Vascular Plants of Montana
Poaceae
Poaceae
Generated from PNW Herbaria database
November 28, 2020.
102 genus names
420 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)
Index to Genera:
A: Achnatherum, Aegilops, Agropyron, Agrostis, Alopecuris, Alopecurus, Andropogon, Anthoxanthum, Apera, Aristida, Arrhenatherum, Avena, Avenula
F: Festuca
G: Glyceria, Graphephorum
K: Koeleria
N: Nassella
O: Oryzopsis
P: Panicum, Parodiella, Pascopyrum, Paspalum, Phalaris, Phippsia, Phleum, Phragmites, Phyllostachys, Piptatheropsis, Pleuropogon, Poa, Podagrostis, Polypogon, Psathyrostachys, Pseudelymus, Pseudoroegnaria, Pseudoroegneria, Puccinellia
Achnatherum ×bloomeri (MONT; 1; 1965)
Achnatherum contractum (MONT, MONTU, RM, USFS; 5; 1921-2008)
Achnatherum hymenoides (ID, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 244; 1885-2011)
Achnatherum lemmonii (RM; 1; 1992)
ssp. lemmonii (RM; 1; 1992)
Achnatherum lettermanii (BOIS, ID, MONT, MONTU, OSC, RM, SRP, USFS; 22; 1895-2008)
Achnatherum nelsonii (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 304; 1883-2011)
ssp. dorei (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 128; 1894-2009)
ssp. nelsonii (ID, OSC, RM, SRP, USFS, WTU; 69; 1883-2011)
Achnatherum nevadense (RM; 1; 1997)
Achnatherum occidentale (LEA, MONT, MONTU, RM, USFS, WTU; 18; 1922-2013)
ssp. occidentale (MONTU; 2; 1974-2001)
ssp. pubescens (WTU; 1; 1976)
Achnatherum pinetorum (MONT; 4; 1932-1989)
Achnatherum richardsonii (BLMMD, ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 111; 1887-2009)
Achnatherum robustum (RM; 1; 2007)
Achnatherum thurberianum (MONT; 3; 1931-1943)
Aegilops cylindrica (MONT, RM, USFS; 11; 1952-2010)
Agropyron cristatum (ID, IDS, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 261; 1924-2018)
var. cristatum (RM, USFS; 73; 1994-2011)
Agropyron fragile (MONT, RM, USFS; 8; 1941-2011)
Agropyron latiglume × Agropyron scribneri (MONT; 1; 1963)
Agrostis alba (ID, MONT, MONTU, WTU, WWB; 18; 1905-1991)
Agrostis capillaris (ID, IDS, MONTU, OSC, RM, USFS, WTU; 16; 1888-2008)
Agrostis exarata (ID, MONT, MONTU, RM, SRP, USFS, WS, WTU; 174; 1879-2012)
Agrostis gigantea (ID, LEA, RM, USFS, WTU; 21; 1945-2010)
Agrostis hyemalis (IDS, RM, SRP, WTU; 6; 1891-1942)
Agrostis idahoensis (CIC, MONT, MONTU, NY, OSC, RM, USFS, WTU; 71; 1888-2016)
Agrostis mertensii (BLMMD, MONT, MONTU, RM, USFS; 17; 1968-2013)
Agrostis oregonensis (MONT, MONTU; 7; 1923-2010)
Agrostis pallens (MONTU, USFS; 5; 1936-2013)
Agrostis rossiae (MONTU; 2; 1969-1973)
Agrostis scabra (CIC, ID, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WS, WTU; 380; 1886-2017)
Agrostis stolonifera (ID, IDS, MONT, MONTU, OSC, RM, USFS, WTU; 211; 1887-2014)
Agrostis variabilis (ID, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 91; 1909-2012)
Alopecuris magellanicus (MONTU; 28; 1897-2011)
Alopecurus aequalis (ID, IDS, LEA, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 194; 1886-2010)
var. aequalis (RM; 6; 1993-2010)
Alopecurus arundinaceus (ID, MONT, MONTU, RM, USFS; 44; 1966-2011)
Alopecurus carolinianus (MONT, MONTU, RM, SRP, USFS, WTU; 34; 1888-2011)
Alopecurus geniculatus (ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 40; 1891-2011)
Alopecurus magellanicus (ID, MONT, RM, SRP, USFS, WTU; 41; 1889-2014)
Alopecurus pratensis (ID, MONT, MONTU, RM, SRP, USFS, WTU; 49; 1906-2008)
Andropogon gerardii (EWU, ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 104; 1890-2018)
ssp. hallii (MONT, MONTU, OSC, RM, SRP, USFS; 18; 1937-2011)
Anthoxanthum odoratum (MONTU; 3; 1957-1995)
Apera interrupta (ID, LEA, MONT, MONTU, RM, SRP, UBC, USFS, WTU; 46; 1949-2018)
Aristida purpurea (ID, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 151; 1887-2013)
var. fendleriana (ID, MONT, MONTU, RM, WTU; 19; 1899-2008)
var. longiseta (ID, LEA, MONT, RM, SRP, USFS, WTU; 101; 1887-2011)
Arrhenatherum elatius (ID, MONT, MONTU, USFS, V, WTU; 14; 1915-1999)
ssp. elatius (USFS; 1; 1951)
Avena fatua (ID, IDS, MONT, MONTU, RM; 28; 1900-2011)
Avena sativa (MONT, MONTU, RM, USFS; 7; 1898-1997)
Avenula hookeri (BOIS, ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 67; 1887-2011)
Beckmannia erucaeformis (WTU; 1; 1931)
Beckmannia syzigachne (CIC, ID, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 240; 1886-2014)
Bothriochloa ischaemum (MONT; 1; 1997)
Bouteloua barbata (MONT; 2; 1941)
Bouteloua curtipendula (EWU, ID, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 86; 1890-2018)
var. curtipendula (RM, SRP, USFS, WTU; 32; 1942-2010)
Bouteloua dactyloides (ID, MONT, MONTU, OSC, RM, USFS, WTU; 77; 1903-2011)
Bouteloua gracilis (BOIS, ID, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 282; 1890-2015)
Bouteloua hirsuta (RM, USFS; 3; 1986-2009)
var. hirsuta (RM, USFS; 2; 2007-2009)
Bromus anomalus (ID, MONT, MONTU, OSC, SRP, WTU; 45; 1886-2008)
Bromus biebersteinii (MONTU; 1; 1980)
Bromus briziformis (LEA, MONT, MONTU, OSC, RM, USFS, WTU; 33; 1906-2008)
Bromus ciliatus (ID, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 155; 1887-2019)
Bromus commutatus (ID, MONT, MONTU, RM, USFS, WTU; 45; 1946-2014)
Bromus diandrus (MONT, MONTU; 3; 1936-1957)
Bromus hordeaceus (ID, MONT, MONTU, RM, USFS, WTU; 44; 1892-2014)
Bromus inermis (ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, UAAH, UBC, USFS, WTU; 301; 1805-2011)
Bromus japonicus (BOIS, ID, MONT, MONTU, RM, SRP, USFS, WTU; 252; 1921-2014)
Bromus porteri (ID, MONT, MONTU, RM, SRP, USFS; 66; 1889-2011)
Bromus pubescens (RM, USFS; 4; 1920-2007)
Bromus pumpellianus (BLMMD, ID, IDS, MONT, MONTU, NY, OSC, RM, USFS, WTU; 77; 1883-2011)
ssp. pumpellianus (WTU; 3; 1938-1977)
var. lanata (NY; 2; 1895)
Bromus racemosus (ID, WTU; 3; 1936-1955)
Bromus richardsonii (RM, USFS, WTU; 9; 1897-2011)
Bromus rubens (OSC; 1; 1931)
Bromus secalinus (MONT, MONTU, RM; 13; 1887-1999)
Bromus sitchensis (BOIS, EWU, ID, LEA, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU; 344; 1885-2017)
var. carinatus (BOIS, EWU, ID, LEA, MONT, MONTU, RM, SRP, USFS, WTU; 314; 1885-2017)
var. marginatus (ID, MONT, MONTU, NY, SRP, WTU; 29; 1887-2014)
var. maritimus (OSC; 1; 1938)
Bromus squarrosus (BLMMD, MONT, MONTU, RM, USFS, WTU; 43; 1922-2018)
Bromus suksdorfii (RM; 1; 1986)
Bromus tectorum (ID, IDS, LEA, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU; 397; 1898-2018)
Bromus vulgaris (EWU, HPSU, ID, MONT, MONTU, RM, SRP, UBC, USFS, WTU; 83; 1908-2017)
Calamagrostis canadensis (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 317; 1886-2013)
var. canadensis (MONT, MONTU, OSC, RM, USFS, WTU; 40; 1886-2013)
var. langsdorffii (MONT, RM, SRP, USFS, WTU; 29; 1938-2008)
Calamagrostis koelerioides (WTU; 1; 1947)
Calamagrostis montanensis (ID, MONT, MONTU, NY, OSC, RM, SRP, UBC, USFS, WTU; 108; 1883-2014)
Calamagrostis purpurascens (BOIS, ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, V, WTU; 206; 1887-2011)
Calamagrostis rubescens (BOIS, ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 123; 1885-2018)
Calamagrostis scopulorum (MONT, MONTU, OSC, RM, WTU; 9; 1957-2011)
Calamagrostis scribneri (WTU; 1; 1931)
var. dubia (WTU; 1; 1931)
Calamagrostis sesquiflora (WTU; 1; 1947)
Calamagrostis stricta (BOIS, CIC, ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 147; 1886-2011)
ssp. inexpansa (BOIS, ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 60; 1893-2010)
ssp. stricta (CIC, WTU; 3; 1895-1979)
var. inexpansa (WTU; 1; 1947)
Calamagrostis tweedyi (BOIS, ID, MONT, MONTU, OSC, RM, USFS; 32; 1938-1997)
Calamovilfa longifolia (EWU, ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 197; 1886-2017)
var. longifolia (MONTU, RM, SRP, USFS; 79; 1996-2011)
Catabrosa aquatica (ID, IDS, MONT, MONTU, RM, USFS, WTU; 97; 1887-2016)
ssp. aquatica (MONT; 1; 1997)
Cenchrus longispinus (MONT, MONTU, RM; 7; 1924-1991)
Cenchrus spinifex (WTU; 1; 1946)
Cenchrus tribuloides (MONTU; 1; ?)
Chloris verticillata (MONTU; 1; 2017)
Cinna latifolia (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 94; 1888-2010)
Crypsis alopecuroides (MONT, MONTU, OSC, RM; 22; 1959-2019)
Cynodon dactylon (MONT; 2; 1978-1982)
Cynosurus cristatus (MONTU, WTU; 2; 1982)
Dactylis glomerata (ID, IDS, LEA, MONT, MONTU, RM, SRP, USFS, WTU; 168; 1892-2010)
Danthonia californica (ID, MONT, MONTU, OSC, RM, SRP, USFS, WS, WTU; 92; 1887-2014)
Danthonia elongata (MONT; 1; 2004)
Danthonia intermedia (BBLM, BOIS, ID, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 253; 1887-2014)
Danthonia parryi (ID, MONT, MONTU, WTU; 9; 1932-1998)
Danthonia spicata (ID, MONT, MONTU, RM, USFS; 39; 1942-2011)
Danthonia unispicata (ID, MONT, MONTU, RM, SRP, USFS, WTU; 146; 1886-2011)
Deschampsia cespitosa (ID, IDS, LEA, MONT, MONTU, RM, SRP, UBC, USFS, WTU, WWB; 389; 1886-2014)
Deschampsia danthonioides (ID, MONT, MONTU, RM, USFS, WTU; 33; 1902-2005)
Deschampsia elongata (ID, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 145; 1889-2011)
Dichanthelium acuminatum (ID, MONT, MONTU, OSC, RM; 21; 1887-2016)
ssp. acuminatum (ID, OSC, RM; 3; 1899-1994)
ssp. fasciculatum (RM; 2; 1985)
ssp. sericeum (MONT, MONTU; 5; 1887-2016)
Dichanthelium oligosanthes (MONT, MONTU, RM, USFS, WTU; 15; 1921-2010)
ssp. scribnerianum (MONT, MONTU, RM, USFS, WTU; 13; 1921-2010)
Dichanthelium scoparium (MONTU; 1; 2016)
Dichanthelium wilcoxianum (MONT, MONTU; 7; 1977-2017)
Digitaria ischaemum (MONT, MONTU, WTU, WWB; 18; 1891-2013)
Digitaria sanguinalis (ID, MONT, MONTU, WTU; 12; 1900-2000)
Diplachne fusca (MONT, MONTU; 6; 1943-2000)
ssp. fascicularis (MONT, MONTU; 6; 1943-2000)
Distichlis spicata (MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 159; 1886-2011)
Echinochloa crus-galli (ID, MONT, MONTU, OSC, RM, USFS, WTU; 86; 1887-2010)
Echinochloa muricata (IDS, MONT, OSC, RM, SRP, USFS; 36; 1899-2011)
var. microstachya (IDS, RM, SRP, USFS; 33; 1899-2011)
Eleusine indica (MONT; 1; 2004)
×Elyhordeum macounii (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 41; 1891-2010)
Elymus albicans (ID, MONT, MONTU, NY, RM, USFS; 30; 1887-2011)
Elymus aristatus × Elymus macounii (WTU; 1; 1955)
Elymus bakeri (MONT, SRP, WTU; 4; 1901-1948)
Elymus canadensis (ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 154; 1887-2017)
var. canadensis (RM, USFS; 37; 1997-2011)
var. robustus (MONT; 1; ?)
Elymus caninus (MONT; 3; 1946-1962)
Elymus curvatus (MONT, USFS; 2; 1898-2009)
Elymus elymoides (BBLM, CIC, ID, LEA, MONT, MONTU, NY, OSC, RM, SRP, USFS, WCW, WTU; 244; 1887-2016)
ssp. brevifolius (MONT, MONTU, RM, WTU; 25; 1948-2011)
ssp. elymoides (CIC, WTU; 8; 1946-2016)
var. elymoides (RM, SRP, USFS; 73; 1904-2011)
Elymus elymoides × Elymus latiglume (WTU; 1; 1947)
Elymus glaucus (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 217; 1897-2014)
ssp. glaucus (ID, MONT, MONTU, RM, SRP, USFS, WTU; 63; 1946-2011)
Elymus glaucus × Elymus trachycaulis (WTU; 1; 1921)
Elymus ×hansenii (USFS; 1; 1940)
Elymus hispidus (RM, USFS; 29; 1984-2011)
var. hispidus (RM, USFS; 29; 1984-2011)
Elymus lanceolatus (ID, MONT, MONTU, NY, RM, SRP, USFS, WTU; 196; 1886-2011)
ssp. lanceolatus (ID, MONT, MONTU, SRP; 82; 1901-2009)
ssp. riparius (MONT, NY, RM, USFS, WTU; 53; 1886-2011)
var. lanceolatus (RM, USFS; 56; 1895-2011)
Elymus macrourus (MONT; 1; 1901)
Elymus ×pseudorepens (ID, MONT, MONTU; 3; 2003)
Elymus repens (ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WS, WTU; 129; 1901-2011)
Elymus ×saundersii (RM; 2; 2011)
Elymus ×saxicolus (RM, USFS; 3; 1965-2008)
Elymus scribneri (BBLM, ID, IDS, LEA, MONT, MONTU, NY, OSC, RM, USFS, WTU; 126; 1883-2016)
Elymus sibiricus (NY; 2; 1883)
Elymus trachycaulus (EWU, ID, IDS, MONT, MONTU, NY, OSC, RM, SRP, USFS, V, WTU; 636; 1883-2017)
ssp. subsecundus (MONT, NY, RM, SRP, USFS, WTU; 30; 1883-2011)
ssp. trachycaulus (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 379; 1888-2011)
Elymus trachycaulus × Elymus scribneri (ID, MONT; 7; 1901-1960)
Elymus villosus (RM, USFS; 3; 2001-2009)
Elymus violaceus (ID, MONT, MONTU, NY, RM, V, WTU; 35; 1886-2009)
Elymus virginicus (ID, MONT, MONTU, RM, USFS; 28; 1888-2010)
var. jejunus (MONT, RM, USFS; 12; 1953-2010)
Eragrostis cilianensis (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 79; 1887-2017)
Eragrostis hypnoides (ID, MONT, MONTU, RM, SRP; 16; 1941-2019)
Eragrostis minor (MONT, MONTU, RM, SRP; 18; 1957-2017)
Eragrostis pectinacea (MONT, MONTU, OSC, RM, SRP, WTU; 14; 1942-2017)
var. pectinacea (OSC; 1; 1980)
Eragrostis tef (MONT; 1; 1990)
Eragrostis unioloides (MONT; 1; ?)
Eremopyrum triticeum (ID, MONT, MONTU, OSC, RM, USFS, WTU; 25; 1929-2018)
Eriochloa michauxii (WCW; 2; 1970)
Festuca baffinensis (ID, MONT, MONTU, RM, WTU; 49; 1897-2013)
Festuca brachyphylla (ID, MONT, MONTU, RM, USFS, WTU; 74; 1894-2008)
ssp. coloradensis (RM, USFS; 34; 1913-2008)
Festuca campestris (IDS, LEA, MONT, MONTU, RM, SRP, WTU; 110; 1887-2010)
Festuca doreana (BOIS, ID, OSC; 5; 1921-1978)
var. doreana (ID; 2; 1978)
Festuca elmeri (ID; 1; 1971)
Festuca hallii (RM; 1; 2011)
Festuca idahoensis (ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WCW, WTU; 665; 1887-2019)
Festuca minutiflora (RM, SRP; 16; 2007-2008)
Festuca occidentalis (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 88; 1901-2008)
Festuca ovina (ID, LEA, MONT, MONTU, WTU; 17; 1897-1986)
Festuca rubra (ID, MONT, MONTU, NY, OSC, RM, USFS, WTU; 86; 1895-2015)
ssp. arenaria (ID, RM, USFS; 6; 1957-2007)
ssp. rubra (RM, USFS; 17; 1996-2009)
ssp. vallicola (NY, RM; 4; 1895)
Festuca saximontana (MONT, RM, SRP, USFS, WTU; 55; 1895-2011)
var. purpusiana (WTU; 6; 1945-1964)
var. saximontana (MONT, RM, SRP, USFS, WTU; 48; 1895-2011)
Festuca scabrella (ID, MONT, MONTU, OSC, SRP, WTU; 129; 1891-1994)
Festuca subulata (ID, MONT, MONTU, OSC, RM, USFS; 29; 1894-2008)
Festuca viridula (ID, LEA, MONT, MONTU, RM, USFS, WTU; 38; 1916-2011)
Festuca vivipara (ID, WTU; 3; 1960-1964)
Festuca viviparoidea (MONTU; 8; 1949-1995)
Glyceria borealis (ID, MONT, MONTU, RM, USFS, WTU; 70; 1892-2011)
Glyceria elata (ID, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU, WWB; 101; 1896-2008)
Glyceria grandis (BABY, ID, IDS, MONT, MONTU, NY, OSC, RM, USFS, V, WCW, WTU; 162; 1886-2009)
var. grandis (RM; 6; 2007-2009)
Glyceria maxima (MONTU; 1; ?)
Glyceria striata (ID, MONT, MONTU, NY, OSC, RM, SRP, USFS, V, WTU; 229; 1886-2016)
Graphephorum wolfii (ID, MONT, MONTU, RM, SRP, USFS, WTU; 75; 1887-2018)
Hesperostipa comata (BOIS, ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU, WWB; 333; 1887-2011)
ssp. comata (ID, OSC, RM, SRP, UBC, USFS, WTU; 186; 1895-2011)
ssp. intermedia (MONT, MONTU, RM, USFS, WTU; 23; 1897-2008)
Hesperostipa curtiseta (ID, MONT, RM, SRP, USFS, WTU; 31; 1892-2011)
Hesperostipa spartea (MONT, MONTU, RM, USFS; 15; 1985-2011)
Hierochloe alpina (IDS; 1; 1978)
var. alpina (IDS; 1; 1978)
Hierochloe odorata (MONT, MONTU, RM, UBC, USFS, WTU; 79; 1886-2014)
Holcus lanatus (MONT, MONTU, USFS, WTU; 10; 1942-1979)
Hordeum brachyantherum (ID, MONT, MONTU, RM, SRP, USFS, WTU; 92; 1891-2011)
Hordeum jubatum (ID, IDS, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU; 363; 1886-2013)
ssp. intermedium (RM, SRP, USFS; 80; 1906-2011)
ssp. jubatum (MONTU, RM, SRP, USFS; 99; 1971-2011)
Hordeum marinum (MONT; 1; 1949)
ssp. gussoneanum (MONT; 1; 1949)
Hordeum murinum (MONTU; 1; 2016)
ssp. leporinum (MONTU; 1; 2016)
Hordeum pusillum (MONT, MONTU, RM, SRP, USFS, WTU; 42; 1898-2011)
Hordeum vulgare (MONT, MONTU, RM; 8; 1956-2010)
var. vulgare (RM; 1; 2010)
Horedum brachyantherum (LEA; 1; 1968)
Koeleria macrantha (HPSU, ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 654; 1887-2014)
Leersia oryzoides (MONT, MONTU, RM, USFS, WTU; 8; 1966-2007)
Leucopoa kingii (BBLM, BOIS, ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, V, WTU; 127; 1895-2016)
Leymus cinereus (BLMMD, ID, LEA, MONT, MONTU, OSC, RM, USFS, WTU, WWB; 133; 1886-2014)
Leymus condensatus (MONTU, OSC; 3; 1901-1996)
Leymus flavescens (MONT, MONTU, WTU; 6; 1962-2010)
Leymus innovatus (MONT, MONTU, RM; 6; 1955-2017)
Leymus mollis (WTU; 1; 1954)
ssp. mollis (WTU; 1; 1954)
Leymus ×multiflorus (ID, MONTU; 6; 1956-1977)
Leymus racemosus (MONT; 1; 1999)
Leymus triticoides (IDS, MONTU, RM; 4; 1949-1999)
Lolium multiflorum (ID, MONT, MONTU, OSC, USFS, WTU; 19; 1888-2008)
Lolium perenne (MONT, MONTU, USFS; 16; 1900-2003)
Lolium persicum (IDE, MONT, WTU; 27; 1954-2013)
Lolium temulentum (LEA, MONT; 3; 1954-1968)
Melica bulbosa (IDS, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 48; 1888-2016)
Melica smithii (MONT, MONTU, RM, USFS; 11; 1895-1995)
Melica spectabilis (BLMMD, ID, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU; 189; 1883-2016)
Melica subulata (ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 79; 1888-2007)
Molineriella laevis (OSC; 1; 1966)
Muhlenbergia andina (MONT, MONTU, RM, WTU; 11; 1888-1985)
Muhlenbergia asperifolia (ID, MONT, MONTU, RM, SRP, USFS, WTU; 77; 1886-2013)
Muhlenbergia cuspidata (MONT, MONTU, OSC, RM, SRP, USFS, WTU; 70; 1886-2010)
Muhlenbergia filiformis (ID, MONT, MONTU, NY, OSC, RM, WTU; 37; 1898-2019)
Muhlenbergia glomerata (ID, MONT, MONTU, RM, USFS; 28; 1887-2009)
Muhlenbergia mexicana (USFS; 1; 2001)
Muhlenbergia minutissima (ID, MONT, MONTU, RM; 5; 1895-1993)
Muhlenbergia montana (MONT; 1; ?)
Muhlenbergia racemosa (MONT, MONTU, OSC, RM, SRP, USFS; 34; 1887-2010)
Muhlenbergia richardsonis (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 97; 1886-2010)
Muhlenbergia tacemosa (MONT; 1; 1892)
Munroa squarrosa (IDE, MONT, MONTU, RM, SRP; 50; 1891-2013)
Nassella viridula (EWU, ID, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 312; 1887-2018)
Oryzopsis asperifolia (BOIS, ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 66; 1892-2011)
Panicum capillare (MONT, MONTU, RM, USFS, WTU; 92; 1885-2014)
ssp. capillare (MONT, MONTU, RM, USFS, WTU; 17; 1890-2014)
Panicum dichotomiflorum (MONTU; 1; 1957)
Panicum lanuginosum (WTU; 1; 1964)
var. sericeum (WTU; 1; 1964)
Panicum miliaceum (MONT, MONTU, USFS; 16; 1921-2010)
Panicum virgatum (ID, IDS, MONT, MONTU, RM, USFS; 39; 1901-2018)
var. aridum (MONT; 1; 1903)
Parodiella fruticola (NY; 6; 1888)
Pascopyrum smithii (BOIS, EWU, ID, IDS, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU; 384; 1888-2018)
Paspalum setaceum (ID; 2; 1938)
Phalaris arundinacea (ID, IDS, MONT, MONTU, OSC, RM, USFS, WCW, WTU; 145; 1886-2011)
Phalaris canariensis (MONT, MONTU, RM, USFS; 14; 1887-2003)
Phippsia algida (MONT, MONTU, RM, WTU; 12; 1980-2015)
Phleum alpinum (ID, IDE, MONT, MONTU, RM, SRP, USFS, WTU; 292; 1886-2014)
var. alpinum (RM, USFS; 58; 1994-2011)
Phleum pratense (ID, IDE, IDS, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 289; 1886-2013)
ssp. pratense (MONTU; 1; 2008)
var. pratense (RM, USFS; 125; 1895-2011)
Phragmites australis (MONT, MONTU, OSC, RM, USFS, WTU; 43; 1885-2019)
ssp. australis (MONTU; 2; 2014)
Phyllostachys edulis (MONT; 1; ?)
Piptatheropsis exigua (ID, IDS, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 115; 1888-2017)
Piptatheropsis micrantha (MONT, MONTU, RM, SRP, USFS, WTU; 45; 1887-2011)
Pleuropogon sabinei (MONT; 1; 1939)
Poa abbreviata (ID, IDS, LEA, MONT, MONTU, RM, SRP, USFS, WTU; 76; 1887-2008)
ssp. pattersonii (ID, IDS, LEA, MONT, MONTU, RM, SRP, USFS, WTU; 76; 1887-2008)
Poa alpina (BLMMD, BOIS, ID, IDS, MONT, MONTU, NY, OSC, RM, SRP, USFS, V, WTU; 269; 1883-2009)
ssp. alpina (WTU; 9; 1936-1971)
var. alpina (RM, USFS; 30; 2002-2008)
Poa annua (ID, MONT, MONTU, RM, USFS, WTU; 61; 1914-2015)
Poa arctica (BLMMD, ID, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU; 71; 1897-2013)
ssp. arctica (NY, RM, USFS, WTU; 7; 1897-2008)
ssp. grayana (BLMMD, ID, MONT, OSC, RM, SRP, USFS; 18; 1897-2008)
Poa arida (ID, MONT, MONTU, RM, SRP, USFS, WTU; 99; 1887-2011)
Poa bulbosa (ID, LEA, MONT, MONTU, RM, USFS, V, WTU; 101; 1938-2018)
ssp. vivipara (RM, USFS, WTU; 31; 1947-2010)
Poa cambyi (MONT; 3; 1924-1951)
Poa canybi (LEA; 2; 1968-1971)
Poa compressa (ID, IDS, MONT, MONTU, RM, SRP, USFS, WTU; 193; 1890-2014)
Poa cusickii (EWU, ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 241; 1892-2014)
ssp. cusickii (ID, WTU; 2; 1958-1976)
ssp. epilis (ID, IDS, OSC, RM, SRP, USFS, WTU; 88; 1903-2009)
ssp. pallida (MONT, RM, SRP, USFS, WTU; 60; 1921-2011)
ssp. subaristata (ID, OSC; 7; 1921-1971)
var. subaristata (SRP; 2; 1934-1945)
Poa fendleriana (ID, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 221; 1887-2011)
ssp. fendleriana (RM, USFS; 7; 2007-2010)
ssp. longiligula (OSC; 1; 1938)
Poa glauca (ID, IDS, LEA, MONT, MONTU, OSC, RM, USFS, WTU; 169; 1897-2013)
ssp. glauca (RM; 1; 2011)
ssp. rupicola (ID, IDS, LEA, MONT, MONTU, OSC, RM, USFS, WTU; 69; 1912-2008)
Poa interior (BLMMD, BOIS, CIC, HPSU, ID, IDS, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 308; 1884-2016)
Poa laxa (MONT, MONTU; 2; 1903-1982)
Poa leptocoma (ID, MONT, MONTU, RM, USFS, WTU; 62; 1898-2018)
Poa lettermanii (MONT, MONTU, WTU; 20; 1953-2016)
Poa nemoralis (MONT, RM, SRP, USFS, WTU; 16; 1888-2008)
Poa nervosa (ID, LEA, MONT, MONTU, OSC, SRP, WTU; 35; 1897-1992)
Poa nevadensis > Poa juncifolia (WTU; 1; 1938)
Poa obvallata (MONT; 1; 1922)
Poa palustris (CIC, ID, IDS, LEA, MONT, MONTU, RM, SRP, USFS, WTU; 272; 1855-2013)
Poa paucispicula (RM, WTU; 2; 1971-1976)
Poa pratensis (ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 574; 1887-2014)
ssp. agassizensis (MONT; 1; 1979)
ssp. alpigena (MONT; 3; 1915-1979)
ssp. angustifolia (MONT; 1; 1979)
Poa pratensis × Poa wheeleri (RM; 1; 1996)
Poa reflexa (BLMMD, BOIS, ID, IDS, LEA, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU; 117; 1886-2009)
Poa secunda (BOIS, HPSU, ID, IDS, LEA, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU; 1392; 1883-2018)
ssp. juncifolia (HPSU, ID, IDS, MONT, MONTU, RM, SRP, USFS, WTU; 291; 1895-2011)
ssp. secunda (BOIS, ID, IDS, LEA, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU; 421; 1883-2011)
var. secunda (MONT; 2; 1994)
Poa serahina (WWB; 1; 1895)
Poa stenantha (MONT, RM, USFS, WTU; 14; 1913-2008)
var. stenantha (USFS, WTU; 3; 1971-2008)
Poa trivialis (MONT, MONTU, NY, RM, WTU; 13; 1895-2008)
Poa wheeleri (EWU, ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 213; 1892-2017)
Podagrostis humilis (MONT, MONTU, RM, USFS, WTU; 128; 1906-2018)
Podagrostis thurberiana (ID, LEA, MONT, MONTU, OSC, SRP, WTU; 17; 1897-2005)
Polypogon monspeliensis (ID, IDS, MONT, MONTU, RM, SRP, USFS, WTU; 62; 1887-2016)
Psathyrostachys juncea (MONT, MONTU, RM, USFS; 12; 1941-2017)
×Pseudelymus saxicola (MONT, MONTU, NY; 3; 1954-1985)
Pseudoroegnaria spicata (ID; 1; 1983)
Pseudoroegneria spicata (ID, IDS, LEA, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU; 458; 1887-2014)
Puccinellia distans (ID, MONT, MONTU, RM; 57; 1901-2011)
Puccinellia lemmonii (MONT, MONTU; 7; 1997-2015)
Puccinellia nuttalliana (ID, MONT, MONTU, NY, RM, SRP, USFS, WTU; 112; 1887-2011)
Saccharum baldwinii (MONT; 1; 1928)
Schedonnardus paniculatus (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 92; 1888-2011)
Schedonorus arundinaceus (MONT, MONTU, RM, USFS, WTU; 49; 1947-2010)
Schedonorus pratensis (ID, LEA, MONT, MONTU, RM, UBC, USFS; 58; 1895-2011)
Schizachne purpurascens (IDS, MONT, MONTU, RM, USFS, WTU; 30; 1889-2011)
Schizachyrium scoparium (ID, MONT, MONTU, OSC, RM, SRP, USFS, WS, WTU; 126; 1886-2011)
var. scoparium (ID, OSC, RM, SRP, USFS, WS; 68; 1900-2011)
Sclerochloa dura (MONT, MONTU; 7; 1965-2015)
Scolochloa festucacea (MONTU; 3; 1949-1999)
Secale cereale (MONT, MONTU, RM; 12; 1903-2008)
Setaria italica (MONT, MONTU, USFS; 4; 1969-2004)
Setaria pumila (MONT, MONTU, RM, WTU; 16; 1924-2008)
ssp. pumila (RM, WTU; 3; 1945-2008)
Setaria verticillata (ID, MONT, WTU; 10; 1950-2004)
Setaria viridis (ID, MONT, MONTU, RM, USFS, WTU; 95; 1887-2013)
Sorghum bicolor (MONT, MONTU; 3; 1980-2010)
Sorghum halepense (MONT; 1; 1917)
Spartina cynosuroides (MONT, RM; 2; 1901-1913)
Spartina gracilis (ID, MONT, MONTU, RM, SRP, USFS, WTU; 65; 1886-2011)
Spartina pectinata (MONT, MONTU, OSC, RM, USFS, WTU; 89; 1886-2011)
Sphenopholis intermedia (MONT, MONTU, NY, RM; 16; 1887-2010)
Sphenopholis obtusata (ID, MONT, MONTU, RM, USFS, WTU; 42; 1883-2011)
Sporobolus airoides (ID, MONT, MONTU, RM, SRP, USFS, WTU; 77; 1890-2017)
Sporobolus brevifolius (MONTU; 1; ?)
Sporobolus compositus (MONT, OSC, SRP; 3; 1939-2013)
Sporobolus cryptandrus (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 88; 1885-2013)
Sporobolus dryptandrus (MONT; 1; 1965)
Sporobolus neglectus (MONT, MONTU; 6; 1927-2012)
Taeniatherum caput-medusae (MONTU; 1; 2015)
Thinopyrum elongatum (MONT, RM; 4; 1948-1978)
Thinopyrum intermedium (MONT, MONTU, NY, RM, USFS; 57; 1918-2011)
ssp. barbulatum (MONT; 6; 1953-1999)
Thinopyrum ponticum (NY, RM, USFS, WTU; 12; 1948-2010)
Torreyochloa pallida (CIC, ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 93; 1887-2016)
var. pauciflora (CIC, ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 91; 1887-2011)
Tridens flavus (MONT; 1; 1900)
Trisetum canescens (ID, MONT, MONTU, RM, SRP, USFS, WTU; 65; 1892-2009)
Trisetum cernuum (ID, MONT, MONTU, RM, USFS, WTU; 37; 1894-1997)
Trisetum orthochaetum (MONT, MONTU; 9; 1949-1994)
Trisetum spicatum (BOIS, ID, IDS, LEA, MONT, MONTU, RM, SRP, USFS, WTU; 329; 1888-2014)
Triticum aestivum (MONT, MONTU, RM; 28; 1898-2010)
Vahlodea atropurpurea (ID, IDS, LEA, MONT, MONTU, OSC, RM, USFS, WTU; 125; 1886-2019)
Ventenata dubia (MONT, MONTU, RM, SRP; 21; 1995-2018)
Vulpia bromoides (MONT; 1; 1983)
Vulpia microstachys (ID, MONT; 2; 1981)
Vulpia myuros (MONT, MONTU; 5; 1946-2005)
Vulpia octoflora (ID, IDS, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 181; 1887-2011)
var. hirtella (MONTU, RM, USFS; 9; 1921-2008)
var. octoflora (IDS, MONTU, RM, SRP, USFS; 49; 1894-2011)
var. tenella (MONT, RM, USFS, WTU; 20; 1901-2011)
Zea mays (MONTU; 3; 1956-1966)
Zizania palustris (MONT, MONTU, RM; 7; 1983-2008)