Monocots of Maine
(Kingdom Plantae)

a project of
V. F. Thomas Co. - 167 Thorne Mountain Road - Canton, Maine  04221

(updated 11 February 2020)

   Below is a working checklist of Maine’s monocots (hybrids excluded). Taxonomy and nomenclature follow Flora Novae Angliae by Arthur Haines (2011, Yale University Press, ISBN 978-0-300-17154-9).
   When an image and/or information is available for a given species, the common name of that species is a link to it’s family page.
   Please send corrections and updates to or mail them to the address at the top of this page. Photographs are welcome. Thank you.

Family Genus Specific Epithet Authority Sub-specific Epithet Authority Common Name Notes
Acoraceae Acorus americanus (Raf.) Raf. several-veined sweetflag
Acoraceae Acorus calamus L. single-veined sweetflag
Alismataceae Alisma subcordatum Raf. southern water-plantain
Alismataceae Alisma triviale Pursh northern water-plantain
Alismataceae Sagittaria cuneata Sheldon northern arrowhead
Alismataceae Sagittaria filiformis J. G. Sm. narrow-leaved arrowhead
Alismataceae Sagittaria graminea Michx. var. graminea grass-leaved arrowhead
Alismataceae Sagittaria latifolia Willd. common arrowhead
Alismataceae Sagittaria montevidensis Cham. & Schlecht. ssp. spongiosa (Engelm.) Bogin spongy-leaved arrowhead
Alismataceae Sagittaria rigina Pursh sessile-fruited arrowhead
Alliaceae Allium canadense L. var. canadense meadow garlic
Alliaceae Allium cepa L. garden onion
Alliaceae Allium schoenoprasum L. wild chives
Alliaceae Allium tricoccum Ait. wild leek
Alliaceae Allium vineale L. crow garlic
Amaryllidaceae Leucojum aestivum L. summer snowflake
Amaryllidaceae Narcissus poeticus L. poet’s daffodil
Araceae Arisaema triphyllum (L.) Schott var. triphyllum Peck Jack-in-the-pulpit
Araceae Calla palustris L. wild calla
Araceae Lemna minor L. common duckweed
Araceae Lemna trisulca L. ivy-leaved duckweed
Araceae Peltandra virginica (L.) Raf. ex Schott green arrow-arum
Araceae Spirodela polyrrhiza (L._ Schleid. common duckmeal
Araceae Symplocarpus foetidus (L.) Salisb. ex Nutt. skunk-cabbage
Araceae Wolffia borealis (Engelm. ex Hegelm.) Landolt ex Landolt & Wildi northern water-meal
Araceae Wolffia brasiliensis Weddell Brazilian water-meal
Araceae Wolffia columbiana Karst. Columbian water-meal
Asparagaceae Asparagus officinalis L. asparagus
Butomaceae Butomus umbellatus L. flowering-rush
Colchicaceae Uvularia sessilifolia L. sessile-leaved bellwort
Commelinaceae Commelina communis L. Asiatic dayflower
Commelinaceae Tradescantia ohiensis Raf. smooth spiderwort
Commelinaceae Tradescantia virginiana L. Virginia spiderwort
Cyperaceae Bolboschoenus fliviatilis (Torr.) Soják river tuber-bulrush
Cyperaceae Bolboschoenus maritimus (L.) Palla saltmarsh tuber-bulrush
Cyperaceae Bolboschoenus novae-angliae (Britt.) S. G. Smith New England tuber-bulrush
Cyperaceae Bolboschoenus robustus (Pursh) Soják sea-coast tuber-bulrush
Cyperaceae Bulbostylis capillaris (L.) Kunth ex C. B. Clarke tufted hair-sedge
Cyperaceae Carex
(section Acrocystis)
albicans Willd. ex Spreng. var. emmonsii (Dewey ex Torr.) J. Rettig white-tinged sedge
Cyperaceae Carex
(section Acrocystis)
communis Bailey var. communis fibrous-rooted sedge
Cyperaceae Carex
(section Acrocystis)
deflexa Hornem. var. deflexa northern sedge
Cyperaceae Carex
(section Acrocystis)
lucorum Willd. ex Link var. lucorum Blue Ridge sedge
Cyperaceae Carex
(section Acrocystis)
novae-angliae Schwein. New England sedge
Cyperaceae Carex
(section Acrocystis)
peckii Howe Peck’s sedge
Cyperaceae Carex
(section Acrocystis)
pensylvanica Lam. Pennsylvania sedge
Cyperaceae Carex
(section Acrocystis)
reznicekii Werier Reznicek’s sedge
Cyperaceae Carex
(section Acrocystis)
tonsa (Fern.) Bickn. var. rugosperma (Mackenzie) W. J. Crins shaved sedge
Cyperaceae Carex
(section Acrocystis)
umbellata Schkuhr ex Willd. parasol sedge
Cyperaceae Carex
(section Albae)
eburnea Boott bristle-leaved sedge
Cyperaceae Carex
(section Ammoglochin)
siccata Dewey dry land sedge
Cyperaceae Carex
(section Anomalae)
scabrata Schwein. eastern rough sedge
Cyperaceae Carex
(section Bicolores)
aurea Nutt. golden-fruited sedge
Cyperaceae Carex
(section Bicolores)
garberi Fern. elk sedge
Cyperaceae Carex
(section Carex)
atherodes Spreng. wheat sedge sedge
Cyperaceae Carex
(section Carex)
hirta L. hammer sedge
Cyperaceae Carex
(section Careyanae)
digitalis Willd. var. digitalis slender woodland sedge
Cyperaceae Carex
(section Careyanae)
laxiculmis Schwein. var. laxiculmis spreading sedge
Cyperaceae Carex
(section Careyanae)
plantaginea Lam. plantain-leaved sedge
Cyperaceae Carex
(section Careyanae)
platyphylla Carey broad-leaved sedge
Cyperaceae Carex
(section Ceratocystis)
cryptolepis Mackenzie northeastern sedge
Cyperaceae Carex
(section Ceratocystis)
flava L. yellow-green sedge
Cyperaceae Carex
(section Ceratocystis)
viridula Michx. little green sedge
Cyperaceae Carex
(section Chordorrhizae)
chordorrhiza Ehrh. ex L. f. rope-root sedge
Cyperaceae Carex
(section Chlorostachyae)
capillaris L. hair-like sedge
Cyperaceae Carex
(section Clandestinae)
pedunculata Muhl. ex Willd. ssp. pedunculata long-stalked sedge
Cyperaceae Carex
(section Cyperoideae)
adusta Boott swarthy sedge
Cyperaceae Carex
(section Cyperoideae)
argyrantha Tuckerman silvery-flowered sedge
Cyperaceae Carex
(section Cyperoideae)
bebbii Olney ex Fern. Bebb’s sedge
Cyperaceae Carex
(section Cyperoideae)
bicknellii Britt. Bicknell’s sedge
Cyperaceae Carex
(section Cyperoideae)
brevior (Dewey) Mackenzie ex Lunell short-beaked sedge
Cyperaceae Carex
(section Cyperoideae)
crawfordii Fern. Crawford's sedge
Cyperaceae Carex
(section Cyperoideae)
cumulata (Bailey) Fern. clustered sedge
Cyperaceae Carex
(section Cyperoideae)
festucacea Schkuhr ex Willd. fescue sedge
Cyperaceae Carex
(section Cyperoideae)
foenea Willd. straw sedge
Cyperaceae Carex
(section Cyperoideae)
hormathodes Fern. marsh straw sedge
Cyperaceae Carex
(section Cyperoideae)
merritt-fernaldii Mackenzie Merritt Fernald’s sedge
Cyperaceae Carex
(section Cyperoideae)
normalis Mackenzie greater straw sedge
Cyperaceae Carex
(section Cyperoideae)
oronensis Fern. Orono sedge
Cyperaceae Carex
(section Cyperoideae)
ovalis Goodenough oval sedge
Cyperaceae Carex
(section Cyperoideae)
praticola Rydb. northern meadow sedge
Cyperaceae Carex
(section Cyperoideae)
projecta Mackenzie necklace sedge
Cyperaceae Carex
(section Cyperoideae)
scoparia Schkuhr ex Willd. var. scoparia pointed broom sedge
Cyperaceae Carex
(section Cyperoideae)
silicea Olney sea beach sedge
Cyperaceae Carex
(section Cyperoideae)
sychnocephala Carey many-headed sedge
Cyperaceae Carex
(section Cyperoideae)
tenera Dewey var. tenera delicate quill sedge
Cyperaceae Carex
(section Cyperoideae)
tincta (Fern.) Fern. tinged sedge
Cyperaceae Carex
(section Cyperoideae)
tribuloides Wahlenb. var. tribuloides blunt broom sedge
Cyperaceae Carex
(section Deweyanae)
bromoides Schkuhr. ex Willd. ssp. bromoides brome-like sedge
Cyperaceae Carex
(section Deweyanae)
deweyana Schwein. var. deweyana round-fruited short-scaled sedge
Cyperaceae Carex
(section Dispermae)
disperma Dewey soft-leaved sedge
Cyperaceae Carex
(section Divisae)
praegracilis W. Boott freeway sedge
Cyperaceae Carex
(section Glareosae)
arcta Boott northern cluster sedge
Cyperaceae Carex
(section Glareosae)
billingsii (Knight) C. D. Kirschbaum Billings’ sedge
Cyperaceae Carex
(section Glareosae)
brunnescens (Pers.) Poir. brownish sedge
Cyperaceae Carex
(section Glareosae)
canescens L. hoary sedge
Cyperaceae Carex
(section Glareosae)
mackenziei Krecz. Mackenzie’s sedge
Cyperaceae Carex
(section Glareosae)
tenuiflora Wahlenb. sparse-flowered sedge
Cyperaceae Carex
(section Glareosae)
trisperma Dewey three-seeded sedge
Cyperaceae Carex
(section Granulares)
crawei Dewey Crawe’s sedge
Cyperaceae Carex
(section Granulares)
granularis Muhl. ex Willd. limestone-meadow sedge
Cyperaceae Carex
(section Griseae)
conoidea Schkuhr ex Willd. open-field sedge
Cyperaceae Carex
(section Griseae)
grisea Wahlenb. inflated narrow-leaved sedge
Cyperaceae Carex
(section Heleoglochin)
diandra Schrank lesser tussock sedge
Cyperaceae Carex
(section Heleoglochin)
prairea Dewey ex Wood prairie sedge
Cyperaceae Carex
(section Hirtifoliae)
hirtifolia Mackenzie pubescent sedge
Cyperaceae Carex
(section Hymenochlaenae)
arctata Boott in Hook. drooping woodland sedge
Cyperaceae Carex
(section Hymenochlaenae)
castanea Wahlenb chestnut sedge
Cyperaceae Carex
(section Hymenochlaenae)
debilis Michx. white-edged sedge
Cyperaceae Carex
(section Hymenochlaenae)
gracillima Schwein. graceful sedge
Cyperaceae Carex
(section Hymenochlaenae)
prasina Wahlenb. drooping sedge
Cyperaceae Carex
(section Hymenochlaenae)
sprengelii Dewey ex Soreng. long-beaked sedge
Cyperaceae Carex
(section Laxiflorae)
blanda Dewey eastern woodland sedge
Cyperaceae Carex
(section Laxiflorae)
laxiflora Lam. broad loose-flowered sedge
Cyperaceae Carex
(section Laxiflorae)
leptonervia (Fern.) Fern. nerveless woodland sedge
Cyperaceae Carex
(section Laxiflorae)
ormostachya Wieg. necklace spike sedge
Cyperaceae Carex
(section Leptocephalae)
leptalea Wahlenb. ssp. leptalea bristle-stalk sedge
Cyperaceae Carex
(section Leucoglochin)
pauciflora Lightf. few-flowered sedge
Cyperaceae Carex
(section Limosae)
limosa L. mud sedge
Cyperaceae Carex
(section Limosae)
magellanica Lam. ssp. irrigua (Wahlenb.) Hultén boreal bog sedge
Cyperaceae Carex
(section Limosae)
rariflora (Wahlenb.) Sm. loose-flowered alpine sedge
Cyperaceae Carex
(section Lupulinae)
intumescens Rudge greater bladder sedge
Cyperaceae Carex
(section Lupulinae)
lupulina Muhl. ex Willd. hop sedge
Cyperaceae Carex
(section Mitratae)
caryophyllea Lat. vernal sedge
Cyperaceae Carex
(section Multiflorae)
annectens (Bickn.) Bickn. yellow-fruited sedge
Cyperaceae Carex
(section Multiflorae)
vulpinoidea Michx. common fox sedge
Cyperaceae Carex
(section Paludosae)
houghtoniana Torr. ex Dewey Houghton's sedge
Cyperaceae Carex
(section Paludosae)
lacustris Willd. lake-side sedge
Cyperaceae Carex
(section Paludosae)
lasiocarpa Ehrh. ssp. americana (Fern.) D. Löve & Bernard woolly-fruited sedge
Cyperaceae Carex
(section Paludosae)
pellita Muhl. woolly sedge
Cyperaceae Carex
(section Paludosae)
vestita Willd. velvet sedge
Cyperaceae Carex
(section Paniceae)
livida (Wahlenberg.) Willd. livid sedge
Cyperaceae Carex
(section Paniceae)
panicea L. grass-like sedge
Cyperaceae Carex
(section Paniceae)
polymorpha Muhl. variable sedge
Cyperaceae Carex
(section Paniceae)
vaginata Tausch sheathed sedge
Cyperaceae Carex
(section Phacocystis)
aquatilis Wahlenb. ssp. altior (Rydb.) Hultén water sedge
Cyperaceae Carex
(section Phacocystis)
bigelowii Torr. ex Schwein. ssp. bigelowii Bigelow’s sedge
Cyperaceae Carex
(section Phacocystis)
crinita Lam. var. crinita fringed sedge
Cyperaceae Carex
(section Phacocystis)
gynandra Schwein. nodding sedge
Cyperaceae Carex
(section Phacocystis)
haydenii Dewey Hayden’s sedge
Cyperaceae Carex
(section Phacocystis)
lenticularis Michx. var. lenticularis lake shore sedge
Cyperaceae Carex
(section Phacocystis)
nigra (L.) Reichard smooth black sedge
Cyperaceae Carex
(section Phacocystis)
paleacea Schreb. ex Wahlenb. chaffy sedge
Cyperaceae Carex
(section Phacocystis)
recta Boott estuary sedge
Cyperaceae Carex
(section Phacocystis)
stricta Lam. tussock sedge
Cyperaceae Carex
(section Phacocystis)
torta Boott ex Tuckerman twisted sedge
Cyperaceae Carex
(section Phacocystis)
vacillans Drej. ex Hartman swinging sedge
Cyperaceae Carex
(section Phaestoglochin)
appalachica J. Webber & P. W. Ball Appalachian sedge
Cyperaceae Carex
(section Phaestoglochin)
cephaloidea (Dewey) Dewey thin-leaved sedge
Cyperaceae Carex
(section Phaestoglochin)
cephalophora Muhl. ex Willd. oval-headed sedge
Cyperaceae Carex
(section Phaestoglochin)
muehlenbergii Schkuhr ex Willd. Muhlenberg’s sedge
Cyperaceae Carex
(section Phaestoglochin)
radiata (Wahlenb.) Small eastern star sedge
Cyperaceae Carex
(section Phaestoglochin)
rosea Schkuhr ex Willd. rosy sedge
Cyperaceae Carex
(section Phaestoglochin)
sparganioides Muhl. ex Willd. bur-reed sedge
Cyperaceae Carex
(section Phaestoglochin)
spicata Huds. prickly sedge
Cyperaceae Carex
(section Phyllostachyae)
backii Boott Back’s sedge
Cyperaceae Carex
(section Physoglochin)
gynocrates Wormsk. ex Drej. northern bog sedge
Cyperaceae Carex
(section Porocystis)
bushii Mackenzie Bush’s sedge
Cyperaceae Carex
(section Porocystis)
hirsutella Mackenzie hirsute sedge
Cyperaceae Carex
(section Porocystis)
pallescens L. pale sedge
Cyperaceae Carex
(section Porocystis)
swanii (Fern.) Mackenzie Swan’s sedge
Cyperaceae Carex
(section Porocystis)
virescens Muhl. ex Willd. ribbed sedge
Cyperaceae Carex
(section Racemosae)
atratiformis Britt. scabrous black sedge
Cyperaceae Carex
(section Racemosae)
media R. Br. closed-headed sedge
Cyperaceae Carex
(section Rostrales)
folliculata L. northern long sedge
Cyperaceae Carex
(section Rostrales)
michauxiana Boeckl. Michaux’s sedge
Cyperaceae Carex
(section Scirpinae)
scirpoidea Michx. ssp. scirpoidea Canadian single-spike sedge
Cyperaceae Carex
(section Squarrosae)
typhina Michx. cattail sedge
Cyperaceae Carex
(section Stellulatae)
atlantica Bailey prickly bog sedge
Cyperaceae Carex
(section Stellulatae)
echinata Murr. var. echinata star sedge
Cyperaceae Carex
(section Stellulatae)
exilis Dewey meager sedge
Cyperaceae Carex
(section Stellulatae)
interior Bailey inland sedge
Cyperaceae Carex
(section Stellulatae)
sterilis Willd dioecious sedge
Cyperaceae Carex
(section Stellulatae)
wiegandii Mackenzie Wiegand’s sedge
Cyperaceae Carex
(section Vesicariae)
baileyi Britt. Bailey’s sedge
Cyperaceae Carex
(section Vesicariae)
bullata Schkuhr ex Willd. button sedge
Cyperaceae Carex
(section Vesicariae)
comosa Boott bearded sedge
Cyperaceae Carex
(section Vesicariae)
hystericina Muhl. ex Willd. porcupine sedge
Cyperaceae Carex
(section Vesicariae)
lurida Wahlenb. sallow sedge
Cyperaceae Carex
(section Vesicariae)
oligosperma Michx. few-seeded sedge
Cyperaceae Carex
(section Vesicariae)
pseudocyperus L. cypress-like sedge
Cyperaceae Carex
(section Vesicariae)
retrorsa Schwein. retrorse sedge
Cyperaceae Carex
(section Vesicariae)
rostrata Stokes beaked sedge
Cyperaceae Carex
(section Vesicariae)
saxatilis L. russet sedge
Cyperaceae Carex
(section Vesicariae)
tuckermanii Dewey Tuckerman’s sedge
Cyperaceae Carex
(section Vesicariae)
utriculata Boott swollen-beaked sedge
Cyperaceae Carex
(section Vesicariae)
vesicaria L. lesser bladder sedge
Cyperaceae Carex
(section Vulpinae)
alopecoides Tuckerman fox-tail sedge
Cyperaceae Carex
(section Vulpinae)
oklahomensis Mackenzie Oklahoma sedge
Cyperaceae Carex
(section Vulpinae)
stipata Muhl. ex Willd. var. stipata awl-fruited sedge
Cyperaceae Cladium mariscoides (Muhl.) Torr. smooth saw-sedge
Cyperaceae Cyperus bipartitis Torr. shining flatsedge
Cyperaceae Cyperus dentatus Torr. toothed flatsedge
Cyperaceae Cyperus diandrus Torr. umbrella flatsedge
Cyperaceae Cyperus erythroryizos Muhl. red-root flatsedge
Cyperaceae Cyperus esculentus L. var. leptostachyus Boeck. nut flatsedge
Cyperaceae Cyperus filicinus Vahl fern flatsedge
Cyperaceae Cyperus houghtonii Torr. Houghton’s flatsedge
Cyperaceae Cyperus lupulinus (Spreng.) Marcks Great Plains flatsedge
Cyperaceae Cyperus polystachyos Rottb. many-spiked flatsedge
Cyperaceae Cyperus squarrosus L. awned flatsedge
Cyperaceae Cyperus strigosus L. straw-colored flatsedge
Cyperaceae Dulichium arundinaceum (L.) Britt. var. arundinaceum three-way sedge
Cyperaceae Eleocharis acicularis (L.) Roemer & J. A. Schultes needle spikesedge
Cyperaceae Eleocharis aestuum A. Haines tidal spikesedge
Cyperaceae Eleocharis diandra C. Wright Wright’s spikesedge
Cyperaceae Eleocharis elliptica Kunth var. elliptica elliptic spikesedge
Cyperaceae Eleocharis engelmannii Steud. Engelmann’s spikesedge
Cyperaceae Eleocharis erythropoda Steud. red-footed spikesedge
Cyperaceae Eleocharis flavescens (Poir.) Urban var. olivacea (Torr.) Gleason yellow spikesedge
Cyperaceae Eleocharis intermedia J. A. Schultes mudflat spikesedge
Cyperaceae Eleocharis nitida Fern. quill spikesedge
Cyperaceae Eleocharis obtusa (Willd.) J. A. Schultes blunt spikesedge
Cyperaceae Eleocharis ovata (Roth) Roemer & J. A. Schultes ovoid spikesedge
Cyperaceae Eleocharis palustris (L.) Roemer & J. A. Schultes common spikesedge
Cyperaceae Eleocharis parvula (Roemer & J. A. Schultes) Link ex/i> Bluff, Nees, & Schauer little-headed spikesedge
Cyperaceae Eleocharis quinqueflora (F. X. Hartmann) Schwarz ssp. fernaldii (Svens.) Hultén few-flowered spikesedge
Cyperaceae Eleocharis robbinsii Oakes Robbin's spikesedge
Cyperaceae Eleocharis restellata (Torr.) Torr. beaked spikesedge
Cyperaceae Eleocharis tenuis (Willd.) J. A. Schultes var. tenuis slender spikesedge
Cyperaceae Eleocharis tuberculosa (Michx.) Roemer & J. A. Schultes long-tubercled spikesedge
Cyperaceae Eleocharis uniglumis (Link) J. A. Schultes one-glumed spikesedge
Cyperaceae Eriophorum angustifolium Honckeny ssp. angustifolium tall cottonsedge
Cyperaceae Eriophorum gracile W. D. J. Koch slender cottonsedge
Cyperaceae Eriophorum tenellum Nutt. few-nerved cottonsedge
Cyperaceae Eriophorum vaginatum L. ssp. spissum (Fern.) Hultén tussock cottonsedge
Cyperaceae Eriophorum virginicum L. tawny cottonsedge
Cyperaceae Eriophorum viridicarinatum (Engelm.) Fern. green-keeled cottonsedge
Cyperaceae Fimbristylis autumnalis (L.) Roemer & J. A. Schultes slender fimbry
Cyperaceae Lipocarpha micrantha (Vahl) G. Tucker small-flowered dwarf-bulrush
Cyperaceae Rhynchospora alba (L.) Vahl white beaksedge
Cyperaceae Rhynchospora capillacea Torr. needle beaksedge
Cyperaceae Rhynchospora capitellata (Michx.) Vahl brownish beaksedge
Cyperaceae Rhynchospora fusca (L.) Ait. f. brown beaksedge
Cyperaceae Rhynchospora macrostachya Torr. ex Gray tall beaksedge
Cyperaceae Schoenoplectus acutus (Muhl. ex Bigel.) A. & D. Löve var. acutus hard-stemmed bulrush
Cyperaceae Schoenoplectus pungens (Vahl) Palla var. pungens three-square bulrush
Cyperaceae Schoenoplectus purshianus (Fern.) M. T. Strong weak=sta;led bulrush
Cyperaceae Schoenoplectus smithii (Gray) Soják Smith’s bulrush
Cyperaceae Schoenoplectus subterminalis (Torr.) Soják water bulrush
Cyperaceae Schoenoplectus tabernaemontani (K. C. Gmel.) Palla soft-stemmed bulrush
Cyperaceae Schoenoplectus torreyi (Olney) Palla Torrey’s bulrush
Cyperaceae Scirpus atrocinctus Fern. black-girdled woolsedge
Cyperaceae Scirpus atrovirens Willd. dark green bulrush
Cyperaceae Scirpus cyperinus (L.) Kunth common woolsedge
Cyperaceae Scirpus expansus Fern. wood bulrush
Cyperaceae Scirpus georgianus Harper Georgia bulrush
Cyperaceae Scirpus hattorianus Makino mosquito bulrush
Cyperaceae Scirpus longii Fern. Long’s woolsedge
Cyperaceae Scirpus microcarpus J. & K. Presl barber-pole bulrush
Cyperaceae Scirpus pedicellatus Fern. stalked woolsedge
Cyperaceae Scirpus pendulus Muhl. rufous bulrush
Cyperaceae Trichophorum alpinum (L.) Pers. alpine clubsedge
Cyperaceae Trichophorum cespitosum (L.) Hartman ssp. cespitosum tufted clubsedge
Cyperaceae Trichophorum clintonii (Gray) S. G. Sm. Clinton’s clubsedge
Cyperaceae Trichophorum planifolium (Spreng.) Palla bashful clubsedge
Eriocaulaceae Eriocaulon aquaticum (Hill) Druce seven-angled pipewort
Eriocaulaceae Eriocaulon parkeri B. L. Robins. Parker’s pipewort
Hemerocallidaceae Hemerocallis fulva (L.) L. orange day-lily
Hemerocallidaceae Hemerocallis lilioasphodelus L. yellow day-lily
Hyacinthaceae Ornithogalum umbellatum L. nap-at-noon
Hydrocharitaceae Elodea canadensis Michx. common waterweed
Hydrocharitaceae Elodea nuttallii (Planch.) St. John free-flowered waterweed
Hydrocharitaceae Hydrilla verticillata (L. f.) Royle water-thyme
Hydrocharitaceae Najas flexilis (Willd.) Rostk. & Schmidt wavy waternymph
Hydrocharitaceae Najas gracillima (A. Braun ex Engelm.) Magnus slender waternymph
Hydrocharitaceae Najas gudalupensis (Spreng.) Magnus Guadelupe waternymph
Hydrocharitaceae Vallisneria americana Michx. tape-grass
Hypoxidaceae Hypoxis hirsuta (L.) Coville common star-grassgrass
Iridaceae Iris hookeri Penny ex D. Don beach-head iris
Iridaceae Iris prismatica Pursh ex Ker-Gawl. slender blue iris
Iridaceae Iris pseudacorus L. yellow iris
Iridaceae Iris pumila L. dwarf iris
Iridaceae Iris versicolor L. blue iris
Iridaceae Sisyrinchium albidum Raf. white blue-eyed-grass
Iridaceae Sisyrinchium angustifolium P. Mill. white blue-eyed-grass
Iridaceae Sisyrinchium atlanticum Bickn. eastern blue-eyed-grass
Iridaceae Sisyrinchium montanum Greene strict blue-eyed-grass
Iridaceae Sisyrinchium mucronatum Michx. needle-tipped blue-eyed-grass
Juncaceae Juncus acuminatus Michx. sharp-fruited rush
Juncaceae Juncus alpinoarticulatus Chaix ex Vill. ssp. americanus (Farw.) Hämet-Ahti northern green rush
Juncaceae Juncus ambiguus Guss. seaside toad rush
Juncaceae Juncus anthelatus (Wieg.) R. E. Brooks Wiegand’s rush
Juncaceae Juncus articulatus L. joint-leaved rush
Juncaceae Juncus balticus Willd. ssp. littoralis (Engelm.) Snogerup arctic rush
Juncaceae Juncus brachycephalus (Engelm.) Buch. small-headed rush
Juncaceae Juncus brevicaudatus (Engelm.) Fern. short-tailed rush
Juncaceae Juncus bufonius L. toad rush
Juncaceae Juncus canadensis J. Gay ex Laharpe Canada rush
Juncaceae Juncus compressus Jacq. round-fruited rush
Juncaceae Juncus dichotomus Ell. forked rush
Juncaceae Juncus dudleyi Wieg. Dudley’s rush
Juncaceae Juncus effusus L. common soft rush
Juncaceae Juncus filiformis L. thread rush
Juncaceae Juncus gerardii Loisel. saltmarsh rush
Juncaceae Juncus greenei Oakes & Tuckerman Greene’s rush
Juncaceae Juncus marginatus Rostk. grass-leaved
Juncaceae Juncus militaris Bigelow bayonet rush
Juncaceae Juncus nodosus L. knotted rush
Juncaceae Juncus pelocarpus E. Mey. brown-fruited rush
Juncaceae Juncus pylaei Laharpe Pylae’s rush
Juncaceae Juncus secundus Beauv. ex Poir. lopsided rush
Juncaceae Juncus stygius L. ssp. americanus (Buch.) Hultén moor rush
Juncaceae Juncus subtilis E. Mey. greater creeping rush
Juncaceae Juncus tenuis Willd. path rush
Juncaceae Juncus torreyi Coville Torrey’s rush
Juncaceae Juncus trifidus L. highland rush
Juncaceae Juncus vaseyi Engelm. Vasey’s rush
Juncaceae Luzula acuminata Raf. var. acuminata hairy wood rush
Juncaceae Luzula confusa Lindeberg northern wood rush
Juncaceae Luzula luzuloides (Lam.) Dandy & Wilmott ssp. luzuloides oak-forest wood rush
Juncaceae Luzula multiflora (Ehrh.) Lej. ssp. multiflora common wood rush
Juncaceae Luzula parviflora (Ehrh.) Desv. ssp. melanocarpa (Michx.) Hämet-Ahti small-flowered wood rush
Juncaceae Luzula spicata (L.) DC. spiked wood rush
Juncaginaceae Triglochin gaspensis Lieth & D. Löve Gaspe Peninsula arrow-grass
Juncaginaceae Triglochin maritima L. saltmarsh arrow-grass
Juncaginaceae Triglochin palustre L. marsh arrow-grass
Liliaceae Clintonia borealis (Ait.) Raf. yellow bluebead-lily
Liliaceae Erythronium americanum Ker-Gawl. ssp. americanum yellow bluebead-lily
Liliaceae Lilium canadense L. Canada lily
Liliaceae Lilium lancifolium Thunb. lance-leaved tiger lily
Liliaceae Lilium philadelphicum L. wood lily
Liliaceae Medeola virginiana L. Indian cucumber root
Liliaceae Streptopus amplexifolius (L.) DC. clasping-leaved twistedstalk
Liliaceae Streptopus lanceolatus (Ait.) Reveal lance-leaved twistedstalk
Melanthiaceae Trillium cernuum L. nodding wakerobin
Melanthiaceae Trillium erectum L. red wakerobin
Melanthiaceae Trillium grandiflorum (Michx.) Salisb. white wakerobin
Melanthiaceae Trillium undulatum Willd. painted wakerobin
Melanthiaceae Veratrum viride Ait. ssp. viride American false hellebore
Nartheciaceae Aletris farinosa L. white colic-root
Orchidaceae Amerorchis rotundifolia (Banks ex Pursh) Hultén round-leaved orchid
Orchidaceae Arethusa bulbosa L. dragon’s-mouth
Orchidaceae Calopogon tuberosus (L.) B. S. P. var. tuberosus tuberous grass-pink
Orchidaceae Calypso bulbosa (L.) Oakes ssp. americana (R. Br. ex Ait. f.) A. Haines fairy-slipper
Orchidaceae Coeloglossum viride (L.) Hartman long-bracted green orchid
Orchidaceae Corallorhiza maculata (Raf.) Raf. spotted coral-root
Orchidaceae Corallorhiza odontorhiza (Willd.) Poir.
Orchidaceae Corallorhiza trifida Chatelain early coral-root
Orchidaceae Cypripedium acaule Ait. pink lady’s-slipper
Orchidaceae Cypripedium arietinum Ait. f. ram’s-head lady’s-slipper
Orchidaceae Cypripedium parviflorum Salisb. uellow lady’s-slipper
Orchidaceae Cypripedium reginae Walt. showy lady’s-slipper
Orchidaceae Epipactis helleborine (L.) Crantz broad-leaved helleborine
Orchidaceae Galearis spectabilis (L.) Raf. showy orchis
Orchidaceae Goodyera oblongifolia Raf. giant rattlesnake-plantain
Orchidaceae Goodyera pubescens (Willd.) R. Br. in Ait. & Ait. f. downy rattlesnake-plantain
Orchidaceae Goodyera repens (L.) R. Br. in Ait. & Ait. f. dwarf rattlesnake-plantain
Orchidaceae Goodyera tesselata Lodd. checkered rattlesnake-plantain
Orchidaceae Isotria medeoloides (Pursh) Raf. small whorled pogonia
Orchidaceae Isotria verticillata (Muhl. ex Willd.) Raf. large whorled pogonia
Orchidaceae Liparis loeselii (L.) L. C. Rich. Loesel’s wide-lipped orchid
Orchidaceae Malaxis monophyllos (L.) Sw. ssp. brachypoda (Gray) A. & D. Löve white adder's-mouth
Orchidaceae Malaxis unifolia Michx. green adder's-mouth
Orchidaceae Neottia auriculata (Wieg.) Szlach. auricled twayblade
Orchidaceae Neottia convallarioides (Sw.) Rich. broad-leaved twayblade
Orchidaceae Neottia cordata (L.) Rich. ssp. cordata heart-leaved twayblade
Orchidaceae Platanthera aquilonis Sheviak north wind bog-orchid
Orchidaceae Platanthera blephariglottis (Willd.) Lindl. var. blephariglottis white fringed bog-orchid
Orchidaceae Platanthera clavellata (Michx.) Luer little club-spur bog-orchid
Orchidaceae Platanthera dilatata (Pursh) Lindl. var. dilatata white northern bog-orchid
Orchidaceae Platanthera flava (L.) Lindl. var. herbiola (R. Br. in Ait. & Ait. f.) Luer northern tubercled bog-orchid
Orchidaceae Platanthera grandiflora (Bigelow) Lindl. greater purple fringed orchid
Orchidaceae Platanthera hookeri (Torr. ex> Gray) Lindl. Hooker’s bog-orchid
Orchidaceae Platanthera huronensis (Nutt.) Lindl. Lake Huron green bog-orchid
Orchidaceae Platanthera lacera (Michx.) G. Don green fringed orchid
Orchidaceae Platanthera leucophaea (Nutt.) Lindl. eastern prairie white fringe bog-orchid
Orchidaceae Platanthera macrophylla (Goldie) Lindl. large-leaved bog-orchid
Orchidaceae Platanthera obtusata (Banks ex Pursh) Lindl. ssp. obtusata blunt-leaved bog-orchid
Orchidaceae Platanthera orbiculata (Pursh) Lindl. round-eaved bog-orchid
Orchidaceae Platanthera psycodes (L.) Lindl. lesser purple fringed orchid
Orchidaceae Pogonia ophioglossoides (L.) Ker-Gawl. rose pogonia
Orchidaceae Spiranthes casei Catling & Cruise var. casei Case’s ladies’-tresses
Orchidaceae Spiranthes cernua (L.) L. C. Rich. nodding ladies’-tresses
Orchidaceae Spiranthes lacera (Raf.) Raf. slender ladies’-tresses
Orchidaceae Spiranthes lucida (H. H. Eat.) Ames shining ladies’-tresses
Orchidaceae Spiranthes ochroleuca (Rydb.) Rydb. yellow ladies’-tresses
Orchidaceae Spiranthes romanzoffiana Cham. hooded ladies’-tresses
Orchidaceae Triphora trianthophora (Sw.) Rydb. ssp. trianthophora three-birds orchid
Poaceae Agrostis canina L. dog bentgrass
Poaceae Agrostis capillaris L. Rhode Island bentgrass
Poaceae Agrostis elliottiana J. A. Schultes Elliott’s bentgrass
Poaceae Agrostis gigantea Roth redtop bentgrass
Poaceae Agrostis hyemalis (Walt.) B. S. P. winter bentgrass
Poaceae Agrostis mertensii Trin. northern bentgrass
Poaceae Agrostis perennans (Walt.) Tuckerman autumn bentgrass
Poaceae Agrostis scabra Willd. rough bentgrass
Poaceae Agrostis stolonifera L. creeping bentgrass
Poaceae Alopecurus aequalis Sobol. short-awned meadow-foxtail
Poaceae Alopecurus geniculatus L. marsh meadow-foxtail
Poaceae Alopecurus myosuroides Huds. slender meadow-foxtail
Poaceae Alopecurus pratensis Sobol. field meadow-foxtail
Poaceae Ammophila breviligulata Fern. American beach grass
Poaceae Andropogon gerardii Vitman big bluestem
Poaceae Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp northern sweet grass
Poaceae Anthoxanthum monticola (Bigelow) Y. Schouten & Veldkamp ssp. monticola alpine sweet grass
Poaceae Anthoxanthum nitens (Weber) Y. Schouten & Veldkamp ssp. nitens vanilla sweet grass
Poaceae Anthoxanthum odoratum L. large sweet grass
Poaceae Anthoxanthum ovatum Lag. var. aristatum Pérez-Lara small sweet grass
Poaceae Apera interrupta (L.) Beauv. dense silky bentgrass
Poaceae Apera spica-venti (L.) Beauv. loose silky bentgrass
Poaceae Aristida basiramea (Engelm.) ex Vasey fork-tipped threeawn
Poaceae Aristida dichotoma Michx. var. dichotoma churchmouse threeawn
Poaceae Aristida oligantha Michx. oldfield threeawn
Poaceae Arrhenatherum elatius (L.) J. & K. Presl tall oat grass
Poaceae Avena fatua L. wild oat
Poaceae Avena sativa L. oat
Poaceae Beckmannia Syzigachne (Steud.) Fern. American slough grass
Poaceae Bouteloua curtipendula (Michx.) Torr. var. curtipendula sideoats gramma
Poaceae Bouteloua gracilis (Willd. ex Kunth) Griffiths blue gramma
Poaceae Bouteloua repens (Kunth) Scribn. & Merr. slender gramma
Poaceae Bouteloua simplex Lag. mat gramma
Poaceae Brachyelytrum aristosum (Michx.) Trel. in Branner & Coville northern long-awned wood grass
Poaceae Briza media L. perennial quaking grass
Poaceae Bromus arvensis L. field brome
Poaceae Bromus ciliatus L. fringed brome
Poaceae Bromus commutatus Schrad. meadow brome
Poaceae Bromus erectus Huds. upright brome
Poaceae Bromus hordeaceus L. soft brome
Poaceae Bromus inermis Leyss. ssp. inermis smooth brome
Poaceae Bromus japonicus Thunb. ex Muhl. Japanese brome
Poaceae Bromus kalmii Gray Kalm’s brome
Poaceae Bromus latiglumis (Shear) A. S. Hitchc. flanged brome
Poaceae Bromus marginatus Nees ex Steud. large mountain brome
Poaceae Bromus pubescens Muhl. ex Willd. hairy wood brome
Poaceae Bromus secalinus L. rye brome
Poaceae Bromus tectorum L. cheat brome
Poaceae Calamagrostis canadensis (Michx.) Beauv. var. canadensis Canada reed grass
Poaceae Calamagrostis cinnoides (Muhl.) W. Bart. Nuttall’s reed grass
Poaceae Calamagrostis pickeringii Gray Pickering’s reed grass
Poaceae Calamagrostis stricta (Timm) Koel. neglected reed grass
Poaceae Cenchrus longispinu (Hack.) Fern. long-spined sandbur
Poaceae Cenchrus spinifex Cavanilies coastal sandbur
Poaceae Chloris cucullata Bisch. hooded windmill-grass
Poaceae Chloris virgata Sw. feather windmill-grass
Poaceae Cinna arundinacea L. sweet wood-reed
Poaceae Cinna latifolia (Trev. ex Goepp.) Griseb. slender wood-reed
Poaceae Cynosurus cristatus L. crested dogtail grass
Poaceae Dactylis glomerata L. orchard grass
Poaceae Dactylotenium aegyptium (L.) Willd. Durban crowfoot grass
Poaceae Danthonia compressa Austin ex Peck flattened oatgrass
Poaceae Danthonia spicata (L.) Beauv. ex Roemer & J. A. Schultes poverty oatgrass
Poaceae Deschampsia anadyrensis V. N. Vassil. tufted hair grass
Poaceae Deschampsia cespitosa (L.) Beauv. tufted hair grass
Poaceae Deschampsia danthonioides (Trin.) Munro annual hair grass
Poaceae Deschampsia elongata (Hook.) Munro slender hair grass
Poaceae Deschampsia flexuosa (L.) Trin. wavy hair grass
Poaceae Dichanthelium acuminatum (Sw.) Gould & C. A. Clark hairy rosette-panicgrass
Poaceae Dichanthelium boreale (Nash) Freckmann northern rosette-panicgrass
Poaceae Dichanthelium clandestinum (L.) Gould deer-tongue rosette-panicgrass
Poaceae Dichanthelium depauperatum (Muhl.) Gould starved rosette-panicgrass
Poaceae Dichanthelium dichotomum (L.) Gould forked rosette-panicgrass
Poaceae Dichanthelium latifolium (L.) Harvill broad-leaved rosette-panicgrass
Poaceae Dichanthelium linearifolium (Scribn.) Gould linear-leaved rosette-panicgrass
Poaceae Dichanthelium oligosanthes (J. A. Schultes) Gould ssp. scribnerianum (Nash) Freckmann & Lelong few-flowered rosette-panicgrass
Poaceae Dichanthelium sphaerocarpon (Ell.) Gould round-fruited rosette-panicgrass
Poaceae Dichanthelium xanthophysum (Gray) Gould pale-leaved rosette-panicgrass
Poaceae Digitaria ischaemum (Schreb.) Muhl. smooth crabgrass
Poaceae Digitaria sanguinalis (L.) Scop. hairy crabgrass
Poaceae Distichlis spicata (L.) Greene saltgrass
Poaceae Echinochloa crus-galli (L.) Beauv. barnyard grass
Poaceae Echinochloa frumentacea Link billion-dollar barnyard grass
Poaceae Echinochloa muricata (Beauv.) Fern. American barnyard grass
Poaceae Eleusine indica (L.) Gaertn. goosegrass
Poaceae Elymus canadensis L. Great Plains wild-rye
Poaceae Elymus glabriflorus (Vasey ex Dewey) Scribn. & Ball southeastern wild-rye
Poaceae Elymus hystrix L. eastern bottle-brush grass
Poaceae Elymus macgregorii R. Brooks & J. J. N. Campb. early wild-rye
Poaceae Elymus repens (L.) Gould quackgrass
Poaceae Elymus riparius Wieg. eastern riverbank wild-rye
Poaceae Elymus trachycaulus (Link) Gould ex Shinners ssp. trachycaulus wheatgrass
Poaceae Elymus virginicus L. common eastern wild-rye
Poaceae Elymus wiegandii Fern. Wiegand’s wild-rye
Poaceae Eragrostis capillaris (L.) Nees lace lovegrass
Poaceae Eragrostis cilianensis (All.) Lut. ex Janchen stinking lovegrass
Poaceae Eragrostis frankii C. A. Mey. ex Steud. sandbar lovegrass
Poaceae Eragrostis hypnoides (Lam.) B. S. P. teel lovegrass
Poaceae Eragrostis intermedia Hitchc. plains lovegrass
Poaceae Eragrostis mexicana (Hornem.) Link ssp. virescens (J. Presl)) S. D. Koch & Sánchez Mexican lovegrass
Poaceae Eragrostis minor Host little lovegrass
Poaceae Eragrostis pectinacea (Michx.) Nees ex Steud. var. pectinacea tufted lovegrass
Poaceae Eragrostis pilosa (L.) Beauv. var. pilosa India lovegrass
Poaceae Eragrostis spectabilis (Pursh) Steud. purple lovegrass
Poaceae Festuca filiformis Pourret fine-leaved sheep fescue
Poaceae Festuca ovina L. sheep fescue
Poaceae Festuca prolifera {Piper) Fern. proliferous fescue
Poaceae Festuca rubra L. red fescue
Poaceae Festuca subverticillata (Pers.) Alexeev nodding fescue
Poaceae Festuca trachyphylla (Hack.) Krajina jard fescue
Poaceae Gastridium phleoides (Nees & Meyen) C. E. Hubbard nit grass
Poaceae Glyceria acutiflora Torr. sharp-scaled manna grass
Poaceae Glyceria borealis (Nash) Batchelder northern manna grass
Poaceae Glyceria canadensis (Michx.) Trin. rattlesnake manna grass
Poaceae Glyceria grandis S. Wats. var. grandis American manna grass
Poaceae Glyceria laxa (Scribn.) Scribn. flaccid manna grass
Poaceae Glyceria melicaria (Michx.) F. T. Hubbard northeastern manna grass
Poaceae Glyceria obtusa (Muhl.) Trin. Atlantic manna grass
Poaceae Glyceria septentrionalis A. S. Hitchc. var. septentrionalis floating manna grass
Poaceae Glyceria striata (Lam.) A. S. Hitchc. fowl manna grass
Poaceae Graphephorum melicoides (Michx.) Desv. graphephorum
Poaceae Holcus lanatus L. common velvet grass
Poaceae Hordeum jubatum L. ssp. jubatum fox-tail barley
Poaceae Hordeum murinum L. ssp. leporinum (Link) Arcang. mouse barley
Poaceae Hordeum pusillum Nutt. little barley
Poaceae Hordeum vulgare L. common barley
Poaceae Koeleria macrantha (Ledeb.) J. A. Schultes prairie Koeler’s grass
Poaceae Leersia oryzoides (L.) Sw. rice cut grass
Poaceae Leersia virginica Willd. white cut grass
Poaceae Leptochloa fusca (L.) Kunth bearded sprangletop
Poaceae Leymus mollis (Trin.) Hara var. mollis American lyme grass
Poaceae Lolium multiflorum Lam. Italian rye grass
Poaceae Lolium perenne L. perennial rye grass
Poaceae Lolium temulentum L. ssp, temulentum poison darnel
Poaceae Milium effusum L. ssp. cisatlanticum (Fern.) A. Haines
Poaceae Miscanthus sacchariflorus (Maxim.) Franch. Amur silvergrass
Poaceae Molinia caerulea (L.) Moench. purple moorgrass
Poaceae Muhlenbergia alopecuroides (Griseb.) P. M. Peterson bristly wolfstail
Poaceae Muhlenbergia frondosa (Poir) Fern. wire-stemmed muhly
Poaceae Muhlenbergia glomerata (Willd.) Trin. spike muhly
Poaceae Muhlenbergia mexicana (L.) Trin. Mexican muhly
Poaceae Muhlenbergia racemosa (Michx.) B. S. P. marsh muhly
Poaceae Muhlenbergia richardsonis (Trin.) Rydb. matted muhly
Poaceae Muhlenbergia schreberi J. F. Gmel. nimblewill muhly
Poaceae Muhlenbergia sobolifera (Muhl. ex Willd.) Trin. rock muhly
Poaceae Muhlenbergia sylvatica Torr. ex Gray woodland muhly
Poaceae Muhlenbergia uniflora (Muhl.) Fern. bog muhly
Poaceae Oryzopsis asperifolia Michx. white-grained mountain-rice grass
Poaceae Panicum capillare L. ssp. capillare witch panicgrass
Poaceae Panicum dichotomiflorum Michx. var. dichotomiflorum fall panicgrass
Poaceae Panicum miliaceum L. ssp. iliaceum Proso millet
Poaceae Panicum philadelphicum Bern. ex Trin. Philadelphia panicgrass
Poaceae Panicum tuckermanii Fer. Tuckerman’s panicgrass
Poaceae Panicum virgatum L. switch panicgrass
Poaceae Pappophorum vaginatum Buckl. whiplash pappus grass
Poaceae Phalaris arundinacea L. reed canary grass
Poaceae Phalaris canariensis L. common canary grass
Poaceae Phleum alpinum L. mountain Timothy
Poaceae Phleum pratense L. common Timothy
Poaceae Phragmites americanus (Saltonstall, P. M. Peterson, & Soreng) A. Haines American reed
Poaceae Phragmites australis (Cav.) Trin. ex Steud. var.. australis common reed
Poaceae Piptatherum canadense (Poir.) Dorn Canadian mountain-rice grass
Poaceae Piptatherum pungens (Torr. ex Spreng.) Dorn short-awned mountain-rice grass
Poaceae Piptatherum racemosum (Sm.) Eat. black-seeded mountain-rice grass
Poaceae Poa alsodes Gray grove blue grass
Poaceae Poa annua L. annual blue grass
Poaceae Poa bulbosa L. ssp. vivipara (Koel.) Arcang. bulbous blue grass
Poaceae Poa compressa L. flat-stemmed blue grass
Poaceae Poa glauca Vahl ssp. glauca glaucous blue grass
Poaceae Poa laxa Haenke ssp. fernaldiana (Nannf.) N. Hylander wavy blue grass
Poaceae Poa nemoralis L. wood blue grass
Poaceae Poa palustris L. fowl meadow grass
Poaceae Poa pratensis L. ssp. angustifolia (L.) Arcang. Kentucky blue grass
Poaceae Poa saltuensis Fern. & Wieg. weak spear grass
Poaceae Poa secunda J. Presl ssp. juncifolia (Scribn.) Soreng curly blue grass
Poaceae Poa trivialis L. ssp. trivialis rough-sheathed blue grass
Poaceae Polypogon monspeliensis (L.) Desf. annual rabbit’s-foot grass
Poaceae Puccinellia distans (Jacq.) Parl. spreading alkali grass
Poaceae Puccinellia fasciculata (Torr.) Bickn. saltmarsh alkali grass
Poaceae Puccinellia maritima (Huds.) Parl. seaside alkali grass
Poaceae Puccinellia pumila (Vasey) A. S. Hitchc. tundra alkali grass
Poaceae Schedonorus arundinacea (Schreb.) Dumort. tall rye grass
Poaceae Schedonorus pratensis (Huds.) Beauv. meadow rye grass
Poaceae Schizachne purpurascens (Torr.) Swallen false melic grass
Poaceae Schizachyrium scoparium (Michx.) Nash var. scoparium little bluestem
Poaceae Secale cereale L. cultivated rye
Poaceae Setaria faberi Herrm. Chinese foxtail
Poaceae Setaria italica (L.) Beauv. millet foxtail
Poaceae Setaria pumila (Poir.) Roemer & J. A. Schultes ssp. pumila yellow foxtail
Poaceae Setaria verticillata (L.) Beauv. hooked foxtail
Poaceae Setaria viridis (L.) Beauv. var. viridis green foxtail
Poaceae Sorghastrum nutans (L.) Nash Indian grass
Poaceae Sphenopholis intermedia (Rydb.) Rydb. slender wedgescale
Poaceae Sphenopholis obtusata (Michx.) Scribn. prairie wedgescale
Poaceae Sporobolus alterniflorus (Loisel.) P. M. Peterson & Saarela smooth cordgrass
Poaceae Sporobolus compositus (Poir.) Mer. rough dropseed
Poaceae Sporobolus contractus A. S. Hitchc. narrow-spiked dropseed
Poaceae Sporobolus cryptandrus (Torr.) Gray sand dropseed
Poaceae Sporobolus michauxianus (Hitchc.) P. M. Peterson & Saarela prairie cordgrass
Poaceae Sporobolus neglectus Nash small dropseed
Poaceae Sporobolus pumilus (Roth) P. M. Peterson & Saarela saltmeadow cordgrass
Poaceae Sporobolus vaginiflorus (Torr. ex Gray) Wood var. vaginiflorus poverty dropseed
Poaceae Thinopyrum pycnanthum (Godr.) Barkworth tick quack grass
Poaceae Torreyochloa pallida (Torr.) Church pale false manna grass
Poaceae Tragus berteronianus J. A. Shultes spike burgrass
Poaceae Tragus racemosus (L.) All. stalked burgrass
Poaceae Triplasis purpurea (Walt.) Chapman var. purpurea purple sandgrass
Poaceae Trisetum spicatum (L.) Richter narrow false oat
Poaceae Triticum aestivum L. bread wheat
Poaceae Vahlodea atropurpurea (Wahlenb.) Fries ex Hartman arctic hair grass
Poaceae Ventenata dubia (Leers) Durieu North African grass
Poaceae Vulpia myuros (L.) K. C. Gmel. rat-tail six-weeks grass
Poaceae Vulpia octoflora (Walt.) Rydb. eight-flowered six-weeks grass
Poaceae Zea mays L. ssp. mays corn
Poaceae Zizania aquatica L. var. aquatica southern wild rice
Poaceae Zizania palustris L. var. palustris northern wild rice
Pontederiaceae Heteranthera dubia (Jacq.) MacM. grass-leaved mud-plantain
Pontederiaceae Pontederia cordata L. pickerelweed
Potamogetonaceae Potamogeton alpinus Balbis reddish pondweed
Potamogetonaceae Potamogeton amplifolius Tuckerman big-leaved pondweed
Potamogetonaceae Potamogeton berchtoldii Fierber Berchtold's pondweed
Potamogetonaceae Potamogeton bicupulatus Fern. snail-seed pondweed
Potamogetonaceae Potamogeton confervoides Reichenb. alga-like pondweed
Potamogetonaceae Potamogeton crispus L. curly pondweed
Potamogetonaceae Potamogeton epihydrus Raf. ribbon-leaved pondweed
Potamogetonaceae Potamogeton foliosus Raf. ssp. foliosus leafy pondweed
Potamogetonaceae Potamogeton friesii Rupr. flat-stalked pondweed
Potamogetonaceae Potamogeton gemmiparus (J. W. Robbins) J. W. Robbins & Morong budding pondweed
Potamogetonaceae Potamogeton gramineus L. grassy pondweed
Potamogetonaceae Potamogeton natans L. floating pondweed
Potamogetonaceae Potamogeton nodosum Poir. long-leaved pondweed
Potamogetonaceae Potamogeton oakesianus J. W. Robbins Oakes’ pondweed
Potamogetonaceae Potamogeton obtusifolius Mert. & Koch blunt-leaved pondweed
Potamogetonaceae Potamogeton perfoliatus L. clasping-leaved pondweed
Potamogetonaceae Potamogeton praelongus Wulfen white-stemmed pondweed
Potamogetonaceae Potamogeton pulcher Tuckerman spotted pondweed
Potamogetonaceae Potamogeton pusillus L. small pondweed
Potamogetonaceae Potamogeton richardsonii (Benn.) Rydb. Richardson’s pondweed
Potamogetonaceae Potamogeton robbinsii Oakes Robbins’ pondweed
Potamogetonaceae Potamogeton spirillus Tuckerman northern snail-seed pondweed
Potamogetonaceae Potamogeton strictifolius Benn. straight-leaved pondweed
Potamogetonaceae Potamogeton vaseyi J. W. Robbins Vasey’s pondweed
Potamogetonaceae Potamogeton zosteriformis Fern. flat-stem pondweed
Potamogetonaceae Stuckenia filiformis (Pers.) Boerner thread-leaved false pondweed
Potamogetonaceae Stuckenia pectinata (L.) Boerner Sago false pondweed
Potamogetonaceae Zanichellia palustris L. horned-pondweed
Ruppiaceae Ruppia maritima L. beaked ditch-grass
Ruscaceae Convallaria majalis L. European lily-of-the-valley
Ruscaceae Maianthemum canadense Desf. Canada-mayflower
Ruscaceae Maianthemum racemosum (L.) Link ssp. racemosum feathery false Solomon’s-seal
Ruscaceae Maianthemum stellatum (L.) Link star-like false Solomon's-seal
Ruscaceae Maianthemum trifolium (L.) Sloboda three-leaved false Solomon's-seal
Ruscaceae Polygonatum biflorum (Walt.) Ell. King Solomon’s-seal
Ruscaceae Polygonatum pubescens (Willd.) Pursh hairy Solomon’s-seal
Scheuchzeriaceae Scheuchzeria palustris L. pod-grass
Smilacaceae Smilax herbacea L. carrion-flower
Smilacaceae Smilax rotundifolia L. common greenbrier
Tofieldiaceae Tofieldia glutinosa (Michx.) Baker sticky false asphodel
Typhaceae Sparganium americanum Nutt. American bur-reed
Typhaceae Sparganium androcladum (Engelm.) Morong branched bur-reed
Typhaceae Sparganium angustifolium Michx. narrow-leaved bur-reed
Typhaceae Sparganium emersum Rehmann ssp. emersum simple-stemmed bur-reed
Typhaceae Sparganium eurycarpum Engelm. ex Gray great bur-reed
Typhaceae Sparganium fluctuans (Morong) B. L. Robins. floating bur-reed
Typhaceae Sparganium natans L. arctic bur-reed
Typhaceae Typha angustifolia L. narrow-leaved cat-tail
Typhaceae Typha latifolia L. broad-leaved cat-tail
Xyridaceae Xyris difformis Chapman var. difformis bog yellow-eyed-grass
Xyridaceae Xyris montana Ries northern yellow-eyed-grass
Xyridaceae Xyris smalliana Nash Small’s yellow-eyed-grass/td>
Zosteraceae Zostera marina L. eelgrass