| Achnatherum ×bloomeri (Boland.) Barkworth [FNA24] |
5 |
Indian ricegrass |
| Achnatherum hendersonii (Vasey) Barkworth [FNA24] |
2 |
Henderson's rice grass |
| Achnatherum hymenoides (Roemer & J.A. Schultes) Barkworth [FNA24] |
3 |
Indian rice grass |
| Achnatherum lemmonii (Vasey) Barkworth ssp. lemmonii [FNA24] |
2 |
Lemmon's needlegrass |
| Achnatherum nelsonii (Scribn.) Barkworth ssp. dorei (Barkworth & Maze) Barkworth [FNA24] |
5 |
Nelson's needlegrass |
| Achnatherum occidentale (Thurb. ex S. Wats.) Barkworth ssp. californicum (Merr. & Burtt-Davey ex Hall) Barkworth [FNA24] |
4 |
California needlegrass |
| Achnatherum occidentale (Thurb. ex S. Wats.) Barkworth ssp. pubescens (Vasey) Barkworth [FNA24] |
2 |
western needlegrass |
| Achnatherum richardsonii (Link) Barkworth [FNA24] |
1 |
Richardson's rice grass |
| Achnatherum thurberianum (Piper) Barkworth [FNA24] |
1 |
Thurber's rice grass |
| Aegilops cylindrica Host [FNA24, H&C] |
3 |
jointed goat grass |
| Aegilops triuncialis L. var. triuncialis [FNA24] |
0 |
barbed goatgrass |
| ×Agropogon lutosus (Poir.) P. Fourn. [FNA24] |
1 |
perennial beardgrass |
| Agropyron cristatum (L.) Gaertn. [FNA24, H&C] |
2 |
crested wheatgrass |
| Agrostis capillaris L. [FNA24] |
5 |
colonial bent |
| Agrostis castellana Boiss. & Reut. [FNA24] |
0 |
Highland bent, dryland browntop |
| Agrostis exarata Trin. [FNA24, H&C] |
14 |
spiked bent |
| Agrostis gigantea Roth [FNA24] |
5 |
black bent |
| Agrostis idahoensis Nash [FNA24, H&C] |
3 |
Idaho bent |
| Agrostis mertensii Trin. [FNA24] |
7 |
northern bent |
| Agrostis microphylla Steud. [FNA24, H&C] |
2 |
small-leaf bent |
| Agrostis oregonensis Vasey [FNA24, H&C] |
0 |
Oregon bent |
| Agrostis pallens Trin. [FNA24, H&C] |
3 |
seashore bent |
| Agrostis perennans (Walt.) Tuckerman [FNA24] |
7 |
upland bent |
| Agrostis scabra Willd. [FNA24] |
7 |
rough bent |
| Agrostis stolonifera L. [FNA24] |
6 |
spreading bent |
| Agrostis variabilis Rydb. [FNA24, H&C] |
0 |
alpine bent |
| Aira caryophyllea L. var. capillaris (Mert. & W.D.J. Koch) Mutel [FNA24] |
6 |
delicate hairgrass |
| Aira caryophyllea L. var. caryophyllea [FNA24] |
2 |
silver hairgrass |
| Aira praecox L. [FNA24, H&C] |
1 |
early silver-hair grass |
| Alopecurus aequalis Sobol. var. aequalis [FNA24] |
4 |
shortawn fescue |
| Alopecurus arundinaceus Poir. [FNA24] |
2 |
creeping meadow-foxtail |
| Alopecurus carolinianus Walt. [FNA24, H&C] |
2 |
tufted meadow-foxtail |
| Alopecurus geniculatus L. [FNA24, H&C] |
1 |
water fescue |
| Alopecurus myosuroides Huds. [FNA24, H&C] |
1 |
slender meadow-foxtail |
| Alopecurus pratensis L. [FNA24, H&C] |
0 |
field meadow-foxtail |
| Alopecurus saccatus Vasey [FNA24, H&C] |
1 |
Pacific meadow-foxtail |
| Ammophila arenaria (L.) Link ssp. arenaria [FNA24] |
1 |
European beach grass |
| Ammophila breviligulata Fern. ssp. breviligulata [FNA24] |
0 |
American beachgrass |
| Andropogon gerardii Vitman [FNA25, H&C] |
0 |
big bluestem |
| Anthoxanthum aristatum Boiss. ssp. aristatum [FNA24] |
2 |
small sweet vernal grass |
| Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp [FNA24] |
4 |
hairy sweetgrass |
| Anthoxanthum occidentale (Buckl.) Veldkamp [FNA24] |
2 |
California sweetgrass |
| Anthoxanthum odoratum L. [FNA24, H&C] |
2 |
sweet velvet grass |
| Apera interrupta (L.) Beauv. [FNA24] |
1 |
dense silky-bent |
| Aristida purpurea Nutt. var. longiseta (Steud.) Vasey [FNA25] |
3 |
red threeawn |
| Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl var. bulbosum (Willd.) Spenner [FNA24, H&C] |
2 |
bulbous oatgrass [Marsh] |
| Arrhenatherum elatius (L.) Beauv. ex J.& K. Presl var. elatius [FNA24, H&C] |
2 |
bulbous oatgrass [Marsh] |
| Avena barbata Pott ex Link [FNA24] |
1 |
barbed oat |
| Avena fatua L. [FNA24, H&C] |
2 |
wild oat |
| Avena sativa L. [FNA24, H&C] |
3 |
oat |
| Beckmannia syzigachne (Steud.) Fern. [FNA24, H&C] |
5 |
American slough grass |
| Bouteloua curtipendula (Michx.) Torr. var. curtipendula [FNA24] |
3 |
sideoats grama |
| Briza maxima L. [FNA24] |
0 |
big quakinggrass |
| Briza minor L. [FNA24, H&C] |
0 |
little quaking grass |
| Bromus aleutensis Trin. ex Griseb. [FNA24] |
1 |
Aleut brome |
| Bromus briziformis Fisch. & C.A. Mey. [FNA24] |
1 |
rattlesnake brome |
| Bromus carinatus Hook. & Arn. var. carinatus [FNA24] |
5 |
California brome |
| Bromus carinatus Hook. & Arn. var. marginatus Hitchc. ex Scoggan [FNA24] |
7 |
large mountain brome |
| Bromus catharticus Vahl var. elatus (E. Desv.) Planchuelo [FNA24] |
0 |
rescue grass |
| Bromus ciliatus L. [FNA24, H&C] |
7 |
fringed brome |
| Bromus commutatus Schrad. [FNA24, H&C] |
1 |
meadow brome |
| Bromus diandrus Roth [FNA24] |
5 |
ripgut grass, great brome |
| Bromus erectus Huds. [FNA24, H&C] |
1 |
upright brome |
| Bromus hordeaceus L. ssp. hordeaceus [FNA24] |
1 |
soft chess |
| Bromus inermis Leyss. [FNA24] |
2 |
|
| Bromus japonicus Thunb. ex Murr. [FNA24, H&C] |
2 |
Japanese brome |
| Bromus laevipes Shear [FNA24] |
1 |
woodland brome |
| Bromus orcuttianus Vasey [FNA24, H&C] |
2 |
chinook brome |
| Bromus pacificus Shear [FNA24, H&C] |
1 |
Pacific brome |
| Bromus pumpellianus Scribn. ssp. pumpellianus [FNA24] |
10 |
Arctic brome |
| Bromus racemosus L. [FNA24] |
1 |
bald brome |
| Bromus rubens L. [FNA24, H&C] |
2 |
fox-tail brome |
| Bromus secalinus L. [FNA24, H&C] |
2 |
rye brome |
| Bromus sitchensis Trin. [FNA24, H&C] |
0 |
Alaska brome |
| Bromus squarrosus L. var. squarrosus [FNA24] |
0 |
corn brome |
| Bromus sterilis L. [FNA24, H&C] |
1 |
poverty brome |
| Bromus suksdorfii Vasey [FNA24, H&C] |
1 |
Suksdorf's brome |
| Bromus tectorum L. [FNA24, H&C] |
4 |
cheat grass |
| Bromus vulgaris (Hook.) Shear [FNA24] |
4 |
Columbian brome |
| Calamagrostis canadensis (Michx.) Beauv. var. canadensis [FNA24, H&C] |
11 |
bluejoint reedgrass |
| Calamagrostis canadensis (Michx.) Beauv. var. langsdorfii (Link) Inman [FNA24, H&C] |
6 |
? |
| Calamagrostis howellii Vasey [FNA24, H&C] |
0 |
Howell's reed grass |
| Calamagrostis koelerioides Vasey [FNA24, H&C] |
1 |
pineland reed grass |
| Calamagrostis nutkaensis (J. Presl) J. Presl ex Steud. [FNA24, H&C] |
1 |
Nootka reed grass |
| Calamagrostis purpurascens R. Br. [FNA24] |
7 |
purple reedgrass |
| Calamagrostis rubescens Buckl. [FNA24, H&C] |
1 |
pinegrass |
| Calamagrostis sesquiflora (Trin.) Tzvelev [FNA24, H&C] |
6 |
one-and-a-half-flower reed grass |
| Calamagrostis stricta (Timm) Koel. ssp. inexpansa (Gray) C.W. Greene [FNA24] |
21 |
narrow-spiked reedgrass |
| Calamagrostis stricta (Timm) Koel. ssp. stricta [FNA24] |
5 |
narrow-spiked reedgrass |
| Calamagrostis tacomensis K. Marr & Hebda [FNA24] |
1 |
Rainier reedgrass |
| Calamagrostis tweedyi (Scribn.) Scribn. ex Vasey [FNA24, H&C] |
0 |
Cascade reed grass |
| Calamovilfa longifolia (Hook.) Scribn. var. longifolia [FNA24] |
1 |
prairie sandgrass or prairie sandreed |
| Catabrosa aquatica (L.) Beauv. [FNA24, H&C] |
2 |
brookgrass, water whorlgrass |
| Cenchrus longispinus (Hack.) Fernald [FNA25, H&C] |
1 |
mat sandbur, longspine sandbur |
| Cenchrus spinifex Cav. [FNA25] |
1 |
coastal or common sandbur |
| Cinna latifolia (Trev. ex Goepp.) Griseb. [FNA24, H&C] |
0 |
slender wood-reed |
| Coix lacryma-jobi L. [FNA25] |
0 |
Job's-tears |
| Coleanthus subtilis (Tratt.) Seidel [FNA24, H&C] |
0 |
moss grass |
| Cortaderia jubata (Lemoine ex CarriÅre) Stapf [FNA25] |
0 |
purple pampas grass |
| Cortaderia selloana (Schult. & Schult. f.) Asch. & Graebn. [FNA25] |
1 |
pampas grass |
| Corynephorus canescens (L.) Beauv. [FNA24, H&C] |
1 |
gray club-awn grass |
| Crypsis alopecuroides (Piller & Mitterp.) Schrad. [FNA25] |
1 |
foxtail pricklegrass |
| Crypsis vaginiflora (Forssk.) Opiz [FNA25] |
0 |
modest pricklegrass |
| Cynodon dactylon (L.) Pers. [FNA25, H&C] |
2 |
bermuda grass |
| Cynosurus cristatus L. [FNA24, H&C] |
0 |
crested dogtail |
| Cynosurus echinatus L. [FNA24, H&C] |
0 |
bristly dog's-tail grass |
| Dactylis glomerata L. [FNA24, H&C] |
3 |
orchard grass |
| Danthonia californica Bol. [FNA25, H&C] |
4 |
California oatgrass |
| Danthonia decumbens (L.) DC. [FNA25] |
2 |
mountain or common heath-grass |
| Danthonia intermedia Vasey [FNA25, H&C] |
2 |
timber oatgrass |
| Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. [FNA25] |
3 |
poverty oatgrass |
| Danthonia unispicata (Thurb.) Munro ex Vasey [FNA25, H&C] |
0 |
one-spike or few-flower oatgrass |
| Deschampsia cespitosa (L.) Beauv. ssp. beringensis (Hultén) W.E. Lawrence [FNA24] |
2 |
Beringian hairgrass |
| Deschampsia cespitosa (L.) Beauv. ssp. cespitosa [FNA24] |
15 |
tufted hair grass |
| Deschampsia cespitosa (L.) Beauv. ssp. holciformis (J. Presl) W.E. Lawrence [FNA24] |
3 |
tufted hairgrass |
| Deschampsia danthonioides (Trin.) Munro [FNA24, H&C] |
3 |
annual hair grass |
| Deschampsia elongata (Hook.) Munro [FNA24, H&C] |
1 |
slender hair grass |
| Desmazeria rigida (L.) Tutin [FNA24] |
3 |
fern grass |
| Dichanthelium acuminatum (Sw.) Gould & C.A. Clark ssp. fasciculatum (Torr.) Freckmann & Lelong [FNA25] |
6 |
hairy panicgrass |
| Dichanthelium oligosanthes (Schult.) Gould ssp. scribnerianum (Nash) Freckmann & Lelong [FNA25] |
6 |
Scribner's panicgrass or witchgrass |
| Digitaria ischaemum (Schreb.) Schreb. ex Muhl. [FNA25, H&C] |
3 |
smooth crabgrass |
| Digitaria sanguinalis (L.) Scop. [FNA25, H&C] |
2 |
hairy crabgrass |
| Distichlis spicata (L.) Greene [FNA25, H&C] |
9 |
coastal salt grass, alkaline grass |
| Echinochloa colona (L.) Link [FNA25] |
1 |
awnless barnyard grass, or jungle-rice |
| Echinochloa crus-galli (L.) P. Beauv. [FNA25, H&C] |
3 |
barnyard grass, or large barnyard grass |
| Echinochloa crus-pavonis (Kunth) Schult. var. macera (Wiegand) Gould [FNA25] |
0 |
gulf barnyard grass |
| Echinochloa muricata (P. Beauv.) Fernald var. microstachya Wiegand [FNA25] |
4 |
American barnyard grass, or watergrass |
| Eleusine indica (L.) Gaertn. [FNA25, H&C] |
0 |
goosegrass |
| ×Elyhordeum macounii (Vasey) Barkworth & D.R. Dewey [FNA24] |
4 |
|
| ×Elyhordeum stebbinsianum (Bowden) Bowden [FNA24] |
3 |
|
| Elymus albicans (Scribn. & J.G. Sm.) A. Löve [FNA24] |
10 |
Montana wild rye |
| Elymus bakeri (E. Nels.) A. Löve [FNA24] |
4 |
Baker's wild rye |
| Elymus canadensis L. var. canadensis [FNA24] |
6 |
nodding wild rye |
| Elymus curvatus Piper [FNA24] |
4 |
awnless wildrye |
| Elymus elymoides (Raf.) Swezey ssp. californicus (J.G. Sm.) Barkworth [FNA24] |
1 |
California squirreltail |
| Elymus elymoides (Raf.) Swezey ssp. elymoides [FNA24] |
3 |
bottlebrush squirreltail |
| Elymus elymoides (Raf.) Swezey ssp. hordeoides (Suksdorf) Barkworth [FNA24] |
3 |
bottlebrush squirreltail |
| Elymus glaucus Buckl. ssp. glaucus [FNA24] |
4 |
blue wildrye |
| Elymus glaucus Buckl. ssp. virescens (Piper) Gould [FNA24] |
2 |
blue wildrye |
| Elymus ×hansenii Scribn. (pro sp.) [FNA24] |
3 |
|
| Elymus hirsutus J. Presl [FNA24, H&C] |
0 |
boreal wild rye |
| Elymus lanceolatus (Scribn. & J.G. Sm.) Gould ssp. lanceolatus [FNA24] |
5 |
thick-spiked wheatgrass |
| Elymus lanceolatus (Scribn. & J.G. Sm.) Gould ssp. psammophilus (J.M. Gillett & H. Senn) Á. Löve [FNA24] |
1 |
sand-dune wheatgrass |
| Elymus multisetus (J.G. Sm.) Burtt Davy [FNA24] |
1 |
big squirreltail |
| Elymus ×pseudorepens (Scribn. & J.G. Sm.) Barkworth & D.R. Dewey [FNA24] |
6 |
false quackgrass |
| Elymus repens (L.) Gould [FNA24] |
7 |
creeping wild rye |
| Elymus scribneri (Vasey) M.E. Jones [FNA24] |
1 |
Scribner's wild rye |
| Elymus trachycaulus (Link) Gould ex Shinners ssp. trachycaulus [FNA24] |
23 |
bearded wheatgrass |
| Elymus violaceus (Hornem.) Feilberg [FNA24] |
10 |
Arctic wheatgrass |
| Elymus wawawaiensis J. Carlson & Barkworth [FNA24] |
0 |
wawawai wild rye |
| Eragrostis cilianensis (All.) Vignolo ex Janch. [FNA25, H&C] |
3 |
stinkgrass |
| Eragrostis curvula (Schrad.) Nees [FNA25] |
0 |
weeping lovegrass |
| Eragrostis hypnoides (Lam.) Britton, Sterns & Poggenb. [FNA25, H&C] |
1 |
teal love grass |
| Eragrostis lutescens Scribn. [FNA25, H&C] |
0 |
six-weeks love grass |
| Eragrostis mexicana (Hornem.) Link ssp. virescens (J. Presl) S.D. Koch & Sçnchez Vega [FNA25] |
2 |
Mexican or orcutt's lovegrass |
| Eragrostis minor Host [FNA25] |
2 |
little lovegrass |
| Eragrostis pectinacea (Michx.) Nees ex Steud. var. pectinacea [FNA25] |
5 |
tufted or purple eragrostis |
| Eragrostis pilosa (L.) P. Beauv. var. pilosa [FNA25] |
3 |
India lovegrass |
| Eremopyrum triticeum (Gaertn.) Nevski [FNA24] |
2 |
annual false wheat grass |
| Festuca brachyphylla J.A. Schultes ex J.A. & J.H. Schultes ssp. brachyphylla [FNA24] |
8 |
alpine fescue |
| Festuca campestris Rydb. [FNA24] |
3 |
prairie fescue |
| Festuca filiformis Pourret [FNA24] |
4 |
fine-leaf sheep fescue |
| Festuca idahoensis Elmer [FNA24] |
7 |
bluebunch fescue |
| Festuca occidentalis Hook. [FNA24, H&C] |
1 |
western fescue |
| Festuca ovina L. [FNA24] |
0 |
sheep fescue |
| Festuca roemeri (Pavlick) Alexeev [FNA24] |
1 |
Roemer's fescue |
| Festuca rubra L. ssp. mediana (Pavlick) Pavlick [FNA24] |
0 |
dune red fescue |
| Festuca rubra L. ssp. pruinosa (Hack.) Piper [FNA24] |
0 |
rock fescue |
| Festuca rubra L. ssp. rubra [FNA24] |
3 |
red fescue |
| Festuca rubra L. ssp. secunda (J. Presl) Pavlick [FNA24] |
2 |
red fescue |
| Festuca saximontana Rydb. var. purpusiana (St.-Yves) Frederiksen & Pavlick [FNA24] |
2 |
sheep fescue |
| Festuca saximontana Rydb. var. saximontana [FNA24] |
3 |
sheep fescue |
| Festuca subulata Trin. [FNA24, H&C] |
0 |
bearded fescue |
| Festuca subuliflora Scribn. [FNA24, H&C] |
0 |
crinkle-awn fescue |
| Festuca trachyphylla (Hack.) Krajina [FNA24] |
6 |
hard fescue |
| Festuca valesiaca Schleicher ex Gaudin [FNA24] |
0 |
Valais fescue |
| Festuca viridula Vasey [FNA24, H&C] |
0 |
green-leaf fescue |
| Festuca washingtonica Alexeev [FNA24] |
0 |
Washington fescue |
| Glyceria borealis (Nash) Batchelder [FNA24, H&C] |
1 |
small floating manna grass |
| Glyceria canadensis (Michx.) Trin. var. canadensis [FNA24] |
1 |
rattlesnake manna grass |
| Glyceria declinata Bréb. [FNA24] |
0 |
low glyceria |
| Glyceria elata (Nash ex Rydb.) M.E. Jones [FNA24, H&C] |
0 |
tall mannagrass |
| Glyceria grandis S. Wats. var. grandis [FNA24] |
3 |
reed mannagrass |
| Glyceria leptostachya Buckl. [FNA24, H&C] |
1 |
slender-spike manna grass |
| Glyceria ×occidentalis (Piper) J.C. Nels. [FNA24, H&C] |
0 |
northwestern manna grass |
| Glyceria striata (Lam.) A.S. Hitchc. [FNA24, H&C] |
5 |
fowl manna grass |
| Hesperostipa comata (Trin. & Rupr.) Barkworth ssp. comata [FNA24] |
2 |
needle and thread |
| Hesperostipa comata (Trin. & Rupr.) Barkworth ssp. intermedia (Scribn. & Tweedy) Barkworth [FNA24] |
3 |
Tweedy's needlegrass |
| Holcus lanatus L. [FNA24, H&C] |
1 |
common velvet grass |
| Holcus mollis L. ssp. mollis [FNA24, H&C] |
0 |
creeping velvet grass |
| Hordeum brachyantherum Nevski ssp. brachyantherum [FNA24] |
8 |
meadow barley |
| Hordeum depressum (Scribn. & J.G. Sm.) Rydb. [FNA24, H&C] |
1 |
dwarf barley |
| Hordeum jubatum L. ssp. jubatum [FNA24] |
1 |
foxtail barley |
| Hordeum marinum Huds. ssp. gussonianum (Parl.) Thellung [FNA24] |
6 |
mediterranean barley |
| Hordeum murinum L. ssp. glaucum (Steud.) Tzvelev [FNA24] |
5 |
mouse barley |
| Hordeum murinum L. ssp. leporinum (Link) Arcang. [FNA24] |
3 |
mouse barley |
| Hordeum murinum L. ssp. murinum [FNA24] |
2 |
mouse barley |
| Hordeum pusillum Nutt. [FNA24, H&C] |
2 |
little barley |
| Hordeum vulgare L. ssp. vulgare [FNA24] |
5 |
common barley |
| Koeleria macrantha (Ledeb.) J.A. Schultes [FNA24] |
7 |
prairie Koeler's grass |
| Leersia oryzoides (L.) Sw. [FNA24, H&C] |
2 |
rice cut grass |
| Leptochloa fusca (L.) Kunth ssp. fascicularis (Lam.) N. Snow [FNA24] |
7 |
bearded sprangletop |
| Leymus cinereus (Scribn. & Merr.) A. Löve [FNA24] |
5 |
Great Basin lyme grass |
| Leymus flavescens (Scribn. & J.G. Sm.) Pilger [FNA24] |
3 |
sand lyme grass |
| Leymus mollis (Trin.) Pilger ssp. mollis [FNA24] |
6 |
yellow ryegrass |
| Leymus racemosus (Lam.) Tzvelev [FNA24] |
4 |
mammoth lyme grass |
| Leymus triticoides (Buckl.) Pilger [FNA24] |
4 |
beardless lyme grass |
| Leymus ×vancouverensis (Vasey) Pilger (pro sp.) [FNA24] |
4 |
Vancouver wildrye |
| Lolium multiflorum Lam. [FNA24, H&C] |
7 |
annual ryegrass, Italian ryegrass |
| Lolium perenne L. [FNA24, H&C] |
2 |
perennial ryegrass, English ryegrass |
| Lolium temulentum L. ssp. temulentum [FNA24] |
4 |
darnel |
| Melica aristata Thurb. ex Boland. [FNA24, H&C] |
0 |
bearded melic grass |
| Melica bulbosa Geyer ex Porter & Coult. [FNA24] |
7 |
onion grass |
| Melica fugax Boland. [FNA24, H&C] |
3 |
small melic grass |
| Melica harfordii Boland. [FNA24, H&C] |
1 |
Harford's melic grass |
| Melica smithii (Porter ex Gray) Vasey [FNA24, H&C] |
2 |
Smith's melic grass |
| Melica spectabilis Scribn. [FNA24, H&C] |
2 |
showy melic grass |
| Melica subulata (Griseb.) Scribn. [FNA24] |
0 |
Alaska oniongrass |
| Muhlenbergia andina (Nutt.) Hitchc. [FNA25, H&C] |
1 |
foxtail muhly |
| Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi [FNA25, H&C] |
1 |
scratchgrass, or alkali muhly |
| Muhlenbergia filiformis (Thurb. ex S. Watson) Rydb. [FNA25, H&C] |
3 |
pull-up muhly |
| Muhlenbergia glomerata (Willd.) Trin. [FNA24, H&C] |
3 |
spiked muhly |
| Muhlenbergia mexicana (L.) Trin. var. filiformis (Willd.) Scribn. [FNA24] |
1 |
wirestem muhly |
| Muhlenbergia mexicana (L.) Trin. var. mexicana [FNA24] |
4 |
wirestem or Mexican muhly |
| Muhlenbergia minutissima (Steud.) Swallen [FNA24, H&C] |
3 |
least or annual muhly |
| Muhlenbergia racemosa (Michx.) B.S.P. [FNA24, H&C] |
1 |
green muhly |
| Muhlenbergia richardsonis (Trin.) Rydb. [FNA24, H&C] |
2 |
matted muhly |
| Oryzopsis asperifolia Michx. [FNA24, H&C] |
0 |
white-grain mountain-rice grass |
| Panicum capillare L. ssp. capillare [FNA24] |
3 |
witchgrass, or common panicgrass |
| Panicum dichotomiflorum Michx. ssp. dichotomiflorum [FNA24] |
3 |
fall panicum, western witchgrass |
| Panicum miliaceum L. ssp. miliaceum [FNA24] |
1 |
broomcorn, proso or hog millet, panic millet |
| Panicum miliaceum L. ssp. ruderale (Kitag.) Tzvelev [FNA24] |
1 |
broomcorn, hog millet, panic millet |
| Pascopyrum smithii (Rydb.) A. Löve [FNA24] |
7 |
western-wheat grass |
| Paspalum distichum L. [FNA25, H&C] |
3 |
knotgrass, Thompsongrass |
| Pennisetum glaucum (L.) R. Br. [FNA25] |
0 |
pearl millet |
| Pennisetum setaceum (Forssk.) Chiov. [FNA25, not in H&C] |
0 |
tender fountaingrass |
| Phalaris arundinacea L. [FNA24, H&C] |
3 |
reed canary grass |
| Phalaris canariensis L. [FNA24, H&C] |
0 |
common canary grass |
| Phalaris paradoxa L. [FNA24, H&C] |
1 |
mediterranean canary grass |
| Phleum alpinum L. [FNA24, H&C] |
3 |
mountain Timothy |
| Phleum pratense L. ssp. pratense [FNA24] |
4 |
common Timothy |
| Phragmites australis (Cav.) Trin. ex Steud. ssp. americanus Saltonstall, P.M. Peterson, & Soreng [FNA25] |
0 |
common reed |
| Phragmites australis (Cav.) Trin. ex Steud. ssp. australis [FNA25] |
3 |
common reed |
| Piptatherum exiguum (Thurb.) Dorn [FNA24] |
1 |
little mountain-rice grass |
| Pleuropogon refractus (Gray) Benth. ex Vasey [FNA24, H&C] |
1 |
nodding false semaphore grass |
| Poa alpina L. ssp. alpina [FNA24] |
1 |
alpine blue grass |
| Poa annua L. [FNA24, H&C] |
2 |
annual blue grass |
| Poa bolanderi Vasey [FNA24, H&C] |
1 |
Bolander's blue grass |
| Poa bulbosa L. ssp. vivipara (Koel.) Arcang. [FNA24] |
1 |
bulbous blue grass |
| Poa compressa L. [FNA24, H&C] |
0 |
flat-stem blue grass |
| Poa confinis Vasey [FNA24, H&C] |
0 |
coastline blue grass |
| Poa curtifolia Scribn. [FNA24, H&C] |
0 |
little mountain blue grass |
| Poa cusickii Vasey ssp. cusickii [FNA24] |
2 |
Cusick's bluegrass |
| Poa cusickii Vasey ssp. epilis (Scribn.) W.A. Weber [FNA24] |
2 |
skyline bluegrass |
| Poa cusickii Vasey ssp. pallida Soreng [FNA24] |
0 |
Cusick's bluegrass |
| Poa cusickii Vasey ssp. purpurascens (Vasey) Soreng [FNA24] |
1 |
Cusick's bluegrass |
| Poa fendleriana (Steud.) Vasey ssp. longiligula (Scribn. & Williams) Soreng [FNA24] |
3 |
muttongrass |
| Poa glauca Vahl ssp. rupicola (Nash ex Rydb.) W.A. Weber [FNA24, H&C] |
2 |
timberline bluegrass |
| Poa howellii Vasey & Scribn. [FNA24, H&C] |
2 |
Howell's blue grass |
| Poa interior Rydb. [FNA24] |
2 |
interior bluegrass |
| Poa laxiflora Buckl. [FNA24, H&C] |
0 |
loose-flower blue grass |
| Poa leibergii Scribn. [FNA24, H&C] |
1 |
Leiberg's blue grass |
| Poa leptocoma Trin. [FNA24, H&C] |
0 |
marsh blue grass |
| Poa lettermanii Vasey [FNA24, H&C] |
2 |
Letterman's blue grass |
| Poa macrantha Vasey [FNA24, H&C] |
2 |
sand-dune blue grass |
| Poa marcida A.S. Hitchc. [FNA24, H&C] |
1 |
withered blue grass |
| Poa nemoralis L. [FNA24, H&C] |
0 |
woodland bluegrass |
| Poa nervosa (Hook.) Vasey [FNA24, H&C] |
0 |
Hooker's blue grass |
| Poa palustris L. [FNA24, H&C] |
4 |
fowl blue grass |
| Poa paucispicula Scribn. & Merr. [FNA24] |
3 |
Alaska blue grass |
| Poa pratensis L. ssp. pratensis [FNA24] |
3 |
kentucky blue grass |
| Poa secunda J. Presl ssp. juncifolia (Scribn.) Soreng [FNA24] |
6 |
alkali bluegrass, big bluegrass, Nevada bluegrass |
| Poa secunda J. Presl ssp. secunda [FNA24] |
16 |
curly blue grass |
| Poa stenantha Trin. var. stenantha [FNA24, H&C] |
1 |
narrow-flower blue grass |
| Poa suksdorfii (Beal) Vasey ex Piper [FNA24, H&C] |
0 |
western blue grass |
| Poa trivialis L. [FNA24, H&C] |
0 |
rough-stalk blue grass |
| Poa unilateralis Scribn. ssp. pachypholis (Piper) D. D. Keck ex Soreng [FNA24] |
1 |
San Francisco blue grass |
| Poa wheeleri Vasey [FNA24] |
1 |
Wheeler's blue grass |
| Podagrostis aequivalvis (Trin.) Scribn. & Merr. [FNA24] |
1 |
Arctic bent |
| Podagrostis humilis (Vasey) Bj÷rkman [FNA24] |
1 |
alpine bent |
| Podagrostis thurberiana (A.S. Hitchc.) Hultén [FNA24] |
1 |
Thurber's bent |
| Polypogon australis Brongn. [FNA24, H&C] |
0 |
Chilean rabbit's-foot grass |
| Polypogon interruptus Kunth [FNA24, H&C] |
1 |
ditch rabbit's-foot grass |
| Polypogon monspeliensis (L.) Desf. [FNA, H&C] |
1 |
annual rabbit's-foot grass |
| Polypogon viridis (Gouan) Breistr. [FNA24] |
4 |
beardless rabbit's-foot grass |
| Psathyrostachys juncea (Fisch.) Nevski [FNA24] |
2 |
Russian-wild rye |
| ×Pseudelymus saxicola (Scribn. & J.G. Sm.) Barkworth & D.R. Dewey [FNA24, H&C] |
3 |
|
| Pseudoroegneria spicata (Pursh) Á. Löve [FNA24] |
10 |
bluebunch wheatgrass |
| Puccinellia distans (Jacq.) Parl. [FNA24] |
6 |
European alkali grass |
| Puccinellia lemmonii (Vasey) Scribn. [FNA24, H&C] |
0 |
Lemmon's alkali grass |
| Puccinellia nutkaensis (J. Presl) Fern. & Weatherby [FNA24, H&C] |
6 |
Nootka alkali grass |
| Puccinellia nuttalliana (J.A. Schultes) A.S. Hitchc. [FNA24, H&C] |
2 |
Nuttall's alkali grass |
| Puccinellia pumila (Vasey) A.S. Hitchc. [FNA24, H&C] |
5 |
dwarf alkali grass |
| Redfieldia flexuosa (Thurb. ex A. Gray) Vasey [FNA25] |
0 |
blowout grass |
| Schedonorus arundinaceus (Schreb.) Dumort. [FNA24] |
4 |
tall fescue |
| Schedonorus pratensis (Huds.) P. Beauv. [FNA24] |
3 |
meadow fescue |
| Schizachyrium scoparium (Michx.) Nash var. scoparium [FNA25] |
1 |
little bluestem, broom beardgras, broom bluestem |
| Sclerochloa dura (L.) Beauv. [FNA24, H&C] |
1 |
common hard grass |
| Scribneria bolanderi (Thurb.) Hack. [FNA24, H&C] |
0 |
Scribner's grass |
| Secale cereale L. [FNA24, H&C] |
2 |
cultivated rye |
| Setaria faberi R. A. W. Herrm. [FNA25] |
0 |
Chinese foxtail |
| Setaria italica (L.) P. Beauv. [FNA25] |
0 |
foxtail millet, Italian bristlegrass |
| Setaria pumila (Poir.) Roem. & Schult. ssp. pallidefusca [FNA25] |
0 |
yellow foxtail, pigeon grass |
| Setaria pumila (Poir.) Roem. & Schult. ssp. pumila [FNA25] |
2 |
yellow foxtail |
| Setaria verticillata (L.) P. Beauv. [FNA25, H&C] |
3 |
hooked bristlegrass, rough bristlegrass |
| Setaria viridis (L.) Beauv. var. viridis [FNA25] |
4 |
green bristlegrass |
| Sorghum bicolor (L.) Moench [FNA25] |
1 |
sorghum |
| Sorghum halepense (L.) Pers. [FNA25, H&C] |
1 |
Johnson grass |
| Spartina alterniflora Loisel. [FNA25, H&C] |
2 |
smooth or saltwater cordgrass |
| Spartina anglica C.E. Hubb. [FNA25, H&C] |
0 |
English cordgrass |
| Spartina densiflora Brongn. [FNA25] |
0 |
Chilean cordgrass |
| Spartina gracilis Trin. [FNA25, H&C] |
0 |
alkali cordgrass |
| Spartina patens (Aiton) Muhl. [FNA25] |
2 |
saltmeadow cordgrass |
| Spartina pectinata Bosc ex Link [FNA25, H&C] |
2 |
prairie or freshwater cordgrass |
| Spartina ×townsendii H. Groves & J. Groves [FNA25, H&C] |
0 |
Townsend's cordgrass |
| Sphenopholis intermedia (Rydb.) Rydb. [FNA24] |
2 |
slender wedgescale |
| Sphenopholis obtusata (Michx.) Scribn. [FNA24, H&C] |
3 |
prairie wedgescale |
| Sporobolus airoides (Torr.) Torr. [FNA25, H&C] |
1 |
alkali-sacaton |
| Sporobolus compositus (Poir.) Merr. var. compositus [FNA25] |
3 |
rough dropseed |
| Sporobolus cryptandrus (Torr.) A. Gray [FNA25, H&C] |
4 |
sand dropseed |
| Sporobolus neglectus Nash [FNA25, H&C] |
1 |
small dropseed |
| Taeniatherum caput-medusae (L.) Nevski [FNA24] |
3 |
medusa-head |
| Thinopyrum intermedium (Host) Barkworth & D.R. Dewey ssp. barbulatum (Schur) Barkworth & D.R. Dewey [FNA24] |
1 |
pubescent wheatgrass |
| Thinopyrum intermedium (Host) Barkworth & D.R. Dewey ssp. intermedium [FNA24] |
9 |
intermediate wheatgrass |
| Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang [FNA24] |
8 |
Eurasian quack grass |
| Torreyochloa pallida (Torr.) Church var. pauciflora (J. Presl) J.I. Davis |
8 |
weak alkaligrass |
| Triplasis purpurea (Walter) Chapm. var. purpurea [FNA25] |
0 |
purple sandgrass |
| Trisetum canescens Buckl. [FNA24, H&C] |
4 |
tall false oat |
| Trisetum cernuum Trin. [FNA24, H&C] |
0 |
nodding Trisetum |
| Trisetum cernuum Trin. [FNA24, H&C] |
0 |
nodding Trisetum |
| Trisetum flavescens (L.) Beauv. [FNA24, H&C] |
1 |
yellow false oat |
| Trisetum spicatum (L.) Richter [FNA24, H&C] |
21 |
narrow false oat |
| Trisetum wolfii Vasey [FNA24, H&C] |
0 |
beardless false oat |
| Triticum aestivum L. [FNA24, H&C] |
5 |
bread wheat |
| Vahlodea atropurpurea (Wahlenb.) Fries ex Hartman [FNA24] |
10 |
arctic-hair grass |
| Ventenata dubia (Leers) Coss [FNA24, H&C] |
2 |
Ventenata |
| Vulpia bromoides (L.) S.F. Gray [FNA24] |
4 |
brome six-weeks grass |
| Vulpia microstachys (Nutt.) Munro [FNA24] |
24 |
|
| Vulpia myuros (L.) K.C. Gmel. [FNA24] |
5 |
rat-tail six-weeks grass |
| Vulpia octoflora (Walt.) Rydb. var. hirtella (Piper) Henr. [FNA24] |
2 |
six-weeks fescue |
| Vulpia octoflora (Walt.) Rydb. var. octoflora [FNA24] |
3 |
six-weeks fescue |
| Zea mays L. ssp. mays [FNA24] |
1 |
corn, maize, Indian corn |
| Zizania palustris L. var. palustris [FNA24] |
2 |
northern wild rice |
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