Checklist » Poaceae
Poaceae[HC2](Grass Family)
Synonyms:
Gramineae[HC] 

References:

» HC = Hitchcock, C.L., A. Cronquist. 1973. Flora of the Pacific Northwest: An Illustrated Manual. University of Washington Press.

Family information last updated 8/3/2009 by David Giblin.

Taxon (native taxa in boldface)
Common Names
# Synonyms
Achnatherum hendersonii (Vasey) Barkworth[FNA24, HC2]
Henderson's needlegrass
3 synonyms
Achnatherum hymenoides (Roem. & Schult.) Barkworth[FNA24, HC2]
Indian ricegrass
3 synonyms
Achnatherum lemmonii (Vasey) Barkworth[HC2]
Lemmon's needlegrass
3 synonyms
ssp. lemmonii[FNA24, HC2]
 
3 synonyms
Achnatherum nelsonii (Scribn.) Barkworth[HC2]
Nelson's needlegrass
1 synonym
ssp. dorei (Barkworth & J. Maze) Barkworth[FNA24, HC2]
Nelson's needlegrass
4 synonyms
ssp. nelsonii[HC2]
Nelson's needlegrass
1 synonym
Achnatherum occidentale (Thurb. ex S. Watson) Barkworth[HC2]
western needlegrass
2 synonyms
ssp. californicum (Merr. & Burtt Davy) Barkworth[FNA24, HC2]
California needlegrass
4 synonyms
ssp. pubescens (Vasey) Barkworth[FNA24, HC2]
western needlegrass
2 synonyms
Achnatherum richardsonii (Link) Barkworth[FNA24, HC2]
Richardson's ricegrass
1 synonym
Achnatherum thurberianum (Piper) Barkworth[FNA24, HC2]
Thurber's ricegrass
1 synonym
Aegilops cylindrica Host[FNA24, HC, HC2]
jointed goatgrass
3 synonyms
Agropyron cristatum (L.) Gaertn.[FNA24, HC, HC2]
crested wheatgrass
0 synonyms
Agropyron fragile (Roth) P. Candargy[HC2]
Siberian wheatgrass
1 synonym
Agrostis capillaris L.[FNA24, HC2]
colonial bentgrass
5 synonyms
Agrostis castellana Boiss. & Reut.[FNA24, HC2]
Highland bentgrass, dryland browntop
0 synonyms
Agrostis densiflora Vasey[HC2]
California bentgrass
0 synonyms
Agrostis exarata Trin.[FNA24, HC, HC2]
spiked bentgrass
16 synonyms
Agrostis gigantea Roth[FNA24, HC2]
black bentgrass
4 synonyms
Agrostis idahoensis Nash[FNA24, HC, HC2]
Idaho bentgrass
5 synonyms
Agrostis mertensii Trin.[FNA24, HC2]
Merten's bentgrass, northern bentgrass
5 synonyms
Agrostis microphylla Steud.[FNA24, HC, HC2]
small-leaf bentgrass
2 synonyms
Agrostis oregonensis Vasey[FNA24, HC, HC2]
Oregon bentgrass
0 synonyms
Agrostis pallens Trin.[FNA24, HC, HC2]
seashore bentgrass
3 synonyms
Agrostis scabra Willd.[FNA24, HC, HC2]
rough bentgrass
8 synonyms
Agrostis stolonifera L.[FNA24, HC2]
spreading bentgrass
6 synonyms
Agrostis variabilis Rydb.[FNA24, HC, HC2]
alpine bentgrass
0 synonyms
Aira caryophyllea L.[HC, HC2]
silver hairgrass
1 synonym
var. caryophyllea[FNA24, HC2]
silver hairgrass
0 synonyms
Aira praecox L.[FNA24, HC, HC2]
early silver hairgrass
1 synonym
Alopecurus aequalis Sobol.[HC, HC2]
little foxtail, short-awn foxtail
0 synonyms
var. aequalis
little foxtail, short-awn foxtail
0 synonyms
Alopecurus arundinaceus Poir.[FNA24, HC2]
creeping meadow-foxtail
1 synonym
Alopecurus carolinianus Walter[FNA24, HC, HC2]
tufted meadow-foxtail
2 synonyms
Alopecurus geniculatus L.[FNA24, HC, HC2]
water foxtail
1 synonym
Alopecurus myosuroides Huds.[FNA24, HC, HC2]
slender meadow-foxtail
1 synonym
Alopecurus pratensis L.[FNA24, HC, HC2]
field meadow-foxtail
0 synonyms
Alopecurus saccatus Vasey[FNA24, HC, HC2]
Pacific meadow-foxtail
1 synonym
Ammophila arenaria (L.) Link[HC, HC2]
European beachgrass
0 synonyms
ssp. arenaria[FNA24, HC2]
European beachgrass
0 synonyms
Ammophila breviligulata Fernald[HC2]
American beachgrass
0 synonyms
ssp. breviligulata[FNA24, HC2]
American beachgrass
0 synonyms
Anthoxanthum aristatum Boiss.[HC, HC2]
annual vernalgrass
2 synonyms
ssp. aristatum[FNA24, HC2]
small sweet vernal grass
0 synonyms
Anthoxanthum odoratum L.[FNA24, HC, HC2]
sweet vernalgrass
2 synonyms
Apera interrupta (L.) P. Beauv.[FNA24, HC2]
dense silky-bent
1 synonym
Aristida purpurea Nutt.[HC2]
threeawn
0 synonyms
var. longiseta (Steud.) Vasey[FNA25, HC2]
red threeawn
5 synonyms
Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl[HC, HC2]
bulbous oatgrass
4 synonyms
Avena barbata Pott ex Link[FNA24, HC, HC2]
barbed oats
0 synonyms
Avena fatua L.[FNA24, HC, HC2]
wild oats
2 synonyms
Avena sativa L.[FNA24, HC, HC2]
cultivated oats
3 synonyms
Beckmannia syzigachne (Steud.) Fernald[FNA24, HC, HC2]
American sloughgrass
5 synonyms
Brachypodium sylvaticum (Huds.) P. Beauv.[FNA, HC, HC2]
false brome
0 synonyms
ssp. sylvaticum
false brome
0 synonyms
Briza maxima L.[FNA24, HC2]
big quakinggrass
0 synonyms
Bromus arenarius Labill.[FNA24, HC]
Australian brome
0 synonyms
Bromus briziformis Fisch. & C.A. Mey.[FNA24, HC2]
rattlesnake brome
1 synonym
Bromus ciliatus L.[FNA24, HC, HC2]
fringed brome
7 synonyms
Bromus commutatus Schrad.[FNA24, HC, HC2]
meadow brome
1 synonym
Bromus diandrus Roth[FNA24, HC2]
great brome, ripgut brome, ripgut grass
4 synonyms
Bromus hordeaceus L.[HC2]
soft chess
2 synonyms
Bromus inermis Leyss.[FNA24, HC, HC2]
smooth brome
3 synonyms
Bromus japonicus Thunb. ex Murray[FNA24, HC, HC2]
Japanese brome
2 synonyms
Bromus orcuttianus Vasey[FNA24, HC, HC2]
Chinook brome
1 synonym
Bromus pacificus Shear[FNA24, HC, HC2]
Pacific brome
1 synonym
Bromus pumpellianus Scribn.[HC2]
arctic brome
9 synonyms
ssp. pumpellianus[FNA24, HC2]
arctic brome
0 synonyms
Bromus racemosus L.[FNA24, HC2]
bald brome
0 synonyms
Bromus rubens L.[FNA24, HC, HC2]
fox-tail brome
2 synonyms
Bromus secalinus L.[FNA24, HC, HC2]
rye brome
2 synonyms
Bromus sitchensis Trin.[FNA24, HC, HC2]
Alaska brome, Sitka brome
0 synonyms
var. aleutensis (Trin. ex Griseb.) Hultén[HC, HC2]
Aleut brome
1 synonym
var. carinatus (Hook. & Arn.) R.E. Brainerd & Otting[HC, HC2]
California brome
5 synonyms
var. marginatus (Nees ex Steud.) B. Boivin[HC2]
large mountain brome
7 synonyms
var. polyanthus (Scribn. ex Shear) R.E. Brainerd & Otting[HC2]
smooth brome
3 synonyms
var. sitchensis[HC, HC2]
Sitka brome
0 synonyms
Bromus squarrosus L.[HC2]
corn brome
1 synonym
Bromus sterilis L.[FNA24, HC, HC2]
poverty brome
1 synonym
Bromus suksdorfii Vasey[FNA24, HC, HC2]
Suksdorf's brome
1 synonym
Bromus tectorum L.[FNA24, HC, HC2]
soft brome, cheatgrass
4 synonyms
Bromus vulgaris (Hook.) Shear[FNA24, HC, HC2]
Columbian brome
4 synonyms
Calamagrostis canadensis (Michx.) P. Beauv.[HC, HC2]
bluejoint reedgrass
3 synonyms
var. canadensis[FNA24, HC, HC2]
bluejoint reedgrass
7 synonyms
var. langsdorffii (Link) Inman[HC2]
Langsdorff's jointed reedgrass
7 synonyms
Calamagrostis howellii Vasey[FNA24, HC, HC2]
Howell's reedgrass
0 synonyms
Calamagrostis nutkaensis (J. Presl) Steud.[FNA24, HC, HC2]
Nootka reedgrass
1 synonym
Calamagrostis purpurascens R. Br.[FNA24, HC, HC2]
purple reedgrass
8 synonyms
Calamagrostis rubescens Buckley[FNA24, HC, HC2]
pinegrass
1 synonym
Calamagrostis stricta (Timm) Koeler[HC2]
slimstem reedgrass
2 synonyms
ssp. inexpansa (A. Gray) C.W. Greene[FNA24, HC2]
narrow-spiked reedgrass
23 synonyms
ssp. stricta[FNA24, HC2]
narrow-spiked reedgrass
4 synonyms
Calamagrostis tacomensis K. Marr & Hebda[FNA24, HC2]
Rainier reedgrass
1 synonym
Calamagrostis tweedyi (Scribn.) Scribn.[FNA24, HC, HC2]
Cascade reedgrass
1 synonym
Calamovilfa longifolia (Hook.) Hack. ex Scribn. & Southw.[HC, HC2]
prairie sandreed
0 synonyms
var. longifolia[FNA24, HC2]
prairie sandgrass, prairie sandreed
0 synonyms
Cenchrus longispinus (Hack.) Fernald[FNA25, HC, HC2]
longspine sandbur, mat sandbur
1 synonym
Cinna latifolia (Trevir. ex Göpp.) Griseb.[FNA24, HC, HC2]
slender wood-reed
0 synonyms
Coleanthus subtilis (Tratt.) Seidl[FNA24, HC, HC2]
moss grass
0 synonyms
Cortaderia jubata (Lemoine) Stapf[FNA25, HC2]
purple pampas grass
0 synonyms
Cortaderia selloana (Schult. & Schult. f.) Asch. & Graebn.[FNA25, HC2]
pampas grass
1 synonym
Corynephorus canescens (L.) P. Beauv.[FNA24, HC, HC2]
gray hairgrass
1 synonym
Crypsis alopecuroides (Piller & Mitterp.) Schrad.[FNA25, HC2]
foxtail pricklegrass
1 synonym
Crypsis vaginiflora (Forssk.) Opiz[FNA25, HC2]
modest pricklegrass
0 synonyms
Cynodon dactylon (L.) Pers.[FNA25, HC, HC2]
bermuda grass
2 synonyms
Cynosurus cristatus L.[FNA24, HC, HC2]
crested dogtail
0 synonyms
Cynosurus echinatus L.[FNA24, HC, HC2]
bristly dog's-tail grass
0 synonyms
Dactylis glomerata L.[FNA24, HC, HC2]
orchard grass
3 synonyms
Danthonia californica Bol.[FNA25, HC, HC2]
California oatgrass
4 synonyms
Danthonia decumbens (L.) DC.[FNA25, HC2]
common heath-grass, mountain heath-grass
2 synonyms
Danthonia intermedia Vasey[FNA25, HC, HC2]
timber oatgrass
2 synonyms
Danthonia spicata (L.) P. Beauv. ex Roem. & Schult.[FNA25, HC, HC2]
poverty oatgrass
3 synonyms
Danthonia unispicata (Thurb.) Munro ex Macoun[FNA25, HC, HC2]
few-flower oatgrass, one-spike oatgrass
0 synonyms
Deschampsia cespitosa (L.) P. Beauv.[HC, HC2]
tufted hairgrass
23 synonyms
Deschampsia danthonioides (Trin.) Munro[FNA24, HC, HC2]
annual hairgrass
3 synonyms
Deschampsia elongata (Hook.) Munro[FNA24, HC, HC2]
slender hairgrass
1 synonym
Dichanthelium acuminatum (Sw.) Gould & C.A. Clark[HC2]
hairy perennial panicgrass
0 synonyms
ssp. fasciculatum (Torr.) Freckmann & Lelong[FNA25, HC2]
hairy panicgrass
3 synonyms
Dichanthelium oligosanthes (Schult.) Gould[HC2]
Scribner's perennial panicgrass
0 synonyms
ssp. scribnerianum (Nash) Freckmann & Lelong[FNA25, HC2]
Scribner's panicgrass witchgrass
6 synonyms
Digitaria ischaemum (Schreb.) Muhl.[FNA25, HC, HC2]
smooth crabgrass
3 synonyms
Digitaria sanguinalis (L.) Scop.[FNA25, HC, HC2]
hairy crabgrass
2 synonyms
Diplachne fusca (L.) P. Beauv. ex Roem. & Schult.[HC2]
clustered salt-grassprangletop, loose-flowered sprangletop
1 synonym
ssp. fascicularis (Lam.) P.M. Peterson & N. Snow[HC2]
bearded sprangletop
8 synonyms
Distichlis spicata (L.) Greene[FNA25, HC, HC2]
alkaline grass, coastal
10 synonyms
Echinochloa crus-galli (L.) P. Beauv.[FNA25, HC2]
barnyard grass, large barnyard grass
4 synonyms
Echinochloa muricata (P. Beauv.) Fernald[HC2]
American barnyard-grass
0 synonyms
var. microstachya Wiegand[FNA25, HC2]
American barnyard grass, American watergrass
3 synonyms
×Elyhordeum macounii (Vasey) Barkworth & D.R. Dewey[FNA24]
 
4 synonyms
×Elyhordeum stebbinsianum (Bowden) Bowden[FNA24]
 
1 synonym
×Elyleymus aristatus (Merr.) Barkworth & D.R. Dewey[FNA24]
 
3 synonyms
Elymus albicans (Scribn. & J.G. Sm.) Á. Löve[FNA24, HC2]
Montana wild rye
10 synonyms
Elymus canadensis L.[HC, HC2]
Canadian wild rye
1 synonym
var. canadensis[FNA24, HC2]
Canadian wild rye, nodding wild rye
3 synonyms
Elymus curvatus Piper[FNA24, HC2]
beardless wild rye, awnless wildrye
3 synonyms
Elymus elymoides (Raf.) Swezey[HC2]
bottlebrush, squirreltail
4 synonyms
ssp. brevifolius (J.G. Sm.) Barkworth[HC2]
longleaf squirreltail
1 synonym
ssp. elymoides[FNA24, HC2]
bottlebrush squirreltail, California squirreltail
2 synonyms
ssp. hordeoides (Suksd.) Barkworth[FNA24, HC2]
bottlebrush, squirreltail
3 synonyms
Elymus glaucus Buckley[HC, HC2]
blue wild-rye
0 synonyms
ssp. glaucus[FNA24, HC2]
blue wildrye
4 synonyms
ssp. virescens (Piper) Gould[FNA24, HC2]
blue wildrye
3 synonyms
Elymus ×hansenii Scribn.[FNA24]
 
3 synonyms
Elymus hirsutus J. Presl[FNA24, HC, HC2]
boreal wildrye, Northwest wildrye
0 synonyms
Elymus lanceolatus (Scribn. & J.G. Sm.) Gould[HC2]
thick-spiked wheatgrass
1 synonym
ssp. lanceolatus[FNA24, HC2]
thick-spiked wheatgrass
3 synonyms
ssp. psammophilus (J.M. Gillett & H. Senn) Á. Löve[FNA24, HC2]
sand-dune wheatgrass
1 synonym
ssp. riparius (Scribn. & J.G. Sm.) Barkworth[HC2]
stream bank wheatgrass
1 synonym
Elymus multisetus (J.G. Sm.) Burtt Davy[FNA24, HC2]
big squirreltail
1 synonym
Elymus repens (L.) Gould[FNA24, HC2]
creeping wildrye
8 synonyms
Elymus scribneri (Vasey) M.E. Jones[FNA24, HC2]
Scribner's wildrye
1 synonym
Elymus trachycaulus (Link) Gould ex Shinners[HC2]
slender wheatgrass
4 synonyms
ssp. trachycaulus[FNA24, HC2]
bearded wheatgrass
17 synonyms
Elymus violaceus (Hornem.) Feilberg[FNA24, HC2]
arctic wheatgrass, bearded wheatgrass
11 synonyms
Elymus wawawaiensis J.R. Carlson & Barkworth[FNA24, HC2]
wawawai wildrye
0 synonyms
Eragrostis cilianensis (All.) Vignolo ex Janch.[FNA25, HC, HC2]
stinkgrass
3 synonyms
Eragrostis curvula (Schrad.) Nees[FNA25, HC2]
weeping lovegrass
0 synonyms
Eragrostis hypnoides (Lam.) Britton, Sterns & Poggenb.[FNA25, HC, HC2]
teal lovegrass
1 synonym
Eragrostis lutescens Scribn.[FNA25, HC, HC2]
six-weeks lovegrass
0 synonyms
Eragrostis mexicana (Hornem.) Link[HC2]
Mexican lovegrass
0 synonyms
ssp. virescens (J. Presl) S.D. Koch & Sánchez Vega[FNA25, HC2]
Mexican lovegrass, orcutt's lovegrass
2 synonyms
Eragrostis minor Host[FNA25, HC2]
little lovegrass
2 synonyms
Eragrostis pectinacea (Michx.) Nees[HC, HC2]
tufted lovegrass
3 synonyms
var. pectinacea[FNA25, HC2]
purple eragrostis, tufted eragrostis
1 synonym
Eragrostis pilosa (L.) P. Beauv.[HC, HC2]
India lovegrass
2 synonyms
var. pilosa[FNA25, HC2]
India lovegrass
0 synonyms
Eremopyrum triticeum (Gaertn.) Nevski[FNA24, HC2]
annual false wheatgrass
2 synonyms
Festuca brachyphylla Schult. & Schult. f.[HC2]
alpine fescue
5 synonyms
ssp. brachyphylla[FNA24, HC2]
alpine fescue
1 synonym
ssp. coloradensis Fred.[HC2]
Colorado alpine fescue
0 synonyms
Festuca campestris Rydb.[FNA24, HC2]
prairie fescue
3 synonyms
Festuca filiformis Pourr.[FNA24, HC2]
fine-leaf sheep fescue
4 synonyms
Festuca idahoensis Elmer[FNA24, HC, HC2]
bluebunch fescue, Idaho fescue
8 synonyms
Festuca occidentalis Hook.[FNA24, HC, HC2]
western fescue
1 synonym
Festuca roemeri (Pavlick) E.B. Alexeev[FNA24, HC2]
Roemer's fescue
1 synonym
var. roemeri[HC2]
Roemer's fescue
0 synonyms
Festuca rubra L.[HC, HC2]
sand fescue
8 synonyms
Festuca saximontana Rydb.[HC2]
Rocky Mountain fescue
0 synonyms
var. purpusiana (St.-Yves) Fred. & Pavlick[HC2]
Rocky Mountain fescue
2 synonyms
var. saximontana[HC2]
 
3 synonyms
Festuca subulata Trin.[FNA24, HC, HC2]
bearded fescue
0 synonyms
Festuca subuliflora Scribn.[FNA24, HC, HC2]
crinkle-awn fescue
0 synonyms
Festuca trachyphylla (Hack.) Krajina[FNA24, HC2]
hard fescue
6 synonyms
Festuca valesiaca Schleich. ex Gaudin[FNA24, HC2]
Valais fescue
0 synonyms
Festuca viridula Vasey[FNA24, HC, HC2]
green-leaf fescue
0 synonyms
Festuca washingtonica E.B. Alexeev[FNA24, HC2]
Washington fescue
0 synonyms
Glyceria borealis (Nash) Batch.[FNA24, HC, HC2]
small floating mannagrass
1 synonym
Glyceria canadensis (Michx.) Trin.[HC2]
Canada mannagrass, rattlesnake mannagrass
1 synonym
var. canadensis[FNA24, HC2]
rattlesnake mannagrass
0 synonyms
Glyceria declinata Bréb.[FNA24, HC2]
low glyceria, waxy mannagrass
0 synonyms
Glyceria elata (Nash) M.E. Jones[FNA24, HC, HC2]
tall mannagrass
0 synonyms
Glyceria fluitans (L.) R. Br.[HC2]
water mannagrass
0 synonyms
Glyceria grandis S. Watson[HC, HC2]
American mannagrass, reed mannagrass
3 synonyms
var. grandis[FNA24, HC2]
reed mannagrass
0 synonyms
Glyceria leptostachya Buckley[FNA24, HC, HC2]
slender-spike mannagrass
1 synonym
Glyceria maxima (Hartm.) Holmb.[FNA24, HC2]
tall mannagrass
0 synonyms
Glyceria ×occidentalis (Piper) J.C. Nelson[FNA24, HC, HC2]
northwestern mannagrass
0 synonyms
Glyceria striata (Lam.) Hitchc.[FNA24, HC, HC2]
fowl mannagrass
5 synonyms
Graphephorum wolfii (Vasey) Vasey ex Coult.[HC2]
beardless graphephorum
1 synonym
Hesperostipa comata (Trin. & Rupr.) Barkworth[HC2]
needle-and-thread
1 synonym
ssp. comata[FNA24, HC2]
needle and thread
2 synonyms
Hierochloe occidentalis Buckley[HC, HC2]
California sweetgrass
2 synonyms
Hierochloe odorata (L.) P. Beauv.[HC, HC2]
hairy sweetgrass, vanillagrass
4 synonyms
Holcus lanatus L.[FNA24, HC, HC2]
common velvet-grass
1 synonym
Holcus mollis L.[HC, HC2]
creeping softgrass, creeping velvet-grass
0 synonyms
ssp. mollis[FNA24, HC2]
creeping velvet-grass
0 synonyms
Hordeum brachyantherum Nevski[HC, HC2]
meadow barley
2 synonyms
ssp. brachyantherum[FNA24, HC2]
meadow barley
5 synonyms
Hordeum depressum (Scribn. & J.G. Sm.) Rydb.[FNA24, HC, HC2]
dwarf barley
1 synonym
Hordeum jubatum L.[HC, HC2]
foxtail barley
1 synonym
ssp. jubatum[FNA24, HC2]
foxtail barley
0 synonyms
Hordeum marinum Huds.[HC2]
Mediterranean barley
0 synonyms
ssp. gussoneanum (Parl.) Thell.[HC2]
Mediterranean barley
7 synonyms
Hordeum murinum L.[HC, HC2]
mouse barley, smooth barley, wall barley
0 synonyms
ssp. glaucum (Steud.) Tzvelev[FNA24, HC2]
mouse barley
4 synonyms
ssp. leporinum (Link) Arcang.[FNA24, HC2]
mouse barley
2 synonyms
ssp. murinum[FNA24, HC2]
mouse barley
1 synonym
Hordeum vulgare L.[HC, HC2]
barley
4 synonyms
ssp. vulgare[FNA24, HC2]
common barley
0 synonyms
Koeleria macrantha (Ledeb.) Schult.[FNA24, HC2]
Koeler's prairie grass, prairie Junegrass
6 synonyms
Leersia oryzoides (L.) Sw.[FNA24, HC, HC2]
rice cutgrass
2 synonyms
Leymus cinereus (Scribn. & Merr.) Á. Löve[FNA24, HC2]
Great Basin wildrye
6 synonyms
Leymus condensatus (J. Presl) Á. Löve[HC2]
giant wildrye
0 synonyms
Leymus flavescens (Scribn. & J.G. Sm.) Pilg.[FNA24, HC2]
sand wildrye
3 synonyms
Leymus mollis (Trin.) Pilg.[HC2]
American dunegrass
4 synonyms
ssp. mollis[FNA24, HC2]
yellow ryegrass
2 synonyms
Leymus racemosus (Lam.) Tzvelev[FNA24, HC2]
mammoth lyme grass, mammoth wildrye
4 synonyms
Leymus triticoides (Buckley) Pilg.[FNA24, HC2]
beardless lyme grass, beardless wildrye
5 synonyms
Leymus ×vancouverensis (Vasey) Pilg.[FNA24, HC2]
Vancouver wildrye
3 synonyms
Lolium multiflorum Lam.[FNA24, HC, HC2]
annual ryegrass, Italian ryegrass, perennial ryegrass
7 synonyms
Lolium perenne L.[FNA24, HC, HC2]
English ryegrass, perennial ryegrass
2 synonyms
Lolium persicum Boiss. & Hohen.
Persian ryegrass
0 synonyms
Lolium temulentum L.[HC, HC2]
darnel, tare
3 synonyms
ssp. temulentum[FNA24, HC2]
darnel
1 synonym
Melica aristata Thurb. ex Bol.[FNA24, HC, HC2]
bearded melic grass
0 synonyms
Melica bulbosa Geyer ex Porter & J.M. Coult.[FNA24, HC, HC2]
bulbous onion grass, bulbous oniongrass
7 synonyms
Melica fugax Bol.[FNA24, HC, HC2]
small melic grass
3 synonyms
Melica harfordii Bol.[FNA24, HC, HC2]
Harford's melic grass
1 synonym
Melica smithii (Porter ex A. Gray) Vasey[FNA24, HC, HC2]
Smith's melic grass
2 synonyms
Melica spectabilis Scribn.[FNA24, HC, HC2]
showy melic grass
2 synonyms
Melica subulata (Griseb.) Scribn.[FNA24, HC, HC2]
Alaska oniongrass
2 synonyms
Miscanthus sinensis Andersson[HC2]
Chinese silvergrass
0 synonyms
Muhlenbergia andina (Nutt.) Hitchc.[FNA25, HC, HC2]
foxtail muhly
1 synonym
Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi[FNA25, HC, HC2]
alkali muhly, scratchgrass
1 synonym
Muhlenbergia filiformis (Thurb. ex S. Watson) Rydb.[FNA25, HC, HC2]
pullup muhly
3 synonyms
Muhlenbergia glomerata (Willd.) Trin.[FNA24, HC, HC2]
spiked muhly
2 synonyms
Muhlenbergia mexicana (L.) Trin.[HC, HC2, JPM2]
wirestem muhly
1 synonym
Muhlenbergia minutissima (Steud.) Swallen[FNA24, HC, HC2]
annual muhly, least muhly
3 synonyms
Muhlenbergia richardsonis (Trin.) Rydb.[FNA24, HC, HC2]
matted muhly
2 synonyms
Oryzopsis asperifolia Michx.[FNA24, HC, HC2]
white-grain mountain ricegrass
0 synonyms
Panicum capillare L.[HC, HC2]
witchgrass
0 synonyms
ssp. capillare[FNA24, HC2]
common panicgrass, witchgrass
2 synonyms
Panicum dichotomiflorum Michx.[HC, HC2]
fall panicum
0 synonyms
ssp. dichotomiflorum[FNA24, HC2]
fall panicum, western witchgrass
2 synonyms
Panicum miliaceum L.[HC, HC2]
millet
0 synonyms
ssp. miliaceum[FNA24, HC2]
broomcorn, hog millet, panic millet, proso millet
0 synonyms
ssp. ruderale (Kitag.) Tzvelev[FNA24, HC2]
broomcorn, hog millet, panic millet
0 synonyms
Panicum virgatum L.[FNA]
 
0 synonyms
Parapholis incurva (L.) C.E. Hubb.[HC, HC2]
sicklegrass
0 synonyms
Pascopyrum smithii (Rydb.) Barkworth & D.R. Dewey[FNA24, HC2]
western wheatgrass
7 synonyms
Paspalum distichum L.[FNA25, HC, HC2]
knotgrass, Thompsongrass
3 synonyms
Phalaris arundinacea L.[FNA24, HC, HC2]
reed canarygrass
3 synonyms
Phalaris canariensis L.[FNA24, HC, HC2]
common canary grass
0 synonyms
Phleum alpinum L.[FNA24, HC, HC2]
mountain timothy
0 synonyms
Phleum pratense L.[HC, HC2]
timothy
0 synonyms
ssp. pratense[FNA24, HC2]
common timothy
3 synonyms
Phragmites australis (Cav.) Trin. ex Steud.[HC2]
common reed
1 synonym
ssp. americanus Saltonst., P.M. Peterson, & Soreng[FNA25, HC2]
common reed
0 synonyms
ssp. australis[FNA25, HC2]
common reed
0 synonyms
Piptatheropsis exigua (Thurb.) Romasch., P.M. Peterson & Soreng[HC2]
little mountain-ricegrass
2 synonyms
Pleuropogon refractus (A. Gray) Benth. ex Vasey[FNA24, HC, HC2]
nodding semaphore grass
1 synonym
Poa alpina L.[HC, HC2]
alpine bluegrass
0 synonyms
ssp. alpina[FNA24, HC2]
alpine bluegrass
0 synonyms
Poa annua L.[FNA24, HC, HC2]
annual bluegrass
2 synonyms
Poa arctica R. Br.[HC2]
Arctic bluegrass
1 synonym
ssp. arctica[HC2]
arctic bluegrass
0 synonyms
Poa bolanderi Vasey[FNA24, HC, HC2]
Bolander's bluegrass
1 synonym
Poa bulbosa L.[HC, HC2]
bulbous bluegrass
0 synonyms
ssp. vivipara (Koeler) Arcang.[FNA24, HC2]
bulbous bluegrass
0 synonyms
Poa compressa L.[FNA24, HC, HC2]
flat-stem bluegrass
0 synonyms
Poa confinis Vasey[FNA24, HC, HC2]
coastline bluegrass
0 synonyms
Poa curtifolia Scribn.[FNA24, HC, HC2]
little mountain bluegrass, Wenatchees bluegrass
0 synonyms
Poa cusickii Vasey[HC, HC2]
Cusick's bluegrass
0 synonyms
ssp. cusickii[FNA24, HC2]
Cusick's bluegrass
3 synonyms
ssp. epilis (Scribn.) W.A. Weber[FNA24, HC2]
skyline bluegrass
2 synonyms
ssp. pallida Soreng[FNA24, HC2]
Cusick's bluegrass
0 synonyms
ssp. purpurascens (Vasey) Soreng[FNA24, HC2]
Cusick's bluegrass
1 synonym
Poa fendleriana (Steud.) Vasey[HC, HC2]
muttongrass
0 synonyms
ssp. fendleriana[HC2]
Vasey's muttongrass
0 synonyms
ssp. longiligula (Scribn. & T.A. Williams) Soreng[FNA24, HC2]
muttongrass
2 synonyms
Poa glauca Vahl[HC2]
glaucous bluegrass
0 synonyms
ssp. rupicola (Nash) W.A. Weber[FNA24, HC2]
timberline bluegrass
2 synonyms
Poa howellii Vasey & Scribn.[FNA24, HC, HC2]
Howell's bluegrass
2 synonyms
Poa infirma Kunth[HC2]
weak bluegrass
0 synonyms
Poa interior Rydb.[FNA24, HC, HC2]
interior bluegrass, woods bluegrass
2 synonyms
Poa laxiflora Buckley[FNA24, HC, HC2]
loose-flower bluegrass
0 synonyms
Poa leibergii Scribn.[FNA24, HC, HC2]
Leiberg's bluegrass
1 synonym
Poa leptocoma Trin.[FNA24, HC, HC2]
marsh bluegrass
1 synonym
Poa lettermanii Vasey[FNA24, HC, HC2]
Letterman's bluegrass
2 synonyms
Poa macrantha Vasey[FNA24, HC, HC2]
sand-dune bluegrass
2 synonyms
Poa marcida Hitchc.[FNA24, HC, HC2]
withered bluegrass
1 synonym
Poa ×multnomae Piper[HC2]
 
1 synonym
Poa nemoralis L.[FNA24, HC, HC2]
woodland bluegrass
0 synonyms
Poa nervosa (Hook.) Vasey[FNA24, HC, HC2]
Hooker's bluegrass
1 synonym
Poa palustris L.[FNA24, HC, HC2]
fowl bluegrass
4 synonyms
Poa paucispicula Scribn. & Merr.[FNA24, HC2]
Alaska bluegrass
3 synonyms
Poa pratensis L.[HC, HC2]
Kentucky bluegrass
0 synonyms
ssp. angustifolia (L.) Lej.[HC2]
Kentucky bluegrass
0 synonyms
ssp. irrigata (Lindm.) H. Lindb.[HC2]
Kentucky bluegrass
0 synonyms
ssp. pratensis[FNA24, HC2]
Kentucky bluegrass
2 synonyms
Poa secunda J. Presl[HC2]
 
0 synonyms
ssp. juncifolia (Scribn.) Soreng[FNA24, HC2]
alkali bluegrass, big bluegrass, Nevada bluegrass
8 synonyms
ssp. secunda[FNA24, HC2]
curly blue grass
14 synonyms
Poa stenantha Trin.[HC, HC2]
narrow-flowered bluegrass
2 synonyms
var. stenantha[FNA24, HC2]
narrow-flower bluegrass
0 synonyms
Poa suksdorfii (Beal) Vasey ex Piper[FNA24, HC, HC2]
Suksdorf's bluegrass, western bluegrass
0 synonyms
Poa trivialis L.[FNA24, HC, HC2]
rough-stalk bluegrass
0 synonyms
ssp. trivialis[HC2]
rough-stalk bluegrass
0 synonyms
Poa unilateralis Scribn. ex Vasey[HC2]
sea-bluff bluegrass
0 synonyms
ssp. pachypholis (Piper) D.D. Keck ex Soreng[FNA24, HC2]
San Francisco bluegrass
1 synonym
Poa wheeleri Vasey[FNA24, HC2]
Wheeler's bluegrass
2 synonyms
Podagrostis aequivalvis (Trin.) Scribn. & Merr.[FNA24, HC2]
Alaska bent, arctic bent
1 synonym
Podagrostis humilis (Vasey) Björkman[FNA24, HC2]
alpine bent, mountain bent
1 synonym
Podagrostis thurberiana (Hitchc.) Hultén[FNA24, HC2]
Thurber's bent
1 synonym
Polypogon interruptus Kunth[FNA24, HC, HC2]
ditch rabbit's-foot grass
1 synonym
Polypogon maritimus Willd.
Mediterranean rabbit's-foot grass
0 synonyms
Polypogon monspeliensis (L.) Desf.[FNA, HC, HC2]
annual rabbit's-foot grass
1 synonym
Polypogon viridis (Gouan) Breistr.[FNA24, HC2]
beardless rabbit's-foot grass
4 synonyms
Psathyrostachys juncea (Fisch.) Nevski[FNA24, HC2]
Russian wild-rye
2 synonyms
×Pseudelymus saxicola (Scribn. & J.G. Sm.) Barkworth & D.R. Dewey[FNA24, HC2]
 
3 synonyms
Pseudoroegneria spicata (Pursh) Á. Löve[FNA24, HC2]
bluebunch wheatgrass
11 synonyms
Pseudosasa japonica (Siebold & Zucc. ex Steud.) Makino ex Nakai[WTU]
Japanese bamboo
1 synonym
Puccinellia distans (Jacq.) Parl.[FNA24, HC, HC2]
European alkaligrass, weeping alkaligrass
6 synonyms
Puccinellia maritima (Huds.) Parl.[HC, HC2]
coast alkaligrass
1 synonym
Puccinellia nutkaensis (J. Presl) Fernald & Weath.[FNA24, HC, HC2]
Nootka alkaligrass, shining alkaligrass
6 synonyms
Puccinellia nuttalliana (Schult.) Hitchc.[FNA24, HC, HC2]
Nuttall's alkali grass
2 synonyms
Puccinellia pumila (Vasey) Hitchc.[FNA24, HC, HC2]
small alkaligrass
4 synonyms
Redfieldia flexuosa (Thurb. ex A. Gray) Vasey[FNA25, HC2]
blowout grass
0 synonyms
Sasa palmata (hort. ex Burb.) E.G. Camus
broadleaf bamboo
0 synonyms
Schedonorus arundinaceus (Schreb.) Dumort.[FNA24, HC2]
tall fescue, tall rye grass
5 synonyms
Schedonorus pratensis (Huds.) P. Beauv.[FNA24, HC2]
meadow fescue, meadow rye grass
2 synonyms
Schizachyrium scoparium (Michx.) Nash[HC2]
broom bluestem, little bluestem
2 synonyms
var. scoparium[FNA25, HC2]
broom beardgras, broom bluestem, little bluestem
0 synonyms
Sclerochloa dura (L.) P. Beauv.[FNA24, HC, HC2]
common hardgrass
1 synonym
Scribneria bolanderi (Thurb.) Hack.[FNA24, HC, HC2]
Scribner's grass
0 synonyms
Secale cereale L.[FNA24, HC, HC2]
cultivated rye
1 synonym
Secale strictum (C. Presl) C. Presl[HC2]
narrow rye
1 synonym
Setaria faberi R.A.W. Herrm.[FNA25, HC2]
Chinese foxtail
0 synonyms
Setaria italica (L.) P. Beauv.[FNA25, HC, HC2]
Italian bristlegrass, foxtail millet
0 synonyms
Setaria pumila (Poir.) Roem. & Schult.[HC2]
yellow bristlegrass, yellow foxtail
0 synonyms
ssp. pallide-fusca (Schumach.) B.K. Simon[HC2]
cattail grass
1 synonym
ssp. pumila[FNA25, HC2]
yellow foxtail
3 synonyms
Setaria verticillata (L.) P. Beauv.[FNA25, HC, HC2]
hooked bristlegrass, rough bristlegrass
3 synonyms
Setaria viridis (L.) P. Beauv.[HC, HC2]
green bristlegrass, green foxtail
4 synonyms
var. viridis[FNA25, HC2]
green bristlegrass, green foxtail
0 synonyms
Sorghum bicolor (L.) Moench[FNA25, HC2]
sorghum
1 synonym
Sorghum halepense (L.) Pers.[FNA25, HC, HC2]
Johnson grass, Johnsongrass
1 synonym
Spartina alterniflora Loisel.[FNA25, HC, HC2]
saltwater cordgrass, smooth cordgrass
2 synonyms
Spartina anglica C.E. Hubb.[FNA25, HC2]
English cordgrass
0 synonyms
Spartina densiflora Brongn.[FNA25, HC2]
Chilean cordgrass
0 synonyms
Spartina gracilis Trin.[FNA25, HC, HC2]
alkali cordgrass
0 synonyms
Spartina patens (Aiton) Muhl.[FNA25, HC2]
saltmeadow cordgrass
2 synonyms
Spartina pectinata Link[FNA25, HC, HC2]
freshwater cordgrass, prairie cordgrass
2 synonyms
Spartina ×townsendii H. Groves & J. Groves[FNA25, HC, HC2]
Townsend's cordgrass
0 synonyms
Sphenopholis intermedia (Rydb.) Rydb.[FNA24, HC2]
slender wedgescale
2 synonyms
Sphenopholis obtusata (Michx.) Scribn.[FNA24, HC, HC2]
prairie wedgescale
3 synonyms
Sporobolus airoides (Torr.) Torr.[FNA25, HC, HC2]
alkali sacaton
1 synonym
Sporobolus compositus (Poir.) Merr.[HC2]
composite dropseed, tall dropseed
3 synonyms
var. compositus[FNA25, HC2]
rough dropseed
0 synonyms
Sporobolus cryptandrus (Torr.) A. Gray[FNA25, HC, HC2]
sand dropseed
4 synonyms
Sporobolus neglectus Nash[FNA25, HC, HC2]
small dropseed
1 synonym
Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood[HC2]
poverty dropseed
0 synonyms
var. vaginiflorus[HC2]
poverty dropseed
0 synonyms
Taeniatherum caput-medusae (L.) Nevski[FNA24, HC2]
medusa-head
2 synonyms
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey[HC2]
intermediate wheatgrass
4 synonyms
ssp. barbulatum (Schur) Barkworth & D.R. Dewey[FNA24, HC2]
pubescent wheatgrass
5 synonyms
ssp. intermedium[FNA24, HC2]
intermediate wheatgrass
0 synonyms
Thinopyrum ponticum (Podp.) Barkworth & D.R. Dewey[HC2]
Eurasian wheatgrass
5 synonyms
Torreyochloa pallida (Torr.) G.L. Church[HC2]
pale false manna grass
0 synonyms
var. pauciflora (J. Presl) J.I. Davis[HC2]
weak alkaligrass
9 synonyms
Tripidium ravennae (L.) H. Scholz[HC2]
ravennagrass
1 synonym
Triplasis purpurea (Walter) Chapm.[HC2]
purple sandgrass
0 synonyms
var. purpurea[FNA25, HC2]
purple sandgrass
0 synonyms
Trisetum canescens Buckley[FNA24, HC, HC2]
tall false oat
4 synonyms
Trisetum cernuum Trin.[FNA24, HC, HC2]
nodding trisetum
0 synonyms
Trisetum spicatum (L.) K. Richt.[FNA24, HC, HC2]
narrow false oat, spike trisetum
21 synonyms
Triticum aestivum L.[FNA24, HC, HC2]
bread wheat
5 synonyms
Vahlodea atropurpurea (Wahlenb.) Fr. ex Hartm.[FNA24, HC2]
mountain hairgrass
10 synonyms
Ventenata dubia (Leers) Coss.[FNA24, HC, HC2]
ventenata
2 synonyms
Vulpia bromoides (L.) Gray[FNA24, HC2]
brome fescue
4 synonyms
Vulpia microstachys (Nutt.) Munro[FNA24, HC2]
small fescue
3 synonyms
Vulpia myuros (L.) C.C. Gmel.[FNA24, HC2]
rattail fescue, rattail six-weeks grass
5 synonyms
Vulpia octoflora (Walter) Rydb.[HC2]
six–weeks fescue
2 synonyms
var. hirtella (Piper) Henrard[FNA24, HC2]
six-weeks fescue
2 synonyms
var. octoflora[FNA24, HC2]
six-weeks fescue
1 synonym
Zizania palustris L.[HC2]
northern wild rice
0 synonyms
var. palustris[FNA24, HC2]
northern wild rice
2 synonyms
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