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Checklist: Maine Monocots
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Identification Key (new version): Maine Monocots
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Achnatherum
Acoraceae
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Plant
habit
trees
vines / lianas
herbaceous
grass-like
cactus-like / succulents
aquatic & OBL wetland species
special groups
arums
orchids
monocots
longevity
annual or biennial
perennial
armature
unarmed
armed
Leaves
arrangement/phyllotaxy
basal
alternate
opposite
whorled
Flower
principal flower color
white or cream
purple
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inconspicuous
flower type
bilateral/irregular symmetry
radial symmetry 3 petals
radial symmetry 4 petals
radial sym. 6 or more petals
petals indistinguishable
ovaries/pistils per flower
1
more than 5
Fruit or Cone
fruit consistency at maturity
dry/leathery
fleshy
mature fruit dehiscence
opening along 1-2 seams
opening along 3 to many seams
does not split open to release seed
Maine Monocots
Generated from occurrence records (2022-09-10)
Species Count: 1182
Acoraceae
Acorus americanus
Acorus calamus
Alismataceae
Alisma plantago
Alisma plantago-aquatica
Alisma subcordatum
Alisma triviale
Sagittaria australis
Sagittaria cuneata
Sagittaria engelmanniana
Sagittaria filiformis
Sagittaria graminea
Sagittaria heterophylla
Sagittaria latifolia
Sagittaria montevidensis
Sagittaria rigida
Sagittaria spathulata
Sagittaria stagnorum
Sagittaria variabilis
Amaryllidaceae
Allium burdickii
Allium canadense
Allium cepa
Allium schoenoprasum
Allium sibiricum
Allium tricoccum
Allium vineale
Galanthus nivalis
Leucojum aestivum
Narcissus poeticus
Validallium tricoccum
Araceae
Arisaema atrorubens
Arisaema pusillum
Arisaema stewardsonii
Arisaema triphyllum
Bruniera columbiana
Calla palustris
Lemna minor
Lemna perpusilla
Lemna trisulca
Lemna valdiviana
Peltandra tharpii
Peltandra virginica
Spathyema foetida
Spirodela polyrhiza
Spirodela polyrrhiza
Symplocarpus foetidus
Wolffia columbiana
Zantedeschia aethiopica
Arecaceae
Washingtonia claytonii
Asparagaceae
Asparagus officinalis
Convallaria biflora
Convallaria majalis
Convallaria pubescens
Convallaria trifolia
Dracaena borealis
Maianthemum canadense
Maianthemum racemosum
Maianthemum stellatum
Maianthemum trifolium
Ornithogalum umbellatum
Polygonatum biflorum
Polygonatum pubescens
Scilla siberica
Smilacina trifolia
Unifolium canadense
Vagnera trifolia
Asphodelaceae
Hemerocallis flava
Hemerocallis fulva
Hemerocallis lilioasphodelus
Bromeliaceae
Tillandsia usneoides
Butomaceae
Butomus umbellatus
Colchicaceae
Uvularia perfoliata
Uvularia sessilifolia
Commelinaceae
Commelina communis
Commelina debilis
Commelina willdenowii
Tradescantia brevicaulis
Tradescantia congesta
Tradescantia ohiensis
Tradescantia rupestris
Tradescantia speciosa
Tradescantia virginiana
Cyperaceae
Baeothryon alpinum
Baeothryon clintonii
Baeothryon verecundum
Bolboschoenus fluviatilis
Bolboschoenus maritimus
Bolboschoenus novae-angliae
Bolboschoenus robustus
Bulbostylis capillaris
Carex abdita
Carex ablata
Carex absconditiformis
Carex acuta
Carex adusta
Carex aggregata
Carex alata
Carex albicans
Carex albolutescens
Carex alopecoidea
Carex anceps
Carex angarae
Carex angustata
Carex angustior
Carex annectens
Carex aperta
Carex appalachica
Carex aquatilis
Carex arcta
Carex arctata
Carex argyrantha
Carex artitecta
Carex athabascensis
Carex atherodes
Carex atlantica
Carex atrata
Carex atratiformis
Carex aurea
Carex backii
Carex baileyi
Carex barbarae
Carex bebbii
Carex bicknellii
Carex bicolor
Carex bigelowii
Carex billingsii
Carex blanda
Carex brachyglossa
Carex brevior
Carex bromoides
Carex brunnescens
Carex bullata
Carex bushii
Carex buxbaumii
Carex canariensis
Carex canescens
Carex capillaris
Carex capitata
Carex caryophyllea
Carex castanea
Carex cephalantha
Carex cephaloidea
Carex cephalophora
Carex cespitosa
Carex chordorrhiza
Carex communis
Carex comosa
Carex complanata
Carex conoidea
Carex consimilis
Carex contigua
Carex convoluta
Carex costata
Carex crawei
Carex crawfordii
Carex crinita
Carex cryptolepis
Carex cumberlandensis
Carex cumulata
Carex debilis
Carex deflexa
Carex delicatula
Carex demissa
Carex deweyana
Carex diandra
Carex digitalis
Carex disperma
Carex durifolia
Carex eburnea
Carex echinata
Carex echinodes
Carex elachycarpa
Carex emmonsii
Carex exilis
Carex festiva
Carex festucacea
Carex filiformis
Carex flaccidula
Carex flava
Carex flexuosa
Carex foenea
Carex folliculata
Carex frankii
Carex garberi
Carex goodenowii
Carex gracillima
Carex grahamii
Carex granularis
Carex grisea
Carex gynandra
Carex gynocrates
Carex haleana
Carex halophila
Carex hawaiiensis
Carex haydeniana
Carex haydenii
Carex hirsutella
Carex hirta
Carex hirtifolia
Carex hormathodes
Carex houghtoniana
Carex houghtonii
Carex howei
Carex hystericina
Carex incomperta
Carex incondita
Carex interior
Carex intumescens
Carex joorii
Carex josselynii
Carex knieskernii
Carex lacustris
Carex laevigata
Carex laevivaginata
Carex lapponica
Carex laricina
Carex lasiocarpa
Carex laxiculmis
Carex laxiflora
Carex laxior
Carex leersii
Carex lenticularis
Carex lepidocarpa
Carex leporina
Carex leptalea
Carex leptonervia
Carex limosa
Carex livida
Carex longii
Carex longirostrata
Carex lucorum
Carex lupuliformis
Carex lupulina
Carex lurida
Carex mackenziei
Carex macloviana
Carex macrocephala
Carex macrochaeta
Carex magellanica
Carex mainensis
Carex marginata
Carex maritima
Carex media
Carex merritt-fernaldii
Carex mesochorea
Carex michauxiana
Carex michiganensis
Carex microglochin
Carex mirabilis
Carex mohriana
Carex molesta
Carex monile
Carex montana
Carex muehlenbergii
Carex muricata
Carex nigra
Carex nigromarginata
Carex normalis
Carex norvegica
Carex novae-angliae
Carex oederi
Carex oklahomensis
Carex oligocarpa
Carex oligosperma
Carex ormantha
Carex ormostachya
Carex oronensis
Carex ovalis
Carex paleacea
Carex pallescens
Carex panicea
Carex parallela
Carex pauciflora
Carex paupercula
Carex peckii
Carex pedunculata
Carex pellita
Carex pensylvanica
Carex pilulifera
Carex plana
Carex plantaginea
Carex platyphylla
Carex polymorpha
Carex praegracilis
Carex prairea
Carex prasina
Carex praticola
Carex projecta
Carex pseudocyperus
Carex radiata
Carex raeana
Carex rariflora
Carex recta
Carex rectior
Carex retroflexa
Carex retrorsa
Carex riparia
Carex rosea
Carex rostrata
Carex rotundata
Carex rousseaui
Carex rugosperma
Carex salina
Carex saltuensis
Carex sartwellii
Carex saxatilis
Carex scabrata
Carex schweinitzii
Carex scirpiformis
Carex scirpoidea
Carex scoparia
Carex seorsa
Carex serotina
Carex shriveri
Carex siccata
Carex silicea
Carex soperi
Carex sparganioides
Carex speciosa
Carex spicata
Carex sprengelii
Carex squarrosa
Carex stellata
Carex stellulata
Carex sterilis
Carex stipata
Carex stolonifera
Carex straminea
Carex stricta
Carex strictior
Carex stylosa
Carex svensonis
Carex swanii
Carex sychnocephala
Carex sylvicola
Carex tenella
Carex tenera
Carex tenuiflora
Carex teretiuscula
Carex tetanica
Carex tincta
Carex tonsa
Carex torta
Carex tracyi
Carex tribuloides
Carex triceps
Carex trichina
Carex trichocarpa
Carex trisperma
Carex tuckermanii
Carex typhina
Carex umbellata
Carex utriculata
Carex vacillans
Carex vaginata
Carex varia
Carex vesicaria
Carex vestita
Carex virescens
Carex viridula
Carex vulgaris
Carex vulpinoidea
Carex walteriana
Carex waponahkikensis
Carex wiegandii
Carex willdenowii
Carex x hartii
Carex x knieskernii
Carex x limula
Carex xanthocarpa
Cladium mariscoides
Cyperus bipartitus
Cyperus bushii
Cyperus dentatus
Cyperus diandrus
Cyperus echinatus
Cyperus erythrorhizos
Cyperus esculentus
Cyperus filicinus
Cyperus filiculmis
Cyperus houghtonii
Cyperus lupulinus
Cyperus nuttallii
Cyperus polystachyos
Cyperus squarrosus
Cyperus strigosus
Cyperus subsquarrosus
Dulichium arundinaceum
Dulichium spathaceum
Eleocharis acicularis
Eleocharis aestuum
Eleocharis bernardina
Eleocharis capitata
Eleocharis chamaegyne
Eleocharis coloradoensis
Eleocharis diandra
Eleocharis elliptica
Eleocharis engelmannii
Eleocharis erythropoda
Eleocharis halophila
Eleocharis intermedia
Eleocharis nitida
Eleocharis obtusa
Eleocharis olivacea
Eleocharis ovata
Eleocharis palustris
Eleocharis parvula
Eleocharis quinqueflora
Eleocharis reverchonii
Eleocharis robbinsii
Eleocharis rostellata
Eleocharis simplex
Eleocharis tenuis
Eleocharis tuberculosa
Eleocharis uniglumis
Eriophorum alpinum
Eriophorum angustifolium
Eriophorum brachyantherum
Eriophorum callitrix
Eriophorum fellowsii
Eriophorum gracile
Eriophorum spissum
Eriophorum tenellum
Eriophorum vaginatum
Eriophorum virginicum
Eriophorum viridicarinatum
Eriophorum × fellowsii
Fimbristylis annua
Fimbristylis autumnalis
Kobresia elachycarpa
Leucocoma alpina
Mariscus mariscoides
Rhynchospora alba
Rhynchospora capillacea
Rhynchospora capitata
Rhynchospora capitellata
Rhynchospora cephalantha
Rhynchospora fascicularis
Rhynchospora fusca
Rhynchospora glomerata
Rhynchospora luquillensis
Rhynchospora macrostachya
Rhynchospora smallii
Rhynchospora torreyana
Schoenoplectiella purshiana
Schoenoplectiella smithii
Schoenoplectus acutus
Schoenoplectus americanus
Schoenoplectus pungens
Schoenoplectus subterminalis
Schoenoplectus tabernaemontani
Schoenoplectus torreyi
Scirpus atrocinctus
Scirpus atrovirens
Scirpus cylindricus
Scirpus cyperinus
Scirpus debilis
Scirpus eriophorum
Scirpus expansus
Scirpus georgianus
Scirpus hattorianus
Scirpus hudsonianus
Scirpus lineatus
Scirpus longii
Scirpus microcarpus
Scirpus pallidus
Scirpus peckii
Scirpus pedicellatus
Scirpus pendulus
Scirpus polyphyllus
Scirpus quadrangulatus
Scirpus rubricosus
Scirpus steinmetzii
Scirpus sylvaticus
Scirpus tuberculosa
Scirpus uniglumis
Scleria lithosperma
Trichophorum alpinum
Trichophorum austriacum
Trichophorum cespitosum
Trichophorum clintonii
Trichophorum planifolium
Trichophyllum tenue
Dioscoreaceae
Dioscorea villosa
Eriocaulaceae
Eriocaulon aquaticum
Eriocaulon parkeri
Eriocaulon pellucidum
Eriocaulon rollandii
Eriocaulon septangulare
Hydrocharitaceae
Elodea canadensis
Elodea fraseri
Elodea nuttallii
Hydrilla verticillata
Najas flexilis
Najas gracillima
Najas guadalupensis
Vallisneria americana
Hypoxidaceae
Hypoxis hirsuta
Iridaceae
Gladiolus hortulanus
Iris carolina
Iris germanica
Iris hookeri
Iris prismatica
Iris pseudacorus
Iris pumila
Iris setosa
Iris sibirica
Iris versicolor
Iris virginica
Sisyrinchium albidum
Sisyrinchium angustifolium
Sisyrinchium asheianum
Sisyrinchium atlanticum
Sisyrinchium campestre
Sisyrinchium hastile
Sisyrinchium intermedium
Sisyrinchium montanum
Sisyrinchium mucronatum
Sisyrinchium scabrellum
Juncaceae
Juncoides nemorosum
Juncoides saltuense
Juncus acuminatus
Juncus alpinoarticulatus
Juncus ambiguus
Juncus anthelatus
Juncus arcticus
Juncus aristulatus
Juncus articulatus
Juncus balticus
Juncus brachycephalus
Juncus brachyphyllus
Juncus brevicaudatus
Juncus bufonius
Juncus bulbosus
Juncus canadensis
Juncus compressus
Juncus conglomeratus
Juncus dichotomus
Juncus dudleyi
Juncus effusus
Juncus filiformis
Juncus gerardii
Juncus greenei
Juncus lesueurii
Juncus marginatus
Juncus militaris
Juncus nodosus
Juncus oronensis
Juncus pelocarpus
Juncus pylaei
Juncus richardsonianus
Juncus secundus
Juncus stygius
Juncus subcaudatus
Juncus subtilis
Juncus tenuis
Juncus torreyi
Juncus trifidus
Juncus vaseyi
Juncus x oronensis
Luzula acuminata
Luzula arcuata
Luzula bulbosa
Luzula campestris
Luzula confusa
Luzula congesta
Luzula luzuloides
Luzula multiflora
Luzula pallescens
Luzula pallidula
Luzula parviflora
Luzula pilosa
Luzula saltuensis
Luzula spicata
Luzula vernalis
Juncaginaceae
Triglochin gaspense
Triglochin gaspensis
Triglochin maritima
Triglochin palustris
Liliaceae
Clintonia borealis
Erythronium americanum
Lilium canadense
Lilium lancifolium
Lilium philadelphicum
Lilium tigrinum
Medeola virginiana
Oakesiella sessilifolia
Streptopus amplexifolius
Streptopus lanceolatus
Streptopus roseus
Streptopus x oreopolus
Melanthiaceae
Trillium cernuum
Trillium erectum
Trillium grandiflorum
Trillium undulatum
Veratrum eschscholtzianum
Veratrum eschscholtzii
Veratrum viride
Nartheciaceae
Aletris farinosa
Narthecium glutinosum
Orchidaceae
Amerorchis rotundifolia
Aplectrum hyemale
Arethusa bulbosa
Blephariglotis blephariglottis
Blephariglotis grandiflora
Blephariglotis lacera
Blephariglotis leucophaea
Blephariglotis psycodes
Calopogon tuberosus
Calypso bulbosa
Coeloglossum viride
Corallorhiza maculata
Corallorhiza micrantha
Corallorhiza odontorhiza
Corallorhiza trifida
Criosanthes arietina
Cypripedium acaule
Cypripedium arietinum
Cypripedium parviflorum
Cypripedium reginae
Dactylorhiza viridis
Epidendrum poeppigii
Epipactis helleborine
Fissipes acaulis
Galearis rotundifolia
Galearis spectabilis
Galeorchis spectabilis
Goodyera oblongifolia
Goodyera pubescens
Goodyera repens
Goodyera reticulata
Goodyera tesselata
Gymnadeniopsis clavellata
Habenaria fimbriata
Habenaria media
Ibidium beckii
Ibidium cernuum
Ibidium gracile
Ibidium plantagineum
Isotria medeoloides
Isotria verticillata
Limnorchis dilatata
Limnorchis media
Limodorum tuberosum
Liparis liliifolia
Liparis loeselii
Listera auriculata
Listera convallarioides
Listera cordata
Lysias hookeriana
Lysias orbiculata
Lysiella obtusata
Malaxis brachypoda
Malaxis monophyllos
Malaxis unifolia
Ophrys auriculata
Ophrys cordata
Orchis rotundifolia
Peramium pubescens
Peramium tesselatum
Piperia dilatata
Platanthera aquilonis
Platanthera blephariglottis
Platanthera ciliaris
Platanthera clavellata
Platanthera dilatata
Platanthera elegans
Platanthera flava
Platanthera grandiflora
Platanthera hookeri
Platanthera huronensis
Platanthera hyperborea
Platanthera lacera
Platanthera leucophaea
Platanthera macrophylla
Platanthera obtusata
Platanthera orbiculata
Platanthera psycodes
Platanthera stricta
Platanthera x andrewsii
Pogonia ophioglossoides
Sarcoglottis cerina
Spiranthes beckii
Spiranthes casei
Spiranthes cernua
Spiranthes lacera
Spiranthes lucida
Spiranthes ochroleuca
Spiranthes praecox
Spiranthes romanzoffiana
Spiranthes tuberosa
Triphora trianthophora
Poaceae
Achnatherum richardsonii
Agrostis altissima
Agrostis bakeri
Agrostis borealis
Agrostis canina
Agrostis capillaris
Agrostis elata
Agrostis elliottiana
Agrostis frondosa
Agrostis gigantea
Agrostis hyemalis
Agrostis macrothyrsa
Agrostis mertensii
Agrostis oreophila
Agrostis perennans
Agrostis scabra
Agrostis schweinitzii
Agrostis spica-venti
Agrostis stolonifera
Agrostis vinealis
Aira caerulea
Aira canescens
Aira caryophyllea
Aira flexuosa
Alopecurus aequalis
Alopecurus aristatus
Alopecurus geniculatus
Alopecurus myosuroides
Alopecurus pratensis
Ammophila arenaria
Ammophila breviligulata
Ammophila champlainensis
Andropogon gerardi
Anthoxanthum aristatum
Anthoxanthum hirtum
Anthoxanthum monticola
Anthoxanthum nitens
Anthoxanthum odoratum
Anthoxanthum puelii
Apera interrupta
Apera spica-venti
Aristida basiramea
Aristida dichotoma
Aristida oligantha
Aristida tuberculosa
Arrhenatherum elatius
Avena fatua
Avena sativa
Avenella flexuosa
Beckmannia syzigachne
Bouteloua curtipendula
Bouteloua gracilis
Bouteloua hirsuta
Bouteloua radicosa
Bouteloua repens
Bouteloua simplex
Brachyelytrum aristosum
Brachyelytrum erectum
Brachyelytrum septentrionale
Briza media
Bromopsis erecta
Bromopsis ramosa
Bromus arvensis
Bromus asper
Bromus ciliatus
Bromus commutatus
Bromus erectus
Bromus hordeaceus
Bromus inermis
Bromus japonicus
Bromus kalmii
Bromus latiglumis
Bromus marginatus
Bromus pubescens
Bromus racemosus
Bromus ramosus
Bromus secalinus
Bromus sibiricus
Bromus tectorum
Bromus thominei
Calamagrostis canadensis
Calamagrostis cinnoides
Calamagrostis coarctata
Calamagrostis pickeringii
Calamagrostis porteri
Calamagrostis stricta
Cenchrus longispinus
Cenchrus spinifex
Cenchrus tribuloides
Chloris cucullata
Chloris gayana
Chloris virgata
Cinna arundinacea
Cinna latifolia
Coleataenia rigidula
Cornucopiae perennans
Corynephorus canescens
Cynosurus cristatus
Dactylis glomerata
Dactyloctenium aegyptium
Danthonia allenii
Danthonia compressa
Danthonia sericea
Danthonia spicata
Deschampsia cespitosa
Deschampsia danthonioides
Deschampsia elongata
Deschampsia flexuosa
Deschampsia mackenzieana
Deschampsia sukatschewii
Dichanthelium acuminatum
Dichanthelium annulum
Dichanthelium boreale
Dichanthelium caerulescens
Dichanthelium clandestinum
Dichanthelium commonsianum
Dichanthelium commutatum
Dichanthelium depauperatum
Dichanthelium dichotomum
Dichanthelium joorii
Dichanthelium latifolium
Dichanthelium laxiflorum
Dichanthelium linearifolium
Dichanthelium lucidum
Dichanthelium nudicaule
Dichanthelium oligosanthes
Dichanthelium ovale
Dichanthelium portoricense
Dichanthelium sabulorum
Dichanthelium scabriusculum
Dichanthelium scribnerianum
Dichanthelium sphaerocarpon
Dichanthelium villosissimum
Dichanthelium xanthophysum
Dichanthelium yadkinense
Digitaria ischaemum
Digitaria pauciflora
Digitaria sanguinalis
Diplachne fusca
Distichlis spicata
Echinochloa crus-galli
Echinochloa frumentacea
Echinochloa muricata
Eleusine indica
Elymus aristatus
Elymus canadensis
Elymus caninus
Elymus capitatus
Elymus halophilus
Elymus hystrix
Elymus macgregorii
Elymus pungens
Elymus pycnanthus
Elymus repens
Elymus riparius
Elymus subsecundus
Elymus trachycaulus
Elymus virginicus
Elymus wiegandii
Eragrostis capillaris
Eragrostis cilianensis
Eragrostis frankii
Eragrostis hypnoides
Eragrostis intermedia
Eragrostis mexicana
Eragrostis minor
Eragrostis pectinacea
Eragrostis pilosa
Eragrostis spectabilis
Eragrostis von
Festuca brachyphylla
Festuca diffusa
Festuca fallax
Festuca filiformis
Festuca heteromalla
Festuca multiflora
Festuca nigrescens
Festuca obtusa
Festuca ovina
Festuca prolifera
Festuca richardsonii
Festuca rubra
Festuca subverticillata
Festuca trachyphylla
Festuca valesiaca
Gastridium phleoides
Glyceria acutiflora
Glyceria aquatica
Glyceria borealis
Glyceria canadensis
Glyceria fernaldii
Glyceria fluitans
Glyceria grandis
Glyceria laxa
Glyceria maritima
Glyceria maxima
Glyceria melicaria
Glyceria obtusa
Glyceria pallida
Glyceria septentrionalis
Glyceria striata
Graphephorum melicoides
Hierochloe orthantha
Holcus lanatus
Holcus striatus
Hordeum brachyantherum
Hordeum euclaston
Hordeum flexuosum
Hordeum jubatum
Hordeum murinum
Hordeum parodii
Hordeum pusillum
Hordeum secalinum
Hordeum vulgare
Koeleria macrantha
Koeleria pyramidata
Leersia oryzoides
Leersia virginica
Lerchenfeldia flexuosa
Leymus arenarius
Leymus mollis
Lolium arundinaceum
Lolium perenne
Lolium pratense
Lolium temulentum
Lycurus setosus
Milium effusum
Miscanthus sacchariflorus
Molinia caerulea
Muhlenbergia commutata
Muhlenbergia cuspidata
Muhlenbergia frondosa
Muhlenbergia glomerata
Muhlenbergia mexicana
Muhlenbergia racemosa
Muhlenbergia ramulosa
Muhlenbergia richardsonis
Muhlenbergia schreberi
Muhlenbergia sobolifera
Muhlenbergia sylvatica
Muhlenbergia uniflora
Oryzopsis asperifolia
Oryzopsis canadensis
Oryzopsis juncea
Oryzopsis racemosa
Panicularia acutiflora
Panicularia canadensis
Panicularia laxa
Panicularia melicaria
Panicularia obtusa
Panicularia pallida
Panicularia septentrionalis
Panicum amarum
Panicum annulum
Panicum ashei
Panicum barbulatum
Panicum bicknellii
Panicum boreale
Panicum bushii
Panicum caerulescens
Panicum calliphyllum
Panicum capillare
Panicum clandestinum
Panicum clutei
Panicum commutatum
Panicum condensum
Panicum depauperatum
Panicum dichotomiflorum
Panicum dichotomum
Panicum eatonii
Panicum equilaterale
Panicum euchlamydeum
Panicum gattingeri
Panicum joorii
Panicum lancearium
Panicum latifolium
Panicum lindheimeri
Panicum lithophilum
Panicum lucidum
Panicum mattamuskeetense
Panicum meridionale
Panicum microcarpon
Panicum miliaceum
Panicum mutabile
Panicum nashianum
Panicum nitidum
Panicum nudicaule
Panicum octonodum
Panicum onslowense
Panicum patentifolium
Panicum patulum
Panicum paucipilum
Panicum philadelphicum
Panicum pseudopubescens
Panicum roanokense
Panicum sphaerocarpon
Panicum sphagnicola
Panicum spretum
Panicum stipitatum
Panicum tsugetorum
Panicum tuckermanii
Panicum villosissimum
Panicum virgatum
Panicum webberianum
Panicum xalapense
Panicum xanthophysum
Panicum yadkinense
Pappophorum subbulbosum
Pappophorum vaginatum
Patis racemosa
Pennisetum glaucum
Phalaris arundinacea
Phalaris canariensis
Phippsia langeana
Phippsia laurentiana
Phleum alpinum
Phleum pratense
Phragmites australis
Piptatheropsis canadensis
Piptatheropsis pungens
Poa alpigena
Poa alsodes
Poa annua
Poa balfourii
Poa compressa
Poa debilis
Poa fernaldiana
Poa glauca
Poa glaucantha
Poa languida
Poa laxa
Poa macrocalyx
Poa nascopieana
Poa nemoralis
Poa palustris
Poa pratensis
Poa saltuensis
Poa scopulorum
Poa secunda
Poa trivialis
Polypogon monspeliensis
Psammopyrum athericum
Psammopyrum pungens
Puccinellia americana
Puccinellia angustata
Puccinellia distans
Puccinellia fasciculata
Puccinellia fernaldii
Puccinellia langeana
Puccinellia laurentiana
Puccinellia longiglumis
Puccinellia maritima
Puccinellia nuttalliana
Puccinellia pallida
Puccinellia paupercula
Puccinellia pumila
Puccinellia tenella
Sacciolepis striata
Schedonorus arundinaceus
Schedonorus pratensis
Schizachne purpurascens
Schizachyrium scoparium
Secale cereale
Setaria faberi
Setaria italica
Setaria parviflora
Setaria pumila
Setaria verticillata
Setaria viridis
Sorghastrum nutans
Sorghum bicolor
Sorghum halepense
Spartina alterniflora
Spartina cynosuroides
Spartina maritima
Spartina patens
Spartina pectinata
Sphenopholis intermedia
Sphenopholis obtusata
Sphenopholis pensylvanica
Sporobolus compositus
Sporobolus contractus
Sporobolus cryptandrus
Sporobolus nealleyi
Sporobolus neglectus
Sporobolus uniflorus
Sporobolus vaginiflorus
Stipa canadensis
Thinopyrum pungens
Thinopyrum pycnanthum
Torreyochloa fernaldii
Torreyochloa pallida
Tragus berteronianus
Tragus racemosus
Tridens flavus
Triodia flava
Triplasis purpurea
Trisetum melicoides
Trisetum spicatum
Triticum aestivum
Vahlodea atropurpurea
Ventenata dubia
Vulpia bromoides
Vulpia myuros
Vulpia octoflora
x Elyleymus aristatus
Zea mays
Zizania aquatica
Zizania palustris
Pontederiaceae
Heteranthera dubia
Heteranthera reniformis
Pontederia cordata
Potamogetonaceae
Coleogeton filiformis
Potamogeton alpinus
Potamogeton amplexicaulis
Potamogeton amplifolius
Potamogeton berchtoldii
Potamogeton bicupulatus
Potamogeton bupleuroides
Potamogeton confervoides
Potamogeton crispus
Potamogeton dimorphus
Potamogeton diversifolius
Potamogeton epihydrus
Potamogeton filiformis
Potamogeton foliosus
Potamogeton friesii
Potamogeton gemmiparus
Potamogeton gramineus
Potamogeton illinoensis
Potamogeton interior
Potamogeton longiligulatus
Potamogeton lucens
Potamogeton mysticus
Potamogeton natans
Potamogeton nodosus
Potamogeton nuttallii
Potamogeton oakesianus
Potamogeton obtusifolius
Potamogeton perfoliatus
Potamogeton praelongus
Potamogeton pulcher
Potamogeton pusillus
Potamogeton richardsonii
Potamogeton robbinsii
Potamogeton spirillus
Potamogeton strictifolius
Potamogeton tenuifolius
Potamogeton vaginatus
Potamogeton vaseyi
Potamogeton x argutulus
Potamogeton x mysticus
Potamogeton x nitens
Potamogeton x subnitens
Potamogeton zosterifolius
Potamogeton zosteriformis
Potamogeton × spathuliformis
Stuckenia fennica
Stuckenia filiformis
Stuckenia pectinata
Stuckenia vaginata
Zannichellia palustris
Ruppiaceae
Ruppia maritima
Scheuchzeriaceae
Scheuchzeria americana
Scheuchzeria palustris
Smilacaceae
Nemexia herbacea
Smilax herbacea
Smilax rotundifolia
Smilax schomburgkiana
Tofieldiaceae
Triantha glutinosa
Typhaceae
Sparganium americanum
Sparganium androcladum
Sparganium angustifolium
Sparganium diversifolium
Sparganium emersum
Sparganium erectum
Sparganium eurycarpum
Sparganium fluctuans
Sparganium glomeratum
Sparganium lucidum
Sparganium natans
Typha angustifolia
Typha latifolia
Typha × glauca
Xyridaceae
Xyris caroliniana
Xyris congdonii
Xyris difformis
Xyris montana
Xyris smalliana
Xyris torta
Zosteraceae
Zostera marina