American barnyard grass, Echinochloa
muricata
American mannagrass, Glyceria grandis
American slough grass, Beckmannia syzigachne
awnless wildrye, Elymus submuticus
barley (foxtail), Hordeum jubatum
barley (Iowa), xElyhordeum iowense
barley (little), Hordeum pusillum
barley (Macoun's), xElyhordeum macounii
barley (mountain), xElyhordeum montanense
barley (squirrel-tail), Hordeum jubatum
barnyard grass (American), Echinochloa
muricata
barnyard grass, Echinochloa
muricata
barnyard grass, Echinochloa walteri
beadgrass, Paspalum
setaceum
beakgrain (obovate), Diarrhena
obovata
bearded shorthusk, Brachyelytrum
erectum
bearded spranglegrass, Leptochloa
fusca subsp. fascicularis
beardgrass, Andropogon gerardii
beardgrass (broom), Schizachyrium scoparium
beardgrass, (prairie), Schizachyrium scoparium
bennels, Phragmites australis
bentgrass (rough), Agrostis scabra
bentgrass (upland), Agrostis
perennans
bentgrass (winter), Agrostis hiemalis
Bermuda grass, Cynodon dactylon
big bluestem, Andropogon gerardii
blackbent, Panicum
virgatum
black-seeded ricegrass, Piptatherum racemosum
blue grama, Bouteloua gracilis
bluegrass (bog), Poa paludigena
bluegrass (Chapmans'), Poa chapmaniana
bluegrass (marsh), Poa paludigena
bluegrass (meadow), Poa wolfii
bluegrass (oldpasture), Poa saltuensis
bluegrass (Plains), Poa arida
bluegrass (sylvan), Poa sylvestris
bluegrass (Wolf's), Poa wolfii
bluegrass (woodland), Poa saltuensis
bluegrass (woodland), Poa sylvestris
bluejoint reedgrass, Calamagrostis canadensis
bluejoint, Andropogon gerardii
bluejoint, Calamagrostis canadensis
bluestem wheatgrass, Pascopyrum smithii
bluestem (big), Andropogon gerardii
bluestem (broomsedge), Andropogon virginicus
bluestem (bushy), Sorghastrum nutans
bluestem (little), Schizachyrium scoparium
bluestem (sand), Andropogon hallii
bog bluegrass, Poa paludigena
bog reed, Phragmites australis
bottlebrush grass, Elymus
hystrix
branched muhly, Muhlenbergia sobolifera
bristlegrass (knotroot), Setaria parviflora
broadleaved panicgrass, Dichanthelium latifolium
brome (Canada), Bromus
pubescens
brome (flanged), Bromus
latiglumis
brome (fringed), Bromus ciliatus
brome (Kalm's), Bromus kalmii
broom, Schizachyrium scoparium
broom beardgrass, Schizachyrium scoparium
broomsedge bluestem, Andropogon virginicus
buffalograss, Buchloë dactyloides
bullgrass, Tripsacum dactyloides
bunchgrass, Schizachyrium scoparium
bunchgrass, Sporobolus
heterolepis
bunchgrass (feather), Nassella viridula
bushy bluestem, Sorghastrum nutans
Canada brome, Bromus
pubescens
Canada lyme grass, Elymus
canadensis
Canada wildrye, Elymus
canadensis
catchfly grass, Leersia lenticularis
Chapmans' bluegrass, Poa chapmaniana
churchmouse threeawn, Aristida dichotoma var. dichotoma
cluster fescue, Festuca paradoxa
coast cockspur grass, Echinochloa walteri
cockspur grass (coast), Echinochloa walteri
common eastern wildrye, Elymus
virginicus
common foxtail, Alopecurus
carolinianus
common reed, Phragmites australis
common rivergrass, Scolochloa festucacea
composite dropseed, Sporobolus compositus
cordgrass (freshwater), Spartina
pectinata
cordgrass (prairie), Spartina pectinata
crabgrass (slender), Digitaria filiformis
creeping lovegrass, Eragrostis reptans
crested hairgrass, Koeleria macrantha
Curtis' threeawn, Aristida dichotoma var. curtissii
cutgrass (rice), Leersia
oryzoides
cutgrass (white), Leersia
virginica
cutgrass, Leersia
oryzoides
deertongue grass, Dichanthelium clandestinum
doghair grass, Aristida
oligantha
downy wildrye, Elymus
villosus
drooping woodreed, Cinna latifolia
dropseed (composite), Sporobolus
compositus
dropseed (hidden), Sporobolus
clandestinus
dropseed (northern), Sporobolus
heterolepis
dropseed (poverty), Sporobolus vaginiflorus
dropseed (prairie), Sporobolus heterolepis
dropseed (puffsheath), Sporobolus neglectus
dropseed (rough), Sporobolus clandestinus
dropseed (rough), Sporobolus compositus
dropseed (sand), Sporobolus cryptandrus
dropseed (tall), Sporobolus
compositus
Dutch reed, Phragmites australis
early mesquite, Buchloë dactyloides
early wildrye, Elymus macgregorii
eastern gamagrass, Tripsacum dactyloides
eastern mannagrass, Glyceria septentrionalis
eastern riverbank wildrye, Elymus
riparius
eastern wildrye (common), Elymus
virginicus
eggleaf rosettegrass, Dichanthelium ovale subsp.
praecocius
eggleaf rosettegrass, Dichanthelium
ovale subsp. pseudopubescens
eyelash grass, Bouteloua gracilis
fall panicum, Panicum dichotomiflorum subsp. dichotomiflorum
fall witchgrass, Digitaria cognata
false melic, Schizachne purpurascens
feather bunchgrass, Nassella viridula
fescue (cluster), Festuca paradoxa
fescue (nodding), Festuca subverticillata
fescue (sixweeks), Vulpia octoflora
few-flowered panicgrass, Dichanthelium
oligosanthes subsp. oligosanthes
fingergrass, Digitaria filiformis
flanged brome, Bromus
latiglumis
floating mannagrass, Glyceria septentrionalis
forest muhly, Muhlenbergia sylvatica
fork-tip threeawn, Aristida
basiramea
fowl mannagrass, Glyceria striata
foxtail (common), Alopecurus
carolinianus
foxtail (meadow), Alopecurus
carolinianus
foxtail (shortawn), Alopecurus aequalis
foxtail (tufted), Alopecurus
carolinianus
foxtail barley, Hordeum jubatum
foxtail, Alopecurus aequalis
freshwater cordgrass, Spartina
pectinata
fringed brome, Bromus ciliatus
gamagrass (eastern), Tripsacum dactyloides
gamagrass, Tripsacum dactyloides
glumeless wildrye, Elymus
hystrix
grama (blue), Bouteloua gracilis
grama (hairy), Bouteloua hirsuta
grama (side-oats), Bouteloua
curtipendula
gramagrass, Bouteloua
curtipendula
Great Plains wildrye, Elymus
canadensis
green muhly, Muhlenbergia
racemosa
green nassella, Nassella viridula
green needlegrass, Nassella viridula
hairgrass, Agrostis scabra
hairgrass (crested), Koeleria macrantha
hairy grama, Bouteloua hirsuta
hairy panicgrass, Dichanthelium acuminatum
hairy woodbrome, Bromus
latiglumis
hidden dropseed, Sporobolus
clandestinus
holygrass, Hierochloë odorata
India lovegrass, Eragrostis pilosa
Indiangrass, Sorghastrum nutans
Iowa barley, xElyhordeum iowense
Junegrass, Koeleria macrantha
Kalm's brome, Bromus kalmii
Kearney threeawn, Aristida longespica var. geniculata
kneegrass, Panicum dichotomiflorum subsp. dichotomiflorum
knotroot bristlegrass, Setaria parviflora
Koeler's grass, Koeleria macrantha
lacegrass, Eragrostis capillaris
lacegrass, Eragrostis
frankii
Leiberg's panicgrass, Dichanthelium leibergii
Lindheimer panicgrass, Dichanthelium acuminatum
subsp. lindheimeri
linear-leaved panicgrass, Dichanthelium linearifolium
little barley, Hordeum pusillum
little bluestem, Schizachyrium scoparium
longspine sandbur, Cenchrus
longispinus
long-stalked panicgrass, Dichanthelium perlongum
lovegrass (creeping), Eragrostis reptans
lovegrass (India), Eragrostis pilosa
lovegrass (purple), Eragrostis
pectinacea
lovegrass (purple), Eragrostis
spectabilis
lovegrass (sand), Eragrostis
trichodes
lovegrass (teel), Eragrostis
hypnoides
lyme grass (Canada), Elymus
canadensis
lyme grass (Virginia), Elymus
virginicus
MacGregor's wildrye, Elymus macgregorii
Macoun's barley, xElyhordeum macounii
mannagrass (American), Glyceria grandis
mannagrass (eastern), Glyceria septentrionalis
mannagrass (floating), Glyceria septentrionalis
mannagrass (fowl), Glyceria striata
mannagrass (small floating), Glyceria borealis
mannagrass, Glyceria borealis
marsh bluegrass, Poa paludigena
marsh muhly, Muhlenbergia glomerata
marsh muhly, Muhlenbergia racemosa
marshgrass, Spartina
pectinata
meadow bluegrass, Poa wolfii
meadow foxtail, Alopecurus
carolinianus
meadow grass (salt), Leptochloa
fusca subsp. fascicularis
melic (false), Schizachne purpurascens
melic (three-flowered), Melica nitens
melic (two-flowered), Melica mutica
mesquite (early), Buchloë dactyloides
mesquite grass, Bouteloua
curtipendula
Mexican muhly, Muhlenbergia mexicana
millet (wood), Milium effusum
millet grass, Milium effusum
mountain barley, xElyhordeum montanense
mountain ricegrass, Piptatherum racemosum
mousseline, Panicum capillare subsp. capillare
muhly (branched), Muhlenbergia sobolifera
muhly (forest), Muhlenbergia sylvatica
muhly (green), Muhlenbergia
racemosa
muhly (marsh), Muhlenbergia glomerata
muhly (marsh), Muhlenbergia racemosa
muhly (Mexican), Muhlenbergia mexicana
muhly (nodding), Muhlenbergia bushii
muhly (Plains), Muhlenbergia cuspidata
muhly (rock), Muhlenbergia sobolifera
muhly (slender), Muhlenbergia tenuiflora
muhly (spiked), Muhlenbergia glomerata
muhly (wirestem), Muhlenbergia frondosa
muhly (wirestem), Muhlenbergia mexicana
muhly (woodland), Muhlenbergia sylvatica
muhly, Muhlenbergia xcurtisetosa
nassella (green), Nassella viridula
needle and thread, Hesperostipa comata
needlegrass (green), Nassella viridula
needlegrass, Aristida
basiramea
needlegrass, Aristida dichotoma var. dichotoma
needlegrass, Aristida dichotoma var. curtissii
needlegrass, Aristida longespica var. geniculata
needlegrass, Aristida longespica var. longespica
needlegrass, Aristida
oligantha
needlegrass, Aristida purpurea var. longiseta
needlegrass, Aristida ramosissima
needlegrass, Aristida tuberculosa
nimblewill, Muhlenbergia schreberi
nodding fescue, Festuca subverticillata
nodding muhly, Muhlenbergia bushii
nodding wildrye, Elymus
canadensis
northern dropseed, Sporobolus
heterolepis
northern panicgrass,
Dichanthelium
boreale
northern reedgrass, Calamagrostis stricta subsp.
inexpansa
northern riverbank wildrye, Elymus
wiegandii
oatgrass (poverty), Danthonia spicata
oatgrass (wild), Sorghastrum nutans
obovate beakgrain, Diarrhena
obovata
oldfield threeawn, Aristida
oligantha
oldpasture bluegrass, Poa saltuensis
old witchgrass, Panicum capillare
subsp. capillare
panicgrass (broadleaved), Dichanthelium latifolium
panicgrass (few-flowered), Dichanthelium
oligosanthes subsp. oligosanthes
panicgrass (hairy), Dichanthelium
acuminatum
panicgrass (Leiberg's), Dichanthelium leibergii
panicgrass (Lindheimer), Dichanthelium acuminatum
subsp. lindheimeri
panicgrass (linear-leaved), Dichanthelium linearifolium
panicgrass (northern), Dichanthelium
boreale
panicgrass (rosette), Dichanthelium acuminatum
subsp. implicatum
panicgrass (rosette), Dichanthelium linearifolium
panicgrass (Scribner's), Dichanthelium oligosanthes
subsp. scribnerianum
panicgrass (slim-leaved), Dichanthelium linearifolium
panicgrass (starved), Dichanthelium depauperatum
panicgrass (stiff-leaved), Dichanthelium
ovale
panicgrass (western), Dichanthelium acuminatum subsp.
implicatum
panicgrass (Wilcox's), Dichanthelium wilcoxianum
panicgrass (long-stalked), Dichanthelium perlongum
panicum (fall), Panicum dichotomiflorum subsp. dichotomiflorum
Philadelphia witchgrass, Panicum philadelphicum
subsp. philadelphicum
piptatherum (sharp), Piptatherum pungens
Plains bluegrass, Poa arida
Plains muhly, Muhlenbergia cuspidata
polereed, Phragmites australis
pony grass, Eragrostis
hypnoides
porcupinegrass, Hesperostipa spartea
poverty dropseed, Sporobolus vaginiflorus
poverty grass, Aristida
oligantha
poverty grass, Danthonia spicata
poverty oatgrass, Danthonia spicata
prairie beardgrass, Schizachyrium scoparium
prairie cordgrass, Spartina pectinata
prairie dropseed, Sporobolus heterolepis
prairiegrass (tall), Panicum
virgatum
prairie sandreed , Calamovilfa longifolia
prairie threeawn, Aristida
oligantha
prairie wedgegrass, Sphenopholis intermedia
prairie wedgegrass, Sphenopholis obtusata
puffsheath dropseed, Sporobolus neglectus
purple lovegrass, Eragrostis
pectinacea
purple lovegrass, Eragrostis
spectabilis
purple sandgrass, Triplasis purpurea
purple threeawn, Aristida purpurea var. longiseta
purpletop tridens, Tridens flavus
purpletop, Tridens flavus
redtop (wild), Panicum
virgatum
reed, Phragmites australis
reedgrass (bluejoint), Calamagrostis canadensis
reedgrass (northern), Calamagrostis stricta subsp.
inexpansa
reedgrass (sand), Calamovilfa longifolia
rice (wild), Zizania
palustris
rice cutgrass, Leersia
oryzoides
ricegrass (black-seeded), Piptatherum racemosum
ricegrass (mountain), Piptatherum racemosum
ricegrass (rough-leaved), Oryzopsis asperifolia
ricegrass (short-horned), Piptatherum pungens
rip gut, Spartina
pectinata
rivergrass (common), Scolochloa festucacea
rock muhly, Muhlenbergia sobolifera
rosettegrass (eggleaf), Dichanthelium ovale subsp.
praecocius
rosettegrass (eggleaf), Dichanthelium ovale subsp.
pseudopubescens
rosettegrass (tapered) Dichanthelium
acuminatum subsp. fasciculatum
rosette panicgrass, Dichanthelium
acuminatum subsp. implicatum
rosette panicgrass, Dichanthelium linearifolium
rough bentgrass, Agrostis scabra
rough dropseed, Sporobolus clandestinus
rough dropseed, Sporobolus compositus
rough-leaved ricegrass, Oryzopsis asperifolia
ryegrass, Elymus
canadensis
salt meadow grass, Leptochloa
fusca subsp. fascicularis
saltgrass, Distichlis spicata
sand bluestem, Andropogon hallii
sand dropseed, Sporobolus
cryptandrus
sand lovegrass, Eragrostis
trichodes
sand reedgrass, Calamovilfa longifolia
sandbur, Cenchrus
longispinus
sandgrass (purple), Triplasis purpurea
sandgrass, Triplasis purpurea
sandreed (prairie), Calamovilfa longifolia
sandbur (longspine), Cenchrus
longispinus
scratchgrass, Muhlenbergia asperifolia
Scribner's panicgrass, Dichanthelium oligosanthes
subsp. scribnerianum
s-curve threeawn, Aristida ramosissima
sea-beach grass, Aristida tuberculosa
seaside threeawn, Aristida tuberculosa
sesame grass, Tripsacum dactyloides
sharp piptatherum, Piptatherum pungens
shortawn foxtail, Alopecurus aequalis
short-horned ricegrass, Piptatherum pungens
shorthusk (bearded), Brachyelytrum
erectum
side-oats grama, Bouteloua
curtipendula
sixweeks fescue, Vulpia octoflora
slender crabgrass, Digitaria filiformis
slender muhly, Muhlenbergia tenuiflora
slender wedgegrass, Sphenopholis intermedia
slender wheatgrass, Elymus
trachycaulus
slender wildrye, Elymus
villosus
slim-leaved panicgrass, Dichanthelium linearifolium
slimspike threeawn, Aristida longespica var. longespica
slough grass, Beckmannia syzigachne
sloughgrass, Spartina pectinata
southeastern wildrye, Elymus glabriflorus
small floating mannagrass, Glyceria borealis
southeastern wildrye, Elymus glabriflorus
speargrass, Hesperostipa
comata
spiked muhly, Muhlenbergia glomerata
spires, Phragmites australis
spranglegrass (bearded), Leptochloa
fusca subsp. fascicularis
squirrel-tail barley, Hordeum jubatum
starved panicgrass, Dichanthelium depauperatum
stiff-leaved panicgrass, Dichanthelium ovale
stout woodreed, Cinna
arundinacea
sweetgrass, Hierochloë odorata
switch grass, Panicum virgatum
sylvan bluegrass, Poa sylvestris
tall dropseed, Sporobolus
compositus
tall prairiegrass, Panicum
virgatum
tapered rosette grass, Dichanthelium acuminatum subsp. fasciculatum
teel lovegrass, Eragrostis
hypnoides
terrell grass, Elymus
virginicus
thatchgrass, Panicum
virgatum
three-awned grass, Aristida
basiramea
three-flowered melic, Melica nitens
ticklegrass, Agrostis hiemalis
ticklegrass, Agrostis scabra
ticklegrass, Aristida
oligantha
ticklegrass, Panicum capillare subsp. capillare
tridens (purpletop), Tridens flavus
tufted foxtail, Alopecurus
carolinianus
tumblegrass, Panicum capillare subsp. capillare
tumblegrass, Schedonnardus paniculatus
turkey foot, Andropogon gerardii
two-flowered melic, Melica mutica
unequal-glumed wildrye, Elymus diversiglumis
upland bentgrass, Agrostis
perennans
vanillagrass, Hierochloë odorata
Virginia lyme grass, Elymus
virginicus
Virginia wildrye, Elymus
virginicus
wedgegrass (prairie), Sphenopholis obtusata
wedgegrass (slender), Sphenopholis intermedia
western panicgrass, Dichanthelium acuminatum subsp.
implicatum
western wheatgrass, Pascopyrum smithii
wheatgrass (bluestem), Pascopyrum smithii
wheatgrass (slender), Elymus
trachycaulus
wheatgrass (western), Pascopyrum smithii
white cutgrass, Leersia
virginica
whitegrass, Aristida
oligantha
whitegrass, Leersia
virginica
whitetop, Scolochloa festucacea
Wiegand's wildrye, Elymus
wiegandii
Wilcox's panicgrass, Dichanthelium wilcoxianum
wild broomcorn, Phragmites australis
wild oatgrass, Sorghastrum nutans
wild redtop, Panicum
virgatum
wildrice, Zizania
palustris
wildrye (awnless), Elymus
submuticus
wildrye (Canada), Elymus
canadensis
wildrye (common eastern), Elymus
virginicus
wildrye (downy), Elymus
villosus
wildrye (early), Elymus macgregorii
wildrye (eastern riverbank), Elymus
riparius
wildrye (glumeless), Elymus
hystrix
wildrye (Great Plains), Elymus
canadensis
wildrye (MacGregor's), Elymus macgregorii
wildrye (nodding), Elymus
canadensis
wildrye (northern riverbank), Elymus
wiegandii
wildrye (slender), Elymus
villosus
wildrye (southeastern), Elymus glabriflorus
wildrye (unequal-glumed), Elymus diversiglumis
wildrye (Virginia), Elymus
virginicus
wildrye (Wiegand's), Elymus
wiegandii
winter bentgrass, Agrostis hiemalis
wiregrass, Aristida
basiramea
wiregrass, Aristida dichotoma var. dichotoma
wiregrass, Aristida dichotoma var. curtissii
wiregrass, Aristida longespica var. longespica
wiregrass, Aristida
oligantha
wiregrass, Aristida purpurea var. longiseta
wiregrass, Aristida ramosissima
wiregrass, Aristida tuberculosa
wiregrass, Aristida longespica var. geniculata
wiregrass, Schizachyrium scoparium
wirestem muhly, Muhlenbergia frondosa
wirestem muhly, Muhlenbergia mexicana
witchgrass (fall), Digitaria cognata
witchgrass (Philadelphia), Panicum philadelphicum
subsp. philadelphicum
witchgrass, Panicum capillare subsp. capillare
witchgrass, Panicum philadelphicum subsp. gattingeri
Wolf's bluegrass, Poa wolfii
Wobsqua grass, Panicum
virgatum
wood millet, Milium effusum
woodbrome (hairy), Bromus
latiglumis
woodgrass, Sorghastrum nutans
woodland bluegrass, Poa saltuensis
woodland bluegrass, Poa sylvestris
woodland muhly, Muhlenbergia sylvatica
woodreed (drooping), Cinna latifolia
woodreed (stout), Cinna
arundinacea
woodreed, Cinna
arundinacea
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