinochloa pungens (Poir.) Rydb. var. ludoviciana (Wiegand) Fernald & Griscom
Genus: Elymus
Elymus canadensis L.
*+
Canada wild-rye
Elymus brachystachys Scribn. & Ball
Elymus canadensis L. f. crescendus Ramaley
Elymus canadensis L. f. glaucifolius (Muhl.) Fernald
Elymus canadensis L. var. brachystachys (Scribn. & Ball) Farw.
Elymus canadensis L. var. canadensis
Elymus canadensis L. var. hirsutus (Farw.) Dorn
Elymus canadensis L. var. robustus (Scribn. & J.G.Sm.) Mack. & Bush
Elymus crescendus (Ramaley) L.C.Wheeler
Elymus philadelphicus L.
Elymus philadelphicus L. var. hirsutus Farw.
Elymus robustus Scribn. & J.G.Sm.
Elymus hystrix L. var. bigeloviana (Fernald) Bowden
+
Bigelow's bottlebrush grass, eastern bottlebrush grass
Asperella hystrix (L.) Humb. var. bigeloviana Fernald
Elymus hystrix L. f. bigelovianus (Fernald) Dore
Hystrix patula Moench f. bigeloviana (Fernald) Gleason
Hystrix patula Moench var. bigeloviana (Fernald) Deam
Elymus hystrix L. var. hystrix
*+
bottlebrush grass, eastern bottlebrush grass, glumeless wild-rye
Asperella hystrix (L.) Humb.
Hystrix hystrix (L.) Millsp.
Hystrix patula Moench
Elymus trachycaulus (Link) Gould ex Shinners
*+
slender wheat grass
Elymus trachycaulus (Link) Gould ex Shinners subsp. subsecundus
+
bearded wheat grass, slender wheat grass
Agropyron caninum (L.) P.Beauv. var. unilaterale (Cassidy) C.L.Hitchc.
Agropyron pauciflorum (Schwein.) Hitchc. ex Silvues var. glaucum (Pease & A.H.Moore) Taylor
Agropyron subsecundum (Link) Hitchc.
Agropyron trachycaulum (Link) Malte ex H.F.Lewis var. ciliatum (Scribn. & J.G.Sm.) Malte
Agropyron trachycaulum (Link) Malte ex H.F.Lewis var. glaucum (Pease & A.H.Moore) Malte
Agropyron trachycaulum (Link) Malte ex H.F.Lewis var. unilaterale (Cassidy) Malte
Elymus trachycaulus (Link) Gould ex Shinners subsp. glaucus
Elymus trachycaulus (Link) Gould ex Shinners var. unilateralis (Cassidy) Beetle
Triticum subsecundum Link
Elymus trachycaulus (Link) Gould ex Shinners subsp. trachycaulus
+
slender wheat grass
Agropyron brevifolium Scribn.
Agropyron caninum (L.) P.Beauv. subsp. majus
Agropyron caninum (L.) P.Beauv. var. andinum (Scribn. & J.G.Sm.) Pease & A.H.Moore
Agropyron caninum (L.) P.Beauv. var. hornemannii (Koch) Pease & A.H.Moore
Agropyron caninum (L.) P.Beauv. var. mitchellii Welsh
Agropyron pauciflorum (Schwein.) Hitchc. ex Silvues
Agropyron pauciflorum (Schwein.) Hitchc. ex Silvues subsp. majus
Agropyron pauciflorum (Schwein.) Hitchc. ex Silvues subsp. novae-angliae
Agropyron pauciflorum (Schwein.) Hitchc. ex Silvues subsp. teslinense
Agropyron pauciflorum (Schwein.) Hitchc. ex Silvues var. novae-angliae (Scribn.) Roy L.Taylor & MacBryde
Agropyron subsecundum (Link) Hitchc. var. andinum (Scribn. & J.G.Sm.) Hitchc.
Agropyron tenerum Vasey
Agropyron teslinense Porsild & Senn
Agropyron trachycaulum (Link) Malte ex H.F.Lewis
Agropyron trachycaulum (Link) Malte ex H.F.Lewis var. majus (Vasey) Fernald
Agropyron trachycaulum (Link) Malte ex H.F.Lewis var. novae-angliae (Scribn.) Fernald
Agropyron trachycaulum (Link) Malte ex H.F.Lewis var. trachycaulum
Agropyron violaceum (Hornem.) Lange subsp. andinum
Agropyron violaceum (Hornem.) Lange var. andinum Scribn. & J.G.Sm.
Elymus pauciflorus (Schwein.) Gould, non Lam.
Elymus trachycaulus (Link) Gould ex Shinners subsp. andinus
Elymus trachycaulus (Link) Gould ex Shinners subsp. novae-angliae
Elymus trachycaulus (Link) Gould ex Shinners subsp. teslinensis
Elymus trachycaulus (Link) Gould ex Shinners var. andinus (Scribn. & J.G.Sm.) Dorn
Elymus trachycaulus (Link) Gould ex Shinners var. majus (Vasey) Beetle
Roegneria pauciflora (Schwein.) Hyl.
Roegneria trachycaula (Link) Nevski
Triticum trachycaulum Link
Elymus villosus Muhl. ex Willd. var. villosus
*+
downy wild-rye, hairy wild-rye, silky wild-rye
Terrellia villosa (Muhl. ex Willd.) Baum
Genus: Elytrigia
Elytrigia repens (L.) Desv. ex B.D.Jacks.
*+
couchgrass, creeping quackgrass, quackgrass
Agropyron acadiense F.T.Hubb.
Agropyron repens (L.) P.Beauv.
Agropyron repens (L.) P.Beauv. var. repens
Agropyron repens (L.) P.Beauv. f. aristatum (Schumach.) Holmb. var. repens
Agropyron repens (L.) P.Beauv. f. pilosum (Scribn.) Fernald var. repens
Agropyron repens (L.) P.Beauv. f. trichorrhachis Rohlena var. repens
Agropyron repens (L.) P.Beauv. var. subulatum (Schreb.) Roem. & Schult.
Agropyron repens (L.) P.Beauv. f. setiferum Fernald var. subulatum (Schreb.) Roem. & Schult.
Agropyron repens (L.) P.Beauv. f. heberhachis Fernald var. subulatum (Schreb.) Roem. & Schult.
Agropyron repens (L.) P.Beauv. f. subulatum var. subulatum (Schreb.) Roem. & Schult.
Agropyron repens (L.) P.Beauv. f. vaillantianum (Wulfen & Schreb.) Fernald var. subulatum (Schreb.) Roem. & Schult.
Elymus repens (L.) Gould
Elytrigia repens (L.) Desv. ex B.D.Jacks. var. repens
Elytrigia repens (L.) Desv. ex B.D.Jacks. var. vaillantiana (Wulfen & Schreb.) Prokudin
Triticum repens L.
Elytrigia smithii (Rydb.) Nevski
*+
western wheat grass
Agropyron molle (Scribn. & J.G.Sm.) Rydb.
Agropyron smithii Rydb.
Agropyron smithii Rydb. var. molle (Scribn. & J.G.Sm.) M.E.Jones
Agropyron smithii Rydb. var. palmeri (Scribn. & J.G.Sm.) A.Heller
Elymus smithii (Rydb.) Gould
Elytrigia smithii (Rydb.) Nevski var. molle (Scribn. & J.G.Sm.) Beetle
Pascopyrum smithii (Rydb.) A.Löve
Genus: Eragrostis
Eragrostis cilianensis (All.) Vignolo ex Janch.
*+
stink grass
Eragrostis major Host
Eragrostis megastachya (Koeler) Link
Poa cilianensis All.
Eragrostis pectinacea (Michx.) Nees var. pectinacea
*+
Carolina love grass, low love grass, small love grass, tufted love grass
Eragrostis caroliniana (Biehler) Scribn.
Eragrostis diffusa Buckley
Eragrostis purshii hort. ex Schrad.
Poa pectinacea Michx.
Genus: Festuca
Festuca pratensis Huds.
*+
meadow fescue, meadow rye grass, rye grass
Festuca elatior L., pro parte
Lolium pratense (Huds.) Darbysh.
Festuca rubra L. subsp. rubra
+
red fescue
Festuca rubra L. f. squarrosa (Fries) Holmb.
Festuca rubra L. subsp. juncea
Festuca rubra L. var. juncea (Hack.) K.Richt.
Festuca rubra L. var. megastachys auct. non (Gaudin) Hegi
Festuca subverticillata (Pers.) E.B.Alexeev
*+
nodding fescue
Festuca obtusa Biehler
Genus: Glyceria
Glyceria borealis (Nash) Batch.
*+
northern manna grass
Panicularia borealis Nash
Glyceria canadensis (Michx.) Trin.
*+
rattlesnake grass, rattlesnake manna grass
Panicularia canadensis (Michx.) Kuntze
Glyceria grandis S.Watson
*+
American manna grass, reed manna grass
Glyceria grandis S.Watson f. pallescens Fernald
Glyceria grandis S.Watson var. grandis
Glyceria maxima (Hartm.) Holmb. subsp. grandis
Glyceria maxima (Hartm.) Holmb. var. americana (Torr.) B.Boivin
Panicularia grandis (S.Watson) Nash
Glyceria striata (Lam.) Hitchc.
*+
fowl manna grass, fowl meadow grass
Glyceria nervata (Willd.) Trin.
Glyceria striata (Lam.) Hitchc. var. stricta (Scribn.) Fernald
Glyceria striata (Lam.) Hitchc. var. striata
Panicularia nervata (Willd.) Kuntze
Panicularia nervata (Willd.) Kuntze var. parviglumis Scribn. & Merr.
Poa nervata Willd.
Genus: Koeleria
Koeleria macrantha (Ledeb.) Schult.
*+
June grass, prairie June grass
Koeleria cristata auct. pro parte, non Pers.
Koeleria cristata Pers. var. longifolia Vasey ex Burtt Davy
Koeleria cristata Pers. var. pinetorum Abrams
Koeleria gracilis Pers.
Koeleria nitida Nutt.
Koeleria pyramidata auct. pro parte, non (Lam.) P.Beauv.
Koeleria yukonensis Hultén
Genus: Leersia
Leersia oryzoides (L.) Sw.
*+
rice cut grass
Homalocenchrus oryzoides (L.) Pollich
Leersia oryzoides (L.) Sw. f. glabra A.A.Eaton
Leersia oryzoides (L.) Sw. f. inclusa (Wiesb.) Dörfl.
Phalaris oryzoides L.
Leersia virginica Willd.
*+
white grass
Homalocenchrus virginicus (Willd.) Britton
Leersia virginica Willd. var. ovata (Poir.) Fernald
Genus: Milium
Milium effusum L.
*+
American millet grass, wood millet
Milium effusum L. var. cisatlanticum Fernald
Genus: Muhlenbergia
Muhlenbergia glomerata (Willd.) Trin.
*+
marsh muhly, marsh wild-Timothy, spiked muhly
Muhlenbergia glomerata (Willd.) Trin. var. cinnoides (Link) F.J.Herm.
Muhlenbergia racemosa (Michx.) Britton, Sterns & Poggenb. var. cinnoides (Link) B.Boivin
Muhlenbergia mexicana (L.) Trin.
*+
leafy satin grass, Mexican muhly, wire-stem muhly
Agrostis mexicana L.
Muhlenbergia ambigua Torr.
Muhlenbergia foliosa (Roem. & Schult.) Trin.
Muhlenbergia foliosa (Roem. & Schult.) Trin. subsp. ambigua
Muhlenbergia foliosa (Roem. & Schult.) Trin. subsp. setiglumis
Muhlenbergia mexicana (L.) Trin. f. ambigua (Torr.) Fernald
Muhlenbergia mexicana (L.) Trin. f. mexicana
Muhlenbergia mexicana (L.) Trin. f. setiglumis (S.Watson) Fernald
Muhlenbergia mexicana (L.) Trin. var. filiformis (Willd.) Scribn.
Muhlenbergia racemosa (Michx.) Britton, Sterns & Poggenb.
*+
marsh muhly, upland wild-Timothy
Agrostis racemosa Michx.
Muhlenbergia schreberi J.F.Gmel.
*+
nimble-will, nimble-will muhly
Muhlenbergia palustris Scribn.
Muhlenbergia schreberi J.F.Gmel. var. palustris (Scribn.) Scribn.
Muhlenbergia tenuiflora (Willd.) Britton, Sterns & Poggenb.
*+
slender muhly, slender satin grass, woodland drop-seed
Muhlenbergia tenuiflora (Willd.) Britton, Sterns & Poggenb. var. tenuiflora
Muhlenbergia uniflora (Muhl.) Fernald
*+
bog muhly, one-flowered satin grass
Muhlenbergia uniflora (Muhl.) Fernald var. terrae-novae Fernald
Sporobolus uniflorus (Muhl.) Scribn. & Merr.
Genus: Oryzopsis
Oryzopsis asperifolia Michx.
*+
rough-leaved rice grass
Oryzopsis pungens (Torr. ex Spreng.) Hitchc.
*+
mountain rice grass, short-horned rice grass
Milium pungens Torr. ex Spreng.
Oryzopsis racemosa (Sm.) Ricker ex Hitchc.
*+
black-seeded rice grass
Milium racemosum Sm.
Piptatherum racemosum Ricker ex Hitchc.
Genus: Panicum
Panicum capillare L. subsp. capillare
*+
common witch grass, old-witch grass, witch grass
Panicum barbipulvinatum Nash
Panicum capillare L. subsp. barbipulvinatum
Panicum capillare L. var. barbipulvinatum (Nash) McGregor
Panicum capillare L. var. brevifolium Vasey ex Rydb. & Shear
Panicum capillare L. var. occidentale Rydb.
Panicum virgatum L.
*+
switch grass
Panicum virgatum L. var. cubense Griseb.
Panicum virgatum L. var. obtusum A.W.Wood
Panicum virgatum L. var. virgatum
Genus: Phalaris
Phalaris arundinacea L.
*+
reed canary grass
Phalaroides arundinacea (L.) Raeusch.
Phalaris arundinacea L. f. variegata (Parn.) Druce
Phalaris arundinacea L. var. picta L.
Phalaroides arundinacea (L.) Raeusch. var. picta (L.) Tzvelev
Phalaris canariensis L.
*+
common canary grass
Genus: Phleum
Phleum pratense L. subsp. pratense
*+
common timothy, timothy
Genus: Poa
Poa alsodes A.Gray
*
grove bluegrass, woodland bluegrass
Poa compressa L.
*
Canada bluegrass, wiregrass
Poa palustris L.
*
fowl meadow grass, marsh bluegrass
Poa crocata Michx.
Poa triflora Gilib.
Poa pratensis L.
*
Kentucky bluegrass
Poa agassizensis B.Boivin & D.Löve
Poa alpigena (Fr. ex Blytt) Lindm.
Poa alpigena (Fr. ex Blytt) Lindm. subsp. colpodea
Poa alpigena (Fr. ex Blytt) Lindm. var. colpodea (Fr. ex Blytt) Schol.
Poa angustifolia L.
Poa pratensis L. subsp. agassizensis
Poa pratensis L. subsp. alpigena
Poa pratensis L. subsp. angustifolia
Poa pratensis L. subsp. colpodea
Poa pratensis L. var. angustifolia (L.) Gaudin
Poa pratensis L. var. alpigena Fr. ex Blytt
Poa pratensis L. var. colpodea (Fr. ex Blytt) Schol.
Poa pratensis L. var. domestica Laest.
Poa pratensis L. var. gelida (Roem. & Schult.) Böcher
Poa pratensis L. var. iantha Wahlenb.
Poa pratensis L. var. vivipara (Malmgren) B.Boivin
Genus: Puccinellia
Puccinellia fernaldii (Hitchc.) E.G.Voss
*+
Fernald's false manna grass
Glyceria fernaldii (Hitchc.) H.St.John
Glyceria pallida (Torr.) Trin. var. fernaldii Hitchc.
Torreyochloa fernaldii (Hitchc.) Church
Torreyochloa pallida (Torr.) Church var. fernaldii (Hitchc.) Dore ex T.Koyama & Kawano
Genus: Schizachne
Schizachne purpurascens (Torr.) Swallen
*+
false melic grass
Avena torreyi Nash
Melica purpurascens (Torr.) Hitchc.
Schizachne purpurascens (Torr.) Swallen var. pubescens Dore
Schizachne purpurascens (Torr.) Swallen var. purpurascens
Schizachne striata (Michx.) Hultén
Trisetum purpurascens Torr.
Genus: Schizachyrium
Schizachyrium scoparium (Michx.) Nash
*+
broom beard grass, little blue-stem, prairie beard grass
Schizachyrium scoparium (Michx.) Nash var. scoparium
broom beard grass, broom blue-stem, little blue-stem
Andropogon neomexicanus Nash
Andropogon praematurus Fernald
Andropogon scoparius Michx.
Andropogon scoparius Michx. var. frequens F.T.Hubb.
Andropogon scoparius Michx. var. neomexicanus (Nash) Hitchc.
Andropogon scoparius Michx. var. polycladus Scribn. & Ball
Andropogon scoparius Michx. var. septentrionalis Fernald & Griscom
Andropogon scoparius Michx. var. villosissimus Kearney
Schizachyrium praematurum (Fernald) C.F.Reed
Schizachyrium scoparium (Michx.) Nash subsp. scoparium
Schizachyrium scoparium (Michx.) Nash var. frequens (F.T.Hubb.) Gould
Schizachyrium scoparium (Michx.) Nash var. neomexicanum (Nash) Gould
Schizachyrium scoparium (Michx.) Nash var. polycladum (Scribn. & Ball) C.F.Reed
Genus: Setaria
Setaria pumila (Poir.) Roem. & Schult. subsp. pumila
*+
pigeon grass, yellow foxtail
Panicum pumilum Poir.
Setaria glauca of Amer. authors, not (L.) P.Beauv.
Setaria glauca auct. non (L.) P.Beauv., sensu Vickery
Setaria lutescens of Amer. authors, not (Weigel) F.T.Hubb.
Genus: Sorghastrum
Sorghastrum nutans (L.) Nash
*+
yellow Indian grass
Andropogon nutans L.
Sorghastrum avenaceum (Michx.) Nash
Genus: Spartina
Spartina pectinata Link
*+
prairie cord grass, slough grass
Spartina michauxiana Hitchc.
Spartina pectinata Link var. suttiei (Farw.) Fernald
Genus: Sphenopholis
Sphenopholis intermedia (Rydb.) Rydb.
*+
slender wedge grass
Eatonia intermedia Rydb.
Sphenopholis intermedia (Rydb.) Rydb. var. pilosa Dore
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) Erdman
Genus: Zizania
Zizania aquatica L.
*+
annual wild rice, Indian rice, southern wild rice
Zizania aquatica L. var. aquatica
Family: Polemoniaceae
Genus: Phlox
Phlox divaricata L. subsp. laphamii
*+
blue phlox, forest phlox, wild blue phlox, wild sweet-William, woodland phlox
Phlox divaricata L. var. laphamii A.W.Wood
Phlox subulata L.
*+
moss phlox, moss-pink
Genus: Polemonium
Polemonium reptans L. var. reptans
*+
Greek-valerian, spreading Jacob's-ladder
Family: Polygalaceae
Genus: Polygala
Polygala cruciata L.
*+
cross milkwort, cross-leaf milkwort, drum-heads
Polygala cruciata L. var. aquilonia Fernald & B.G.Schub.
Polygala sanguinea L.
*+
blood milkwort, field milkwort, purple milkwort
Polygala sanguinea L. f. albiflora Millsp.
Polygala sanguinea L. f. typica Farw.
Polygala sanguinea L. f. viridescens (L.) Farw.
Polygala viridescens L.
Family: Polygonaceae
Genus: Polygonum
Polygonum amphibium L. var. emersum Michx.
*+
long-root smartweed, water heart's-ease, water smartweed
Persicaria amphibia (L.) S.F.Gray, pro parte
Persicaria amphibia (L.) S.F.Gray var. emersa (Michx.) Hickman
Persicaria coccinea (Muhl.) Greene
Persicaria muhlenbergii (S.Watson) Small
Persicaria pratincola Greene
Polygonum amphibium L. f. terrestre (Willd.) S.F.Blake
Polygonum amphibium L. var. coccineum (Muhl. ex Willd.) Farw.
Polygonum amphibium L. var. terrestre Willd.
Polygonum coccineum Muhl. ex Willd.
Polygonum coccineum Muhl. ex Willd. f. natans (Wiegand) Stanford
Polygonum coccineum Muhl. ex Willd. f. terrestre (Willd.) Stanford
Polygonum coccineum Muhl. ex Willd. var. pratincola (Greene) Stanford
Polygonum coccineum Muhl. ex Willd. var. terrestre Willd.
Polygonum muhlenbergii S.Watson
Polygonum muhlenbergii S.Watson f. natans Wiegand
Polygonum muhlenbergii S.Watson var. terrestre (Willd.) Trel.
Polygonum rigidulum E.Sheld.
Polygonum terrestre (Willd.) Britton, Sterns & Poggenb.
Polygonum arenastrum Boreau
*+
door-yard knotweed, oval-leaved knotweed
Polygonum aequale Lindm.
Polygonum aviculare L. var. arenastrum (Boreau) Rouy
Polygonum montereyense Brenckle
Polygonum careyi Olney
*+
Carey's heart's-ease, Carey's smartweed
Persicaria careyi (Olney) Greene
Polygonum cilinode Michx.
*+
black-fringe bindweed, fringed bindweed
Bilderdykia cilinodis (Michx.) Greene
Bilderdykia cilinodis (Michx.) Greene var. laevigata (Fernald) C.F.Reed
Fallopia cilinodis (Michx.) Holub
Polygonum cilinode Michx. f. erectum (Peck) Fernald
Polygonum cilinode Michx. var. erectum Peck
Polygonum cilinode Michx. var. laevigatum Fernald
Reynoutria cilinodis (Michx.) Shinners
Tiniaria cilinodis (Michx.) Small
Polygonum convolvulus L.
*+
black-bindweed, false buckwheat
Bilderdykia convolvulus (L.) Dumort.
Fallopia convolvulus (L.) A.Löve
Polygonum convolvulus L. var. convolvulus
Reynoutria convolvulus (L.) Shinners
Tiniaria convolvulus (L.) Webb. & Moq.
Polygonum hydropiper L.
*+
marsh-pepper knotweed, water-pepper
Persicaria hydropiper (L.) Opiz
Polygonum hydropiper L. var. projectum Stanford
Polygonum pensylvanicum L.
*+
Pennsylvania knotweed, Pennsylvania smartweed, pinkweed
Persicaria bicornis (Raf.) Nieuwl.
Persicaria longistyla (Small) Small
Persicaria mississippiensis (Stanford) Small
Persicaria pensylvanica (L.) M.Gómez
Persicaria pensylvanica (L.) M.Gómez var. dura (Stanford) C.F.Reed
Polygonum bicorne Raf.
Polygonum longistylum Small
Polygonum longistylum Small var. omissum (Greene) Stanford
Polygonum mexicanum auct. non Small
Polygonum mississippiense Stanford
Polygonum mississippiense Stanford var. interius Stanford
Polygonum omissum Greene
Polygonum pensylvanicum L. var. durum Stanford
Polygonum pensylvanicum L. var. eglandulosum J.C.Myers
Polygonum pensylvanicum L. var. genuinum Fernald
Polygonum pensylvanicum L. var. laevigatum Fernald
Polygonum pensylvanicum L. f. albineum Farw. var. laevigatum Fernald
Polygonum pensylvanicum L. f. pallescens Stanford var. laevigatum Fernald
Polygonum pensylvanicum L. var. rosaeflorum Norton
Polygonum punctatum Elliott var. confertiflorum (Meisn.) Fassett
+
dotted smartweed
Persicaria punctata (Elliott) Small var. leptostachya (Meisn.) Small
Polygonum acre Kunth var. confertiflorum Meisn.
Polygonum acre Kunth var. leptostachyum Meisn.
Polygonum antihaemorrhoidale Mart. f. aquatile Mart.
Polygonum punctatum Elliott f. longicollum Fassett var. confertiflorum (Meisn.) Fassett
Polygonum punctatum Elliott var. leptostachyum (Meisn.) Small
Polygonum punctatum Elliott var. parvum Vict. & J.Rousseau
Polygonum sagittatum L.
*+
arrow-leaved tear-thumb
Polygonum sagittatum L. var. gracilentum Fernald
Tracaulon sagittatum (L.) Small
Tracaulon sagittatum (L.) Small var. gracilentum (Fernald) C.F.Reed
Truellum sagittatum (L.) Soják
Polygonum scandens L. var. scandens
+
climbing false buckwheat
Bilderdykia scandens (L.) Greene
Fallopia scandens (L.) Holub
Polygonum dumetorum L. var. scandens (L.) A.Gray
Reynoutria scandens (L.) Shinners
Tiniaria scandens (L.) Small
Genus: Rumex
Rumex acetosella L.
*+
common sheep sorrel, field sorrel, red sorrel, sheep sorrel
Acetosella acetosella (L.) Small
Acetosella tenuifolia (Wallr.) A.Löve
Acetosella vulgaris (Koch) Fourr.
Rumex acetosella L. subsp. angiocarpus
Rumex acetosella L. var. pyrenaeus (Pourr.) Timb.-Lagr.
Rumex acetosella L. var. tenuifolius Wallr.
Rumex angiocarpus Murb.
Rumex tenuifolius (Wallr.) A.Löve
Rumex crispus L.
*+
curly dock, sour dock
Rumex elongatus Guss.
Rumex maritimus L. subsp. fueginus
*+
golden dock
Rumex fueginus Phil.
Rumex maritimus L. var. athrix H.St.John
Rumex maritimus L. var. fueginus (Phil.) Dusén
Rumex obtusifolius L.
*+
bitter dock
Acetosa oblongifolia (L.) A.Löve & D.Löve
Rumex obtusifolius L. subsp. agrestis
Rumex obtusifolius L. subsp. sylvestris
Rumex obtusifolius L. var. sylvestris (Wallr.) Koch
Rumex patientia L.
+
patience dock
Rumex patientia L. var. kurdicus Boiss.
Family: Polypodiaceae
Genus: Polypodium
Polypodium virginianum L.
*+
common polypody, rock-cap fern, rock polypody
Polypodium vinlandicum A.Löve & D.Löve
Polypodium vulgare auct. pro parte, non L.
Polypodium vulgare L. var. americanum Hook.
Polypodium vulgare L. var. virginianum (L.) D.C.Eaton
Family: Pontederiaceae
Genus: Heteranthera
Heteranthera dubia (Jacq.) MacMill.
*+
water star-grass
Commelina dubia Jacq.
Heteranthera graminea (Michx.) Vahl
Heteranthera liebmannii (Buchenau) Shinners
Schollera graminea (Michx.) Raf.
Zosterella dubia (Jacq.) Small
Zosterella longituba Alexander
Family: Portulacaceae
Genus: Claytonia
Claytonia virginica L.
*+
spring-beauty, Virginia spring-beauty
Claytonia virginica L. var. hammondiae (Kalmb.) J.J.Doyle, W.H.Lewis & D.B.Snyder
Claytonia virginica L. var. virginica
Genus: Phemeranthus
Phemeranthus rugospermus (Holz.) Kiger
*+
prairie fame-flower, rough-seeded fame-flower, sand fame-flower
Talinum rugospermum Holz.
Family: Potamogetonaceae
Genus: Potamogeton
Potamogeton amplifolius Tuck.
*+
big-leaved pondweed, broad-leaved pondweed, large-leaved pondweed
Potamogeton epihydrus Raf.
*+
ribbon-leaf pondweed, ribbon-leaved pondweed
Potamogeton epihydrus Raf. subsp. nuttallii
Potamogeton epihydrus Raf. var. cayugensis (Wiegand) A.Benn.
Potamogeton epihydrus Raf. var. nuttallii (Cham. & Schltdl.) Fernald
Potamogeton epihydrus Raf. var. ramosus (Peck) House
Potamogeton epihydrus Raf. var. typicus Fernald
Potamogeton pusillus L.
+
slender pondweed, small pondweed
Potamogeton lateralis auct. pro parte, non Morong
Potamogeton richardsonii (A.Benn.) Rydb.
*+
Richardson's pondweed
Potamogeton perfoliatus L. subsp. richardsonii
Potamogeton perfoliatus L. var. richardsonii A.Benn.
Family: Primulaceae
Genus: Lysimachia
Lysimachia ciliata L.
*+
fringed loosestrife
Steironema ciliatum (L.) Baudo
Steironema pumilum Greene
Lysimachia lanceolata Walter
*+
lance-leaved loosestrife
Lysimachia angustifolia Lam.
Lysimachia lanceolata Walter subsp. lanceolata
Lysimachia lanceolata Walter var. angustifolia (Lam.) A.Gray
Steironema heterophyllum (Michx.) Raf.
Steironema lanceolatum (Walter) A.Gray
Lysimachia quadrifolia L.
*+
whorled loosestrife, whorled yellow loosestrife
Lysimachia terrestris (L.) Britton, Sterns & Poggenb.
*+
bulbil loosestrife, swamp-candles, swamp loosestrife
Lysimachia stricta Aiton var. ovata E.L.Rand & Redfield
Lysimachia terrestris (L.) Britton, Sterns & Poggenb. f. florifera B.Boivin
Lysimachia terrestris (L.) Britton, Sterns & Poggenb. var. ovata (E.L.Rand & Redfield) Fernald
Genus: Trientalis
Trientalis borealis Raf. subsp. borealis
*+
American starflower
Trientalis americana Pursh
Family: Pteridaceae
Genus: Adiantum
Adiantum pedatum L.
*+
maidenhair fern, northern maidenhair fern
Family: Pyrolaceae
Genus: Moneses
Moneses uniflora (L.) A.Gray subsp. uniflora
*+
one-flowered pyrola, one-flowered shin-leaf, one-flowered wood-nymph, single delight
Pyrola uniflora L.
Genus: Pyrola
Pyrola elliptica Nutt.
*+
elliptic shin-leaf, large-leaved shin-leaf, wax-flower shin-leaf
Pyrola compacta Jenn.
Family: Ranunculaceae
Genus: Actaea
Actaea pachypoda Elliott
*+
doll's-eyes, white baneberry
Actaea alba auct. non (L.) Mill.
Actaea pachypoda Elliott f. microcarpa (DC.) Fassett
Actaea pachypoda Elliott f. rubrocarpa (Killip) Fernald
Actaea rubra (Aiton) Willd.
*+
red baneberry
Actaea arguta Nutt.
Actaea arguta Nutt. var. viridiflora (Greene) Tidestr.
Actaea eburnea Rydb.
Actaea neglecta Gillman
Actaea rubra (Aiton) Willd. f. neglecta (Gillman) B.L.Rob.
Actaea rubra (Aiton) Willd. subsp. arguta
Actaea rubra (Aiton) Willd. subsp. rubra
Actaea rubra (Aiton) Willd. var. arguta (Nutt.) Lawson
Actaea rubra (Aiton) Willd. var. dissecta Britton
Actaea rubra (Aiton) Willd. var. gigantea R.R.Gates
Actaea spicata L. subsp. rubra
Actaea spicata L. var. arguta (Nutt.) Torr.
Actaea spicata L. var. rubra Aiton
Actaea viridiflora Greene
Genus: Anemone
Anemone acutiloba (DC.) G.Lawson
*+
sharp-lobed hepatica
Hepatica acutiloba DC.
Hepatica acuta (Pursh) Britton
Hepatica nobilis Schreb. var. acuta (Pursh) Steyerm.
Hepatica triloba Chaix var. acuta Pursh
Hepatica triloba Chaix var. acutiloba (DC.) R.Warner
Anemone americana (DC.) H.Hara
*+
round-lobed hepatica
Anemone hepatica L.
Hepatica americana (DC.) Ker Gawl.
Hepatica hepatica (L.) H.Karst.
Hepatica nobilis Schreb. var. obtusa (Pursh) Steyerm.
Hepatica triloba Chaix var. americana DC.
Hepatica triloba Chaix var. obtusa Pursh
Anemone canadensis L.
*+
Canada anemone, Canadian anemone, meadow anemone
Anemone dichotoma L. var. canadensis (L.) MacMill.
Anemone quinquefolia L. var. quinquefolia
*+
nightcaps, wood anemone
Anemone nemorosa L. var. bifolia (Farw.) B.Boivin
Anemone nemorosa L. var. quinquefolia (L.) Pursh
Anemone quinquefolia L. var. bifolia Farw.
Anemone quinquefolia L. var. interior Fernald
Anemone virginiana L. var. alba (Oakes) A.W.Wood
*+
tall anemone, thimbleweed
Anemone cylindrica A.Gray var. alba Oakes
Anemone riparia Fernald
Anemone riparia Fernald f. inconspicua Fernald
Anemone virginiana L. var. riparia (Fernald) B.Boivin
Genus: Aquilegia
Aquilegia canadensis L.
*+
Canadian columbine, red columbine, wild columbine
Aquilegia australis Small
Aquilegia canadensis L. f. flaviflora (Tenney) Britton
Aquilegia canadensis L. var. australis (Small) Munz
Aquilegia canadensis L. var. coccinea (Small) Munz
Aquilegia canadensis L. var. eminens (Greene) B.Boivin
Aquilegia canadensis L. var. flaviflora (Tenney) Britton
Aquilegia canadensis L. var. hybrida Hook.
Aquilegia canadensis L. var. latiuscula (Greene) Munz
Aquilegia coccinea Small
Aquilegia eminens Greene
Aquilegia flaviflora Tenney
Aquilegia latiuscula Greene
Aquilegia phoenicantha Cory
Genus: Caltha
Caltha palustris L.
*+
cowslip, marsh-marigold, yellow marsh-marigold
Caltha arctica R.Br.
Caltha asarifolia DC.
Caltha flabellifolia Pursh
Caltha minor Mill. subsp. arctica
Caltha natans Pall. var. arctica (R.Br.) Hultén
Caltha natans Pall. var. asarifolia (DC.) Huth
Caltha palustris L. subsp. arctica
Caltha palustris L. subsp. asarifolia
Caltha palustris L. subsp. radicans
Caltha palustris L. var. arctica (R.Br.) Huth
Caltha palustris L. var. asarifolia (DC.) Rothr.
Caltha palustris L. var. flabellifolia (Pursh) Torr. & A.Gray
Caltha palustris L. var. palustris
Caltha palustris L. var. radicans (J.R.Forst.) Huth
Caltha radicans J.R.Forst.
Genus: Clematis
Clematis occidentalis (Hornem.) DC. var. occidentalis
*+
purple clematis, western blue virgin's-bower
Atragene americana Sims
Atragene occidentalis Hornem.
Clematis verticillaris DC.
Clematis verticillaris DC. var. cacuminis Fernald
Clematis verticillaris DC. var. grandiflora B.Boivin
Clematis virginiana L.
*+
devil's-darning-needle, virgin's-bower
Clematis canadensis Mill.
Clematis holosericea Pursh
Clematis missouriensis Rydb.
Clematis virginiana L. f. missouriensis (Rydb.) Fernald
Clematis virginiana L. var. missouriensis (Rydb.) E.J.Palmer & Steyerm.
Genus: Coptis
Coptis trifolia (L.) Salisb.
*+
three-leaved gold-thread
Anemone groenlandica Oeder
Coptis groenlandica (Oeder) Fernald
Coptis trifolia (L.) Salisb. subsp. groenlandica
Coptis trifolia (L.) Salisb. subsp. trifolia
Coptis trifolia (L.) Salisb. var. groenlandica (Oeder) Fassett
Coptis trifolia (L.) Salisb. var. trifolia
Helleborus trifolius L.
Genus: Enemion
Enemion biternatum Raf.
*+
false rue anemone
Isopyrum biternatum (Raf.) Torr. & A.Gray
Isopyrum biternatum (Raf.) Torr. & A.Gray f. acutilobum Fernald
Genus: Ranunculus
Ranunculus abortivus L.
*+
little-leaf buttercup, small-flowered buttercup
Ranunculus abortivus L. subsp. acrolasius
Ranunculus abortivus L. var. abortivus
Ranunculus abortivus L. var. acrolasius Fernald
Ranunculus abortivus L. var. eucyclus Fernald
Ranunculus abortivus L. var. indivisus Fernald
Ranunculus abortivus L. var. typicus Fernald
Ranunculus acris L.
*+
common buttercup, blister plant, meadow buttercup, tall buttercup
Ranunculus acris L. subsp. strigulosus
Ranunculus acris L. var. acris
Ranunculus acris L. var. latisectus Beck
Ranunculus acris L. var. stevenii (Andrz. ex Besser) Lange
Ranunculus acris L. var. typicus Beck
Ranunculus acris L. var. villosus (Drabble) S.M.Coles
Ranunculus boreanus Jord.
Ranunculus hispidus Michx.
*+
bristly buttercup, hispid buttercup, rough buttercup
Ranunculus hispidus Michx. var. caricetorum (Greene) T.Duncan
+
bristly buttercup, hispid buttercup, rough buttercup
Ranunculus caricetorum Greene
Ranunculus siciformis Mack. & Bush ex Rydb.
Ranunculus septentrionalis Poir. var. caricetorum (Greene) Fernald
Ranunculus hispidus Michx. var. nitidus (Chapm.) T.Duncan
+
bristly buttercup, hispid buttercup, rough buttercup
Ranunculus carolinianus DC.
Ranunculus carolinianus DC. var. villicaulis Shinners
Ranunculus nitidus Muhl. ex Elliott, non Walter
Ranunculus palmatus Elliott
Ranunculus repens L. var. nitidus Chapm.
Ranunculus septentrionalis Poir.
Ranunculus septentrionalis Poir. var. nitidus Chapm.
Ranunculus septentrionalis Poir. var. pterocarpus L.D.Benson
Ranunculus pensylvanicus L.f.
*+
bristly buttercup, bristly crowfoot, Pennsylvania buttercup
Ranunculus recurvatus Poir. var. recurvatus
*+
blisterwort, hooked buttercup
Ranunculus recurvatus Poir. f. laevicaulis Weath.
Ranunculus recurvatus Poir. var. adpressipilis Weath.
Ranunculus recurvatus Poir. var. typicus L.D.Benson
Genus: Thalictrum
Thalictrum dasycarpum Fisch. & Avé-Lall.
*+
purple meadow-rue, tall meadow-rue
Thalictrum dasycarpum Fisch. & Avé-Lall. var. dasycarpum
Thalictrum dasycarpum Fisch. & Avé-Lall. var. hypoglaucum (Rydb.) B.Boivin
Thalictrum hypoglaucum Rydb.
Thalictrum dioicum L.
*+
early meadow-rue, quicksilver-weed
Family: Rosaceae
Genus: Agrimonia
Agrimonia gryposepala Wallr.
*+
common agrimony, tall hairy agrimony
Agrimonia striata Michx.
*+
grooved agrimony, roadside agrimony
Genus: Amelanchier
Amelanchier laevis Wiegand
*+
Allegheny serviceberry, Allegheny shadblow, smooth serviceberry
Amelanchier arborea (F.Michx.) Fernald subsp. laevis
Amelanchier arborea (F.Michx.) Fernald var. cordifolia (Ashe) B.Boivin
Amelanchier arborea (F.Michx.) Fernald var. laevis (Wiegand) Ahles
Amelanchier laevis Wiegand f. nitida Wiegand
Amelanchier laevis Wiegand var. nitida (Wiegand) Fernald
Amelanchier X grandiflora Rehder X
Genus: Aronia
Aronia X prunifolia (Marshall) Rehder (pro sp.) X
*+
black chokecherry, hybrid chokeberry
Aronia arbutifolia (L.) Elliott var. atropurpurea (Britton) F.Seym.
Aronia atropurpurea Britton
Aronia floribunda (Lindl.) Spach
Aronia prunifolia (Marshall) Rehder
Photinia floribunda (Lindl.) K.R.Robertson & J.B.Phipps
Pyrus arbutifolia (L.f.) Pers. var. atropurpurea (Britton) B.L.Rob.
Pyrus floribunda Lindl.
Sorbus arbutifolia (L.) Heynh. var. atropurpurea (Britton) C.K.Schneid.
Genus: Crataegus
Crataegus calpodendron (Ehrh.) Medik.
+
sugar hawthorn, pear hawthorn
Crataegus acanthacolonensis Laughlin
Crataegus calpodendron (Ehrh.) Medik. var. calpodendron
Crataegus calpodendron (Ehrh.) Medik. var. gigantea Kruschke
Crataegus calpodendron (Ehrh.) Medik. var. globosa (Sarg.) E.J.Palmer
Crataegus calpodendron (Ehrh.) Medik. var. hispida (Sarg.) E.J.Palmer
Crataegus calpodendron (Ehrh.) Medik. var. hispidula (Sarg.) E.J.Palmer
Crataegus calpodendron (Ehrh.) Medik. var. microcarpa (Chapm.) E.J.Palmer
Crataegus calpodendron (Ehrh.) Medik. var. mollicula (Sarg.) E.J.Palmer
Crataegus calpodendron (Ehrh.) Medik. var. obesa (Ashe) E.J.Palmer
Crataegus chapmanii (Beadle) Ashe
Crataegus fontanesiana (Spach) Steud.
Crataegus globosa Sarg.
Mespilus calpodendron Ehrh.
Crataegus fluviatilis Sarg.
+
Crataegus roanensis Ashe var. fluviatilis (Sarg.) Kruschke
Genus: Fragaria
Fragaria vesca L. subsp. americana
*+
hillside strawberry, thin-leaved wild strawberry, woodland strawberry
Fragaria americana (Porter) Britton
Fragaria vesca L. var. americana Porter
Fragaria virginiana Duchesne
*+
thick-leaved wild strawberry, Virginia strawberry, wild strawberry
Fragaria australis (Rydb.) Rydb.
Fragaria canadensis Michx.
Fragaria glauca (S.Watson) Rydb.
Fragaria grayana E.Vilm. ex J.Gay
Fragaria illinoensis W.R.Prince
Fragaria multicipita Fernald
Fragaria ovalis (Lehm.) Rydb.
Fragaria platypetala Rydb.
Fragaria platypetala Rydb. var. sibbaldifolia (Rydb.) Jeps.
Fragaria sibbaldifolia Rydb.
Fragaria suksdorfii Rydb.
Fragaria truncata Rydb.
Fragaria virginiana Duchesne f. maliflora Haynie
Fragaria virginiana Duchesne subsp. glauca
Fragaria virginiana Duchesne subsp. grayana
Fragaria virginiana Duchesne subsp. platypetala
Fragaria virginiana Duchesne subsp. virginiana
Fragaria virginiana Duchesne var. australis Rydb.
Fragaria virginiana Duchesne var. canadensis (Michx.) Farw.
Fragaria virginiana Duchesne var. (?) glauca S.Watson
Fragaria virginiana Duchesne var. illinoensis (W.R.Prince) A.Gray
Fragaria virginiana Duchesne var. ovalis (Lehm.) R.J.Davis
Fragaria virginiana Duchesne var. platypetala (Rydb.) Hall
Fragaria virginiana Duchesne var. virginiana
Potentilla ovalis Lehm.
Genus: Geum
Geum aleppicum Jacq.
*+
yellow avens
Geum aleppicum Jacq. subsp. strictum
Geum aleppicum Jacq. var. strictum (Aiton) Fernald
Geum strictum Aiton
Geum strictum Aiton var. decurrens (Rydb.) Kearney & Peebles
Geum canadense Jacq.
*+
white avens
Geum canadense Jacq. var. camporum (Rydb.) Fernald & Weath.
Geum laciniatum Murray
+
rough avens
Geum laciniatum Murray var. laciniatum
Geum laciniatum Murray var. trichocarpum Fernald
Genus: Physocarpus
Physocarpus opulifolius (L.) Maxim.
*+
common ninebark
Physocarpus opulifolius (L.) Maxim. var. opulifolius
+
common ninebark
Opulaster alabamensis Rydb.
Opulaster australis Rydb.
Opulaster opulifolius (L.) Kuntze
Opulaster stellatus Rydb.
Spiraea opulifolia L.
Genus: Potentilla
Potentilla arguta Pursh subsp. arguta
*+
prairie cinquefoil, tall cinquefoil, tall potentilla
Drymocallis agrimonioides (Pursh) Rydb.
Drymocallis arguta (Pursh) Rydb.
Geum agrimonioides Pursh
Potentilla arguta Pursh var. arguta
Potentilla norvegica L.
*+
Norwegian cinquefoil, rough cinquefoil, strawberry-weed
Potentilla hirsuta Michx.
Potentilla labradorica Lehm.
Potentilla monspeliensis L.
Potentilla norvegica L. subsp. hirsuta
Potentilla norvegica L. var. hirsuta (Michx.) Torr. & A.Gray
Potentilla norvegica L. subsp. monspeliensis
Potentilla norvegica L. var. labradorica (Lehm.) Fernald
Potentilla recta L.
*+
rough-fruited cinquefoil, sulphur cinquefoil, sulphur five-fingers
Potentilla pilosa Willd.
Potentilla recta L. var. obscura (Nestl.) W.D.J.Koch
Potentilla recta L. var. pilosa (Willd.) Ledeb.
Potentilla recta L. var. sulphurea (Lam.) Peyr.
Potentilla sulphurea Lam.
Potentilla simplex Michx.
*+
common cinquefoil, old-field five-fingers, old-field cinquefoil
Potentilla simplex Michx. var. argyrisma Fernald
Potentilla simplex Michx. var. calvescens Fernald
Potentilla simplex Michx. var. typica Fernald
Genus: Prunus
Prunus nigra Aiton
*+
Canadian plum
Prunus americana Marsha