Vascular Plants of Idaho
Poaceae
Poaceae
Generated from PNW Herbaria database
November 28, 2020.
105 genus names
519 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)
Index to Genera:
A: Achnatherum, Acnatherum, Aegilops, Agropyron, Agrostis, Aira, Alopecurus, Anthoxanthum, Apera, Aristida, Arrhenatherum, Avena
F: Festuca
G: Glyceria, Graphephorum
O: Oryzopsis
P: Panicum, Pascopyrum, Paspalum, Pennisetum, Phalaris, Phleum, Phragmites, Piptatheropsis, Poa, Podagrostis, Polypogon, Psathyrostachys, Pseudelymus, Pseudoroegnaria, Pseudoroegneria, Puccinellia
Achnatherum ×bloomeri (CRMO, ID, IDS, OSC, SRP; 19; 1932-2006)
Achnatherum hymenoides (BBLM, BBLM-OWY, BOIS, CIC, CRMO, ID, IDE, IDS, MONT, NY, OSC, RM, SRP, UBC, WS, WTU, WWB; 287; 1901-2019)
Achnatherum lemmonii (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, ID, IDS, RM, SRP, WS, WTU; 92; 1933-2020)
ssp. lemmonii (BBLM, BBLM-OWY, CIC, ID, IDS, RM, SRP, WS; 36; 1937-2020)
Achnatherum lettermanii (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, ID, IDS, NY, RM, SRP, WS, WTU, WWB; 144; 1885-2020)
Achnatherum nelsonii (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, ID, IDS, MONT, NY, OSC, RM, SBLM, SRP, WS, WTU, WWB; 404; 1895-2020)
ssp. dorei (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, ID, IDS, MONT, OSC, RM, SRP, WS, WTU; 179; 1895-2020)
ssp. nelsonii (BBLM, BOIS, CIC, CIC-PYNF, CRMO, ID, IDS, NY, OSC, RM, SBLM, SRP, WS, WTU; 132; 1927-2020)
Achnatherum nevadense (BOIS, ID, IDS, SRP, WTU; 15; 1938-2019)
Achnatherum occidentale (BBLM, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDE, IDS, MONT, NY, RM, SRP, UBC, WS, WTU; 304; 1900-2020)
ssp. californicum (CIC, CIC-SHO, CRMO, ID, IDS, SRP, WS; 52; 1900-2020)
ssp. occidentale (BOIS, CIC, ID, IDS, SRP, WS, WTU; 64; 1927-2017)
ssp. pubescens (CIC, CRMO, ID, IDS, SRP, WS, WTU; 50; 1936-2019)
Achnatherum pinetorum (CIC, CRMO, ID, IDS, MONT, RM, SBLM, SRP; 33; 1911-2016)
Achnatherum richardsonii (BOIS, CIC, CIC-PYNF, ID, IDS, MONT, OSC, RM, SRP, WS, WTU; 21; 1939-2011)
Achnatherum swallenii (BBLM, CIC, COLO, ID, IDS, MONTU, NY, OSC, RM, SRP, UBC, WS, WTU; 42; 1941-2009)
Achnatherum thurberianum (BBLM, BBLM-OWY, BOIS, CIC, CRMO, ID, IDS, MONT, NY, OSC, RM, SBLM, SRP, WS, WTU; 160; 1929-2018)
Achnatherum webberi (BBLM, CIC, CIC-SHO, CRMO, ID, IDS, SRP, WS; 40; 1937-2013)
Acnatherum occidentalis (ID; 1; 2015)
var. occidentalis (ID; 1; 2015)
Aegilops cylindrica (BBLM, BBLM-OWY, BOIS, CIC, ID, IDE, IDS, NY, RM, SRP, WTU; 44; 1952-2019)
Agropyron cristatum (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDS, NY, OSC, RM, SBLM, SRP, USFS, WCW, WS, WTU, WWB; 168; 1934-2019)
var. cristatum (ID, RM; 6; 1991-2010)
Agropyron fragile (CIC, CIC-SHO, IDS, RM, USFS; 9; 1941-2019)
Agropyron pauciflorum × Agropyron subsecundum (WTU; 1; 1944)
Agropyron scribneri × Agropyron violaceum (WTU; 1; 1944)
Agropyron spicatum × Sitanion hystrix (WTU; 1; 1963)
Agrostis alba (BBLM, BOIS, ID, SRP, WTU; 54; 1911-2002)
var. alba (BOIS, ID, WTU; 4; 1942-1980)
Agrostis bakeri × Agrostis idahoensis (WTU; 1; 1944)
Agrostis canina (ID; 1; 1932)
Agrostis capillaris (CIC, CIC-PYNF, ID, IDE, IDS, RM, SRP; 39; 1967-2020)
Agrostis exarata (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, EWU, ID, IDE, IDS, MONT, OSC, RM, SBLM, SRP, WS, WTU, WWB; 220; 1890-2020)
Agrostis gigantea (CIC, ID, IDE, IDS, SRP, V, WTU; 46; 1929-2020)
var. stolonifera (V; 1; 1963)
Agrostis hyemalis (ID, IDS, SRP, WS, WTU; 11; 1913-1947)
Agrostis idahoensis (BOIS, CIC, CIC-PYNF, ID, IDS, NY, OSC, RM, SRP, WS, WTU, WWB; 72; 1894-2020)
Agrostis microphylla (SRP; 1; 2010)
Agrostis oregonensis (BBLM, CIC-PYNF, ID, IDS, RM, SRP, WS, WTU; 9; 1923-2016)
Agrostis pallens (BOIS, CIC, CIC-PYNF, ID, IDS, RM, SRP, WS, WTU; 18; 1923-2018)
Agrostis rossae (CIC-PYNF; 1; 1924)
Agrostis rossiae (CIC-PYNF, IDS, SRP; 5; 1922-2016)
Agrostis scabra (BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, DPP, ID, IDE, IDS, MONT, OSC, RM, SRP, WS, WTU, WWB; 356; 1890-2020)
Agrostis stolonifera (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, DPP, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, UBC, USFS, WS, WTU; 292; 1895-2019)
Agrostis variabilis (BOIS, CIC, CIC-PYNF, ID, IDS, OSC, RM, SRP, WS, WTU; 77; 1897-2020)
Aira caryophyllea (ID, WS, WTU; 19; 1934-2020)
var. caryophyllea (ID; 4; 1996-2020)
Alopecurus aequalis (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, EWU, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, WS, WTU; 251; 1890-2020)
var. aequalis (BBLM, CIC, CIC-PYNF, ID, RM, WS; 37; 1901-2020)
Alopecurus arundinaceus (CIC, CIC-PYNF, ID, RM, WS; 10; 1979-2010)
Alopecurus carolinianus (CIC, CIC-SHO, ID, IDS, RM, SRP, WTU; 17; 1938-2001)
Alopecurus geniculatus (BBLM, CIC, ID, IDE, IDS, NY, RM, SRP, USFS, WS, WTU; 56; 1895-2018)
var. geniculatus (BBLM; 1; 2000)
Alopecurus magellanicus (ID, IDS, NY, RM, SRP, WS, WTU; 33; 1912-2016)
Alopecurus myosuroides (SRP; 1; 2005)
Alopecurus pratensis (BBLM-OWY, BOIS, CIC, CRMO, ID, IDE, IDS, MONT, OSC, RM, SRP, USFS, WS, WTU; 129; 1895-2020)
Anthoxanthum aristatum (ID; 1; 2015)
Anthoxanthum nitens (CIC; 1; 1992)
Anthoxanthum odoratum (ID, IDE, WS; 12; 1988-2020)
Apera interrupta (BBLM, BBLM-OWY, CIC, ID, IDE, IDS, MONT, SRP, USFS, WS, WTU; 84; 1927-2020)
Apera spica-venti (IDS; 3; 1940-1941)
Aristida adscensionis (ID; 1; 1937)
Aristida basiramea (ID; 1; 2020)
Aristida oligantha (CIC, ID, IDE, IDS, SRP, WS; 9; 1960-2014)
Aristida purpurea (BLMMD, BOIS, CIC, CRMO, ID, IDE, IDS, NY, OSC, RM, SRP, WS, WTU; 55; 1934-2015)
var. fendleriana (IDS; 2; 1967-1975)
var. longiseta (BLMMD, BOIS, CIC, ID, IDE, IDS, RM, SRP, WS, WTU; 38; 1934-2007)
var. nealleyi (ID; 1; 1978)
Arrhenatherum elatius (CIC, CIC-PYNF, ID, IDE, IDS, RM, SRP, USFS, WS, WTU; 55; 1907-2019)
ssp. elatius (CIC-PYNF, RM, USFS, WS; 12; 1925-2000)
Avena barbata (IDS; 1; 1965)
Avena fatua (BBLM, BOIS, CIC, ID, IDE, IDS, MONT, OSC, RM, SRP, WS, WTU, WWB; 56; 1927-2019)
Avena sativa (CIC, ID, IDS, RM, SRP, USFS, WS, WTU; 12; 1907-2007)
Beckmannia syzigachne (BBLM, BBLM-OWY, CIC, CIC-SHO, EWU, ID, IDE, IDS, NY, OSC, RM, SBLM, SRP, WS, WTU, WWB; 106; 1893-2019)
Blepharidachne kingii (BBLM, BBLM-OWY, SRP; 4; 1995)
Bothriochloa barbinodis (CIC; 1; 1994)
Bothriochloa laguroides (CIC, ID, SRP; 4; 1989-2008)
Bothriochloa saccharoides (IDE; 3; 1987)
Bouteloua dactyloides (SRP; 1; 1933)
Bouteloua gracilis (CIC, ID, IDS, SRP; 6; 1940-2007)
Briza minor (ID; 1; 1980)
Bromus anomalus (ID, IDS, SRP, WS, WTU; 35; 1916-2016)
Bromus arvensis (ID, IDE, IDS, SRP; 17; 1930-2014)
Bromus briziformis (BBLM-OWY, BOIS, CIC, CIC-PYNF, ID, IDE, IDS, MONT, OSC, RM, SRP, USFS, WS, WTU, WWB; 164; 1892-2020)
Bromus catharticus (BBLM, CIC, IDS, SRP; 11; 1955-2012)
var. cartharticus (IDS; 1; 2009)
var. catharticus (CIC; 1; 2012)
Bromus ciliatus (BOIS, CIC, CIC-PYNF, ID, IDE, IDS, MONT, OSC, RM, SRP, WS, WTU; 111; 1897-2019)
Bromus commutatus (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, ID, IDS, OSC, RM, SRP, WS, WTU; 135; 1910-2020)
Bromus diandrus (BBLM, CIC, ID, IDE, NY, SRP, WS, WTU; 24; 1913-2019)
Bromus erectus (CIC, ID; 3; 1974-2011)
Bromus hordeaceus (BBLM, BOIS, CIC, CIC-PYNF, ID, IDE, IDS, MONT, OSC, RM, SRP, USFS, WS, WTU; 116; 1890-2020)
Bromus inermis (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDE, IDS, NY, RM, SBLM, SRP, WS, WTU; 336; 1913-2020)
Bromus japonicus (BBLM, BBLM-OWY, BOIS, CIC, CIC-SHO, ID, IDS, OSC, RM, SRP, WS, WTU, WWB; 173; 1853-2019)
Bromus orcuttianus (CIC-PYNF, RM; 2; 1999)
Bromus porteri (ID, IDS, RM, SRP; 15; 1922-2011)
Bromus ×pseudothominii (WTU; 1; 1953)
Bromus pumpellianus (BOIS, CIC, ID, IDS, SRP; 20; 1935-2020)
ssp. pumpellianus (CIC, ID; 4; 1935-2020)
Bromus racemosus (BBLM-OWY, CIC, ID, IDE, IDS, WS, WTU; 23; 1910-2018)
Bromus ramosus (ID, IDS; 2; 1939-1951)
Bromus riparius (CRMO, UBC; 2; 2002-2010)
Bromus rubens (ID, IDS, RM, SRP, USFS, WTU; 18; 1910-2013)
Bromus scoparius (ID; 1; 1951)
Bromus secalinus (BBLM, CIC-PYNF, CRMO, ID, SBLM, SRP, USFS, WS, WTU; 17; 1892-2019)
Bromus sitchensis (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, ID, IDE, IDS, NY, OSC, RM, SBLM, SRP, V, WS, WTU, WWB; 555; 1890-2020)
var. carinatus (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, ID, IDE, IDS, OSC, RM, SRP, WS, WTU, WWB; 344; 1890-2019)
var. marginatus (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, ID, IDE, IDS, NY, OSC, SBLM, SRP, V, WS, WTU; 166; 1895-2020)
var. maritimus (OSC; 2; 2004)
var. polyanthus (BOIS, CIC, CIC-PYNF, ID, IDS, SRP, WS, WTU; 35; 1902-2016)
Bromus squarrosus (CIC, CIC-SHO, CRMO, ID, IDE, IDS, NY, OSC, SRP, WTU; 47; 1934-2020)
Bromus sterilis (CIC, CIC-PYNF, ID, IDE, IDS, NY, RM, SRP, WS, WTU; 33; 1932-2014)
Bromus suksdorfii (CIC-PYNF, ID, IDS, RM, SRP; 9; 1999-2018)
Bromus tectorum (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, EWU, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, USFS, V, WCW, WS, WTU, WWB; 492; 1910-2020)
Bromus vulagris (LEA; 1; 1949)
Bromus vulgaris (BOIS, CIC, CIC-PYNF, EWU, ID, IDS, MONT, OSC, RM, SBLM, SRP, WS, WTU, WWB; 113; 1892-2020)
Calamagrostis canadensis (BOIS, CIC, CIC-PYNF, ID, IDE, IDS, MONT, OSC, RM, SRP, WS, WTU, WWB; 314; 1892-2020)
var. canadensis (BOIS, CIC, ID, IDS, OSC, RM, SRP, WS, WTU, WWB; 123; 1892-2020)
var. langsdorffii (CIC, ID, OSC, SRP; 10; 1894-2020)
Calamagrostis epigeios (IDS, USFS; 2; 1941)
Calamagrostis koelerioides (BBLM, ID, OSC, SRP; 8; 1934-2010)
Calamagrostis montanensis (BOIS, ID, IDS; 9; 1916-1975)
Calamagrostis purpurascens (CIC, ID, IDS, OSC, RM, SRP, WS, WTU, WWB; 90; 1895-2018)
Calamagrostis rubescens (BBLM, BOIS, CIC, CIC-PYNF, CRMO, ID, IDS, MONT, NY, OSC, RM, SBLM, SRP, WS, WTU, WWB; 204; 1892-2019)
Calamagrostis stricta (BOIS, CIC, CIC-PYNF, ID, IDS, MONT, NY, OSC, RM, SBLM, SRP, WS, WTU, WWB; 123; 1922-2020)
ssp. inexpansa (BOIS, CIC, CIC-PYNF, ID, IDS, MONT, NY, OSC, RM, SRP, WS, WTU, WWB; 67; 1922-2020)
ssp. stricta (CIC, IDS, SBLM; 6; 1941-2020)
var. inexpansa (IDS; 1; 1969)
Calamagrostis suksdorfii (WS; 1; 1892)
var. luxuriana (WS; 1; 1892)
Calamagrostis tweedyi (CIC-PYNF, ID, IDS, SRP; 6; 1939-1992)
Catabrosa aquatica (BOIS, CIC, CRMO, ID, IDS, NY, OSC, RM, SBLM, SRP, WS, WTU; 85; 1901-2018)
ssp. aquatica (ID; 1; 1992)
Cenchrus incertus (ID; 1; 1931)
Cenchrus longispinus (BBLM, CIC, ID, IDE, IDS, SRP, WS; 24; 1931-2015)
Cenchrus spinifex (ID, IDS; 6; 1941-1998)
Chloris verticillata (BBLM-OWY, CIC, ID, IDE; 6; 1994-2010)
Cinna latifolia (BOIS, CIC, CIC-PYNF, CRMO, ID, IDE, IDS, LEA, MONT, OSC, RM, SRP, WS, WTU; 115; 1895-2020)
Coleataenia longifolia (ID; 1; 2020)
ssp. rigidula (ID; 1; 2020)
Crypsis alopecuroides (BBLM, CIC, CRMO, ID, IDS, OSC, RM, SRP, WS, WWB; 34; 1961-2015)
Crypsis schoenoides (ID, IDS; 2; 1961-1996)
Crypsis vaginiflora (CIC, ID, SRP; 7; 1976-2014)
Cynodon dactylon (CIC, ID, IDE; 17; 1937-1993)
Cynosurus cristatus (ID; 1; 1932)
Cynosurus echinatus (BOIS, CIC, ID, IDE, OSC, SRP, WS, WTU, WWB; 32; 1970-2020)
Dactylis glomerata (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, USFS, WS, WTU, WWB; 305; 1895-2020)
Danthonia californica (BBLM, BBLM-OWY, CIC, CIC-PYNF, CIC-SHO, EWU, ID, IDS, NY, OSC, RM, SRP, UBC, WCW, WS, WTU; 123; 1890-2020)
Danthonia intermedia (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, ID, IDE, IDS, MONT, NY, OSC, RM, SRP, WS, WTU, WWB; 182; 1895-2020)
Danthonia spicata (BBLM, EWU, ID, OSC, SRP, WS, WTU; 24; 1901-2020)
Danthonia unispicata (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDE, IDS, NY, OSC, RM, SBLM, SRP, UBC, V, VALE, WS, WTU; 173; 1912-2020)
Dasyochloa pulchella (IDS; 1; 1942)
Deschampsia cespitosa (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, DPP, EWU, ID, IDE, IDS, MONT, OSC, RM, SBLM, SRP, UBC, WS, WTU, WWB; 378; 1890-2020)
Deschampsia danthonioides (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDS, MONT, NY, OSC, RM, SRP, WS, WTU; 200; 1890-2020)
Deschampsia elongata (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDS, MONT, OSC, RM, SRP, WS, WTU, WWB; 271; 1895-2019)
Deschampsia sukatschewii (WS; 1; 1939)
Dichanthelium aciculare (IDS; 1; 1959)
Dichanthelium acuminatum (CIC, CIC-PYNF, ID, IDS, MONT, OSC, RM, SRP, UBC, WS, WTU, WWB; 102; 1892-2017)
ssp. acuminatum (CIC-PYNF, ID, OSC, RM, SRP, WS, WTU, WWB; 36; 1892-2015)
ssp. fasciculatum (CIC, ID, IDS, MONT, SRP, WTU; 22; 1932-2015)
ssp. sericeum (IDS, RM, SRP; 4; 2006-2017)
ssp. thermale (IDS, WS, WTU; 4; 1941-1964)
Dichanthelium dichotomum (NY; 1; 2003)
Dichanthelium oligosanthes (ID, IDE, IDS, SRP, WS, WTU, WWB; 36; 1892-2019)
ssp. scribnerianum (ID, IDE, IDS, WS, WTU, WWB; 23; 1892-2011)
Digitaria ischaemum (ID, IDE, MONT, RM, WS; 6; 1911-2020)
Digitaria sanguinalis (BOIS, CIC, ID, IDE, IDS, RM, SRP, USFS, WS, WTU; 64; 1911-2020)
Diplachne fusca (CIC, ID, IDE, SRP, WTU; 9; 1951-2017)
ssp. fascicularis (CIC, ID, IDE, SRP, WTU; 8; 1951-1996)
Distichlis spicata (CIC, CIC-SHO, ID, IDE, IDS, OSC, SRP, WS, WTU, WWB; 100; 1920-2016)
Echinochloa crus-galli (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, ID, IDE, IDS, MONT, NY, RM, SRP, USFS, WS, WTU, WWB; 110; 1906-2019)
Echinochloa muricata (BBLM-OWY, CIC, ID, IDS, RM, WS; 33; 1910-2015)
var. microstachya (CIC, ID, IDS, RM, WS; 30; 1910-2015)
×Elyhordeum macounii (BOIS, ID, IDS, SRP, UBC, WS, WTU; 11; 1939-2011)
×Elyhordeum montanense (ID; 1; 1934)
×Elyleymus hirtiflorus (IDS; 2; 1938)
Elymus albicans (BOIS, ID, IDS, OSC, SRP; 7; 1895-1982)
Elymus bakeri (WTU; 2; 1944-1953)
Elymus canadensis (BBLM, CIC, CIC-PYNF, ID, IDE, IDS, MONT, RM, SRP, WS, WTU; 73; 1911-2020)
var. canadensis (CIC, CIC-PYNF, ID, RM, WS; 17; 1911-2020)
var. robustus (IDS; 1; 1978)
Elymus caninus (ID, IDS, SRP, WWB; 19; 1915-1979)
Elymus cinereus × Elymus elymoides (ID; 1; 1984)
Elymus elymoides (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, UBC, V, VALE, WCW, WS, WTU, WWB; 624; 1910-2020)
ssp. brevifolius (BBLM, BOIS, CIC, CIC-PYNF, ID, OSC, RM, SRP, UBC, WS, WTU, WWB; 49; 1922-2019)
ssp. elymoides (BBLM, BBLM-OWY, CIC, ID, IDS, OSC, SBLM, SRP, WS, WTU; 142; 1910-2020)
ssp. hordeoides (BOIS, CIC, ID, IDE, SRP, WTU; 15; 1952-2018)
var. elymoides (CIC, CIC-PYNF, ID, RM, SRP, WTU; 47; 1962-2011)
Elymus elymoides × Elymus scribneri (ID, RM; 4; 1977-1992)
Elymus elymoides × Elymus spicatus (ID; 2; 1921-1984)
Elymus elymoides × Elymus trachycaulus (ID; 1; 1974)
Elymus elymoides × Pseudoroegneria spicata (ID; 1; 2005)
Elymus giganteus (ID; 1; 2004)
var. cinereus (ID; 1; 2004)
Elymus glaucus (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, EWU, ID, IDE, IDS, LEA, MONT, OSC, RM, SRP, WS, WTU; 374; 1892-2020)
ssp. glaucus (BBLM, CIC, CIC-PYNF, ID, IDE, IDS, OSC, RM, SRP, WS, WTU; 170; 1892-2020)
ssp. virescens (ID, IDS; 2; 1945-1966)
Elymus glaucus × Elymus hirsutus (ID; 1; 2020)
Elymus glaucus × Elymus lanceolatus (CIC; 1; 2013)
Elymus glaucus × Pseudoroegneria (CIC; 2; 1992)
Elymus ×hansenii (IDS, SRP, WS, WTU; 10; 1938-1976)
Elymus hirsutus (ID; 4; 2019-2020)
Elymus hispidus (BBLM, CIC, CIC-PYNF, RM; 26; 1991-2000)
var. hispidus (BBLM, CIC, CIC-PYNF, RM; 26; 1991-2000)
Elymus lanceolata (CIC; 4; 1999-2013)
ssp. riparius (CIC; 4; 1999-2013)
Elymus lanceolatus (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, WS, WTU; 224; 1893-2020)
ssp. lanceolatus (BBLM, BOIS, CIC, CIC-SHO, ID, IDS, MONT, OSC, SRP, WS; 79; 1902-2016)
ssp. psammophilus (IDE; 1; 1979)
ssp. riparius (BBLM-OWY, BOIS, CIC, CIC-PYNF, ID, IDS, OSC, RM, SRP, WTU; 48; 1929-2020)
var. lanceolatus (ID, OSC, RM; 15; 1991-2011)
Elymus lanceolatus × Elymus spicatus (CIC-SHO, ID; 3; 1975-1995)
Elymus lanceolatus × Elymus trachycaulus (ID; 1; 1989)
Elymus multisetus (BBLM, CIC, ID, IDE, IDS, OSC, RM, SRP, WS, WTU; 41; 1893-2000)
Elymus ×pseudorepens (IDS, OSC, SRP; 5; 1897-2015)
Elymus repens (BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, ID, IDE, IDS, NY, OSC, RM, SRP, WS, WTU, WWB; 114; 1901-2019)
Elymus ×saundersii (CIC, SRP; 2; 2010)
Elymus scribneri (BOIS, CIC-PYNF, ID, IDS, MONT, RM, SRP, WS, WTU, WWB; 68; 1911-2013)
Elymus semicostatus (IDS; 1; 1941)
Elymus trachycaulus (BBLM, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, HPSU, ID, IDE, IDS, MONT, NY, OSC, RM, SRP, WS, WTU; 458; 1892-2019)
ssp. subsecundus (BBLM, BOIS, CIC, CIC-SHO, CRMO, ID, IDS, NY, OSC, SRP; 60; 1919-2017)
ssp. trachycaulus (BBLM, BOIS, CIC, CIC-PYNF, ID, IDS, OSC, RM, SRP, WS, WTU; 193; 1892-2019)
Elymus trachycaulus × Elymus scribneri (BOIS, CIC, CIC-PYNF, ID, SRP, WTU; 10; 1955-2000)
Elymus trachycaulus × Hordeum jubatum (ID; 10; 1937-1967)
Elymus violaceus (CIC, ID, IDS, SRP, WS, WTU, WWB; 33; 1932-2000)
Elymus virginicus (ID, IDS, NY, SRP; 7; 1954-2016)
Elymus wawawaiensis (CRMO, ID, WS; 3; 1939-2019)
Elytrigia intermedia × Elytrigia repens (SRP; 1; 1941)
Eragrostis barrelieri (ID, IDE; 2; 1984-1985)
Eragrostis cilianensis (BOIS, CIC, ID, IDE, IDS, OSC, RM, SRP, UBC, USFS, WS, WTU; 70; 1911-2020)
Eragrostis hypnoides (CIC, ID, IDS, SRP, WS, WTU; 15; 1910-1999)
Eragrostis lutescens (CIC, IDS, SRP, WS; 5; 1941-2012)
Eragrostis mexicana (ID, IDS, SRP, WS, WTU; 8; 1951-1979)
ssp. mexicana (WS; 1; 1963)
ssp. virescens (IDS, SRP, WTU; 4; 1951-1963)
Eragrostis minor (CIC, ID, IDE, OSC, SRP, UBC, WS, WTU; 34; 1964-2019)
Eragrostis pectinacea (BBLM, BBLM-OWY, BLMMD, BOIS, CIC, ID, IDE, IDS, OSC, RM, SRP, V, WS, WTU; 71; 1940-2020)
var. pectinacea (BOIS, ID, IDS, RM, SRP, V, WS; 17; 1941-2020)
Eragrostis pilosa (CIC, ID, IDE, OSC, RM, UBC, V, WS, WTU; 12; 1966-2020)
var. pilosa (CIC, ID, RM, UBC, WS; 6; 1966-2020)
Eragrostis tef (IDE; 3; 1991)
Eragrostis trichodes (ID; 1; 1966)
Eremopyrum triticeum (BBLM-OWY, BOIS, CIC, ID, IDE, IDS, OSC, RM, SRP, WS, WTU; 69; 1925-2019)
Festuca altaica (IDE, IDS, SRP, WS; 7; 1930-1978)
Festuca arizonica (IDS; 1; 1945)
Festuca baffinensis (ID, SRP, WTU; 4; 1944-2010)
Festuca brachyphylla (CIC, ID, MONT, RM, SRP, WS, WTU, WWB; 59; 1897-2018)
ssp. brachyphylla (CIC, ID, WS, WTU; 10; 1944-2016)
Festuca campestris (ID, MONT, SBLM; 4; 1960-2019)
Festuca doreana (ID; 6; 1931-1978)
var. doreana (ID; 4; 1934-1978)
Festuca idahoensis (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, EWU, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, UBC, WS, WTU, WWB; 569; 1892-2020)
Festuca minutiflora (ID; 1; 2011)
Festuca occidentalis (BOIS, CIC, CIC-PYNF, ID, IDS, RM, SRP, UBC, WS, WTU; 120; 1892-2020)
Festuca ovina (BOIS, ID, IDS, OSC, SRP, WTU; 71; 1913-2016)
ssp. eu-ovina (ID; 1; 1938)
ssp. ingrata (OSC; 1; 1991)
Festuca rubra (BOIS, CIC, CIC-PYNF, CRMO, EWU, ID, IDE, IDS, RM, SBLM, SRP, WS, WTU; 104; 1902-2020)
ssp. commutata (BOIS; 1; 2019)
ssp. rubra (CIC-PYNF, ID, IDS, RM, SRP, WS, WTU; 15; 1902-2016)
ssp. vallicola (WS; 2; 1911-1945)
Festuca saximontana (CIC, ID, IDS, RM, WS, WTU; 69; 1934-2020)
var. purpusiana (CIC, ID; 23; 1983-2020)
var. robertsiana (ID; 1; 2004)
var. saximontana (ID, IDS, RM, WS, WTU; 44; 1934-2015)
Festuca scabrella (CIC, ID, IDS, MONT, OSC, SRP, WTU; 32; 1890-2011)
Festuca sciura (SRP; 1; 1941)
Festuca subulata (CIC, ID, IDS, OSC, RM, SRP, WS, WTU; 49; 1890-2020)
Festuca subuliflora (ID, OSC; 25; 1987-1994)
Festuca thurberi (CIC, IDS, SRP; 3; 2016)
Festuca trachyphylla (CRMO, ID, IDE; 11; 2002-2020)
Festuca valesiaca (CIC, ID, SRP; 5; 2009-2020)
Festuca viridula (BOIS, CIC, CIC-PYNF, ID, IDS, MONT, OSC, RM, SRP, WS, WTU, WWB; 138; 1897-2020)
Glyceria borealis (BBLM, CIC, CIC-PYNF, CIC-SHO, EWU, ID, IDE, IDS, MONT, NY, RM, SBLM, SRP, WS, WTU; 86; 1892-2020)
Glyceria elata (BBLM, BOIS, CIC, CIC-PYNF, EWU, HPSU, ID, IDS, MONT, OSC, RM, SRP, WS, WTU, WWB; 158; 1901-2020)
Glyceria grandis (BBLM, BBLM-OWY, CIC, CIC-SHO, ID, IDE, IDS, OSC, RM, SBLM, SRP, WS, WTU, WWB; 106; 1901-2020)
var. grandis (ID, OSC, SBLM, WS; 11; 1901-2020)
Glyceria leptostachya (ID, IDE; 2; 2006-2008)
Glyceria ×occidentalis (CIC, ID, SRP, WTU; 13; 1931-2004)
Glyceria striata (BBLM, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDS, MONT, NY, OSC, RM, SBLM, SRP, WS, WTU, WWB; 175; 1892-2020)
Graphephorum wolfii (BOIS, CIC, CIC-PYNF, ID, IDS, MONT, RM, SRP, WS, WTU, WWB; 66; 1895-2018)
Hesperostipa comata (BBLM, BBLM-OWY, BOIS, CIC, CRMO, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, UBC, WS, WTU; 286; 1900-2020)
ssp. comata (BOIS, CRMO, ID, IDS, RM, SBLM, SRP, UBC, WS, WTU; 81; 1900-2018)
ssp. intermedia (BOIS, CRMO, IDS, RM, SRP, WS, WTU; 16; 1900-2006)
Hierochloe alpina (IDS; 1; 1931)
var. alpina (IDS; 1; 1931)
Hierochloe odorata (BOIS, CIC, ID, IDS, OSC, RM, SRP, WS, WTU; 31; 1931-2017)
Holcus lanatus (CIC, ID, IDE, IDS, RM, SRP, USFS, WS; 23; 1925-2011)
Holcus mollis (ID, IDS; 2; 2011)
Hordeum brachyantherum (BBLM, BBLM-OWY, BLMVL, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, EWU, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, WS, WTU, WWB; 210; 1892-2020)
ssp. brachyantherum (ID, IDS, OSC; 4; 1935-2020)
ssp. californicum (OSC; 1; 1963)
Hordeum brachyantherum × Hordeum jubatum (WTU; 1; 1963)
Hordeum bulbosum (IDS; 1; 1942)
Hordeum depressum (ID, IDE; 4; 1974-1993)
Hordeum jubatum (BBLM, BBLM-OWY, BOIS, CIC, CIC-SHO, CRMO, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, UBC, V, WS, WTU, WWB; 231; 1892-2020)
ssp. intermedium (ID, SRP; 2; 2016-2017)
ssp. jubatum (BBLM-OWY, CIC, ID, SRP, V, WS; 23; 1910-2017)
Hordeum marinum (BBLM, BOIS, CIC, CIC-SHO, ID, IDE, IDS, OSC, SRP, USFS, WS, WTU; 44; 1910-2015)
ssp. gussoneanum (BBLM, BOIS, CIC, CIC-SHO, IDE, IDS, OSC, SRP, USFS, WS, WTU; 32; 1910-2015)
Hordeum murinum (BBLM, BBLM-OWY, CIC, ID, IDE, IDS, OSC, RM, SRP, WS, WTU; 91; 1927-2010)
ssp. glaucum (BBLM, CIC, ID, IDE, IDS, RM, SRP, WS, WTU; 27; 1955-2010)
ssp. leporinum (BBLM-OWY, CIC, ID, IDE, IDS, OSC, RM, SRP, WS, WTU; 28; 1943-2005)
ssp. murinum (CIC, SRP; 7; 1971-2003)
Hordeum pusillum (CIC, ID, IDE, IDS, SRP, WS; 9; 1892-1984)
Hordeum vulgare (CIC, CRMO, ID, IDE, IDS, SRP, USFS, WTU; 22; 1932-2006)
Koeleria gracilis (NY; 1; 1896)
ssp. idahoensis (NY; 1; 1896)
Koeleria macrantha (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDS, MONT, NY, OSC, RM, SBLM, SRP, WS, WTU, WWB; 407; 1896-2020)
Koleria macrantha (SRP; 1; 1994)
Leersia oryzoides (CIC, ID, IDE, IDS, OSC, SRP, WS; 30; 1933-2002)
Leucopoa kingii (BBLM, BOIS, CIC, CRMO, ID, IDS, MONT, OSC, RM, SBLM, SRP, WS, WTU; 191; 1922-2020)
Leymus ambiguus (ID, IDS, SRP, UBC, WTU; 7; 1948-2002)
Leymus arenarius (WCW; 1; 1979)
Leymus chinensis (IDS; 1; 1942)
Leymus cinereus (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, DPP, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, UBC, WCW, WS, WTU, WWB; 262; 1892-2019)
Leymus condensatus (IDS, OSC, SRP, WS; 9; 1890-2017)
Leymus flavescens (BBLM, CRMO, ID, IDS, MONT, OSC, RM, SRP, WS, WTU; 62; 1892-2015)
Leymus innovatus (IDS, SRP, WS; 4; 1940-1991)
Leymus racemosus (BBLM, CIC, ID, IDE, IDS, SRP; 14; 1958-2020)
ssp. racemosus (IDE; 1; 1988)
Leymus salina (BBLM, BOIS, CIC, COLO, ID, IDS, NY, OSC, RM, SBLM, SRP, UBC, WS, WTU; 56; 1941-2019)
ssp. salina (CIC, SRP; 3; 2010)
ssp. salmonis (BBLM, BOIS, CIC, COLO, ID, IDS, NY, OSC, RM, SBLM, SRP, UBC, WS, WTU; 34; 1941-2019)
var. salmonis (OSC; 1; 1962)
Leymus simplex (IDS; 3; 1934-1935)
Leymus triticoides (BOIS, CIC, CIC-PYNF, ID, IDS, MONT, NY, RM, SRP, WS, WTU; 66; 1896-2010)
var. triticoides (SRP; 1; 2009)
Lolium multiflorum (ID, IDE, IDS, MONT, SRP, USFS, WS, WTU, WWB; 24; 1927-2009)
Lolium perenne (CIC, EWU, ID, IDE, IDS, RM, SRP, USFS, WWB; 37; 1913-2020)
Lolium temulentum (CIC, ID, IDS; 4; 1932-1955)
Melica bulbosa (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDS, MONT, NY, OSC, RM, SBLM, SRP, WS, WTU, WWB; 386; 1897-2020)
Melica bulbosa × Melica fugax (WTU; 1; 1947)
Melica californica (BBLM; 1; 1977)
Melica fugax (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, ID, MONT, NY, RM, SRP, WTU; 40; 1911-2020)
Melica harfordii (SRP; 1; 1915)
Melica smithii (ID, RM, SRP, USFS; 7; 1958-2010)
Melica spectabilis (BBLM, BOIS, CIC, CIC-PYNF, DPP, ID, IDE, IDS, NY, OSC, RM, SRP, WS, WTU, WWB; 225; 1893-2020)
Melica stricta (BBLM-OWY, CIC; 2; 2013)
Melica subulata (BOIS, CIC, CIC-PYNF, ID, IDS, RM, SRP, WS, WTU; 84; 1892-2020)
Melinis repens (SRP; 2; 1976-2005)
Milium vernale (ID, IDE, WS; 77; 1987-1989)
Muhlenbergia andina (ID, IDS, SRP, WWB; 7; 1916-1999)
Muhlenbergia asperifolia (BBLM-OWY, BOIS, CIC, CRMO, ID, IDE, IDS, NY, OSC, SBLM, SRP, WS, WTU; 87; 1893-2015)
var. parodi (IDS; 1; 1939)
Muhlenbergia filiculmis (CIC-PYNF; 1; 1923)
Muhlenbergia filiformis (BBLM-OWY, BOIS, CIC, CIC-PYNF, ID, IDS, MONT, NY, OSC, RM, SRP, WS, WTU; 126; 1902-2020)
Muhlenbergia glomerata (ID, IDS, NY, SRP; 5; 1934-2003)
Muhlenbergia mexicana (CIC, ID, OSC, SRP; 15; 1926-2010)
var. filiformis (ID; 1; 1935)
Muhlenbergia minutissima (CIC-PYNF, ID, IDS, SRP, WS; 8; 1900-1997)
Muhlenbergia racemosa (ID, OSC; 2; 1897-1989)
Muhlenbergia richardsonis (BBLM, BBLM-OWY, BOIS, CIC, CIC-SHO, CRMO, ID, IDS, NY, RM, SBLM, SRP, WS, WTU; 149; 1901-2017)
Munroa squarrosa (IDE; 1; 2005)
Nardus stricta (ID, IDE; 20; 1960-1991)
Nassella viridula (CIC, ID, IDS, RM, SBLM, WS; 14; 1934-2019)
Nicoraepoa chonotica (OSC; 1; 1890)
Oryzopsis asperifolia (CIC, ID, IDS, SRP, WS, WTU; 23; 1931-2020)
Panicum capillare (BBLM, BBLM-OWY, BOIS, CIC, CRMO, ID, IDE, IDS, MONT, NY, OSC, RM, SRP, WS, WTU, WWB; 188; 1910-2020)
ssp. capillare (BOIS, ID, IDS, OSC, RM, SRP, WS, WTU, WWB; 52; 1910-2020)
Panicum dichotomiflorum (CIC, ID, IDE, IDS, NY, OSC, RM, SRP, WS, WTU; 37; 1952-2020)
ssp. dichotomiflorum (ID, RM, WS, WTU; 6; 1952-2020)
Panicum miliaceum (BLMMD, BLMVL, CIC, ID, IDE, IDS, OSC, SRP; 29; 1913-2010)
Panicum virgatum (ID, IDS, SRP; 4; 1935-2015)
Pascopyrum smithii (BBLM, BBLM-OWY, CIC, CRMO, ID, IDS, OSC, RM, SBLM, SRP, WS, WTU; 86; 1893-2019)
Paspalum distichum (CIC, ID, IDE, IDS, NY, SRP, WS; 25; 1941-2005)
Paspalum monostachyum (ID; 2; 1951-1956)
Pennisetum glaucum (IDE, WS; 3; 1964-1987)
Phalaris aquatica (ID; 1; 1929)
Phalaris arundinacea (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, EWU, ID, IDE, IDS, NY, OSC, RM, SBLM, SRP, UBC, USFS, V, WS, WTU; 206; 1897-2020)
Phalaris arundinaceae (NY; 1; 1987)
Phalaris canariensis (ID, IDS; 3; 1927-1954)
Phleum alpinum (BOIS, CIC, CIC-PYNF, ID, IDS, MONT, NY, RM, SRP, SRPo, WS, WTU, WWB; 238; 1897-2020)
var. alpinum (CIC, CIC-PYNF, ID, RM; 40; 1991-2011)
Phleum pratense (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, EWU, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, USFS, WS, WTU, WWB; 366; 1901-2020)
ssp. pratense (WS; 10; 1927-1975)
var. pratense (CIC, CIC-PYNF, ID, RM, USFS; 108; 1901-2010)
Phragmites australis (BBLM-OWY, CIC, CRMO, ID, IDE, IDS, OSC, RM, SRP, WS, WTU; 60; 1901-2019)
ssp. americanus (CIC, ID, SRP; 11; 1932-2019)
ssp. australis (ID, SRP; 8; 1974-2015)
Piptatheropsis canadensis (IDS; 1; 1941)
Piptatheropsis exigua (BBLM, BOIS, CIC, CIC-PYNF, ID, IDS, OSC, RM, SRP, WS, WTU, WWB; 221; 1902-2020)
Piptatheropsis micrantha (ID; 1; 1991)
Piptatheropsis shoshoneana (BOIS, CIC, ID, IDS, NY, OSC, RM, SRP, WTU; 51; 1979-2010)
Poa abbreviata (ID, IDS, NY, RM, WTU, WWB; 18; 1937-2014)
ssp. marshii (ID; 5; 1978-2011)
ssp. pattersonii (ID, NY, RM, WTU, WWB; 12; 1937-1990)
Poa alpina (BOIS, CIC, CIC-PYNF, ID, IDS, OSC, RM, SRP, WS, WTU; 78; 1930-2020)
ssp. alpina (WTU; 3; 1937-1944)
var. alpina (ID; 1; 2012)
Poa annua (CIC, ID, IDE, IDS, NY, RM, SRP, USFS, WS, WTU; 99; 1892-2020)
Poa arachnifera (SRP; 1; 1967)
Poa arctica (ID, IDS, WWB; 4; 1948-1974)
ssp. grayana (WWB; 1; 1970)
Poa arida (BBLM, ID, IDS, OSC, RM, SRP, WTU; 17; 1940-2014)
Poa arnowiae (IDS, RM, SRP; 13; 1978-1999)
Poa bolanderi (CIC, CIC-PYNF, EWU, ID, IDS, OSC, RM, SRP, WS, WTU; 36; 1923-2013)
Poa bulbosa (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDE, IDS, LEA, MONT, NY, OSC, RM, SRP, V, WCW, WS, WTU, WWB; 439; 1928-2020)
ssp. vivipara (ID, IDS, SRP, WS, WTU; 39; 1937-2020)
Poa compressa (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, EWU, ID, IDE, IDS, RM, SRP, WS, WTU; 147; 1913-2020)
Poa cusickii (BBLM, BOIS, CIC, CIC-PYNF, ID, IDS, MONT, NY, OSC, RM, SRP, UBC, WS, WTU, WWB; 231; 1892-2020)
ssp. cusickii (BBLM, BOIS, CIC, ID, IDS, NY, SRP, WS, WTU, WWB; 28; 1892-2019)
ssp. epilis (BOIS, CIC, ID, IDS, RM, SRP, WS, WTU, WWB; 77; 1924-2019)
ssp. pallida (CIC, ID, IDS, NY, RM, SRP, WTU; 39; 1895-2019)
ssp. purpurascens (CIC, ID; 4; 1997-2010)
ssp. subaristata (ID; 8; 1978-1983)
Poa cusickii var. epilis × Poa grayana (WWB; 2; 1970)
Poa douglasii (ID; 54; 1916-1989)
Poa fendleriana (BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDS, MONT, OSC, RM, SRP, WS, WTU, WWB; 173; 1897-2019)
ssp. fendleriana (ID, IDS, WTU; 14; 1913-2014)
ssp. longiligula (CIC, CIC-SHO, ID, IDS, SRP, WS, WTU; 25; 1934-2017)
Poa glauca (CIC, ID, IDS, OSC, RM, SBLM, SRP, WS, WTU; 99; 1900-2020)
ssp. rupicola (CIC, ID, IDS, RM, SRP, WS, WTU; 62; 1901-2020)
var. glauca (CIC, ID, OSC, SRP; 8; 1993-1995)
Poa glauca × Poa secunda (ID; 1; 1976)
Poa gracillia (IDE; 4; 1993)
Poa interior (BBLM-OWY, BOIS, CIC, ID, IDS, MONT, RM, SRP, WS, WTU, WWB; 99; 1911-2020)
Poa kellogii (SRP; 2; 1949)
Poa laxa (ID; 1; 1979)
Poa leibergii (BBLM, BBLM-OWY, CIC, CIC-PYNF, ID, IDS, OSC, RM, SRP, WS; 23; 1937-2018)
Poa leptocoma (BOIS, CIC, CIC-PYNF, ID, IDS, OSC, RM, SRP, WS, WTU; 46; 1941-2020)
Poa lettermanii (ID; 2; 1974-1984)
Poa ×nematophylla (CRMO, SBLM; 2; 2006-2018)
Poa nemoralis (CRMO, ID, IDS, SRP, WS; 57; 1913-1988)
Poa nervosa (BBLM-OWY, BOIS, CIC, CIC-PYNF, ID, IDE, IDS, MONT, OSC, SRP, WS, WTU; 218; 1911-2018)
Poa nevadensis > Poa scabrella (WTU; 1; 1963)
Poa palustris (BLMMD, BOIS, CIC, CIC-PYNF, EWU, ID, IDE, IDS, MONT, OSC, RM, SBLM, SRP, WS, WTU; 164; 1920-2019)
Poa pattersonii (WTU; 3; 1937)
ssp. subcalva (WTU; 3; 1937)
Poa paucispicula (CIC, ID, IDS; 5; 1977-2020)
Poa pratensis (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CRMO, ID, IDE, IDS, MONT, OSC, RM, SBLM, SRP, USFS, WS, WTU; 615; 1892-2020)
ssp. agassizensis (BBLM-OWY, CIC, ID, SRP; 6; 2010-2020)
ssp. alpigena (ID, IDS, SRP; 3; 1978-1984)
ssp. irrigata (ID; 1; 2019)
ssp. pratensis (BBLM-OWY, CIC, ID, SRP; 26; 1929-2020)
Poa pringlei (IDS; 3; 1939-1941)
Poa reflexa (BOIS, CIC, ID, IDS, RM, SRP, WWB; 32; 1939-2018)
Poa secunda (BBLM, BBLM-OWY, BLMMD, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, DPP, EWU, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, V, WS, WTU, WWB; 1920; 1892-2020)
ssp. juncifolia (BBLM, BBLM-OWY, BOIS, CIC, CIC-SHO, CRMO, ID, IDS, NY, OSC, RM, SRP, WS, WTU, WWB; 372; 1907-2020)
ssp. secunda (BBLM, BBLM-OWY, BOIS, CIC, CRMO, DPP, ID, IDE, IDS, MONT, NY, OSC, RM, SRP, V, WS, WTU, WWB; 657; 1892-2020)
var. secunda (ID; 3; 1992-2018)
Poa stenantha (ID, IDS, WTU; 33; 1932-2020)
var. stenantha (ID; 17; 2019-2020)
Poa trivialis (BBLM-OWY, BOIS, CIC, ID, IDS, SRP, WTU; 20; 1972-2018)
Poa wheeleri (BBLM-OWY, CIC, CIC-PYNF, CRMO, ID, IDS, MONT, OSC, RM, SRP, WS, WTU; 356; 1911-2020)
Podagrostis humilis (CIC, CIC-PYNF, ID, IDS, RM, SRP, WS, WTU; 53; 1927-2020)
Podagrostis thurberiana (BBLM, BOIS, CIC, CIC-PYNF, ID, MONT, SRP, WTU; 78; 1930-2020)
Polypogon monspeliensis (BBLM, BOIS, CIC, CIC-SHO, CRMO, ID, IDE, IDS, MONT, OSC, RM, SBLM, SRP, USFS, WCW, WS, WTU, WWB; 163; 1887-2016)
Psathyrostachys juncea (CIC, DPP, ID, IDS, RM, USFS; 12; 1941-2016)
×Pseudelymus saxicola (BBLM, CIC, ID, IDS, NY, OSC, SRP, WS, WTU; 34; 1930-2016)
Pseudoroegnaria spicata (ID; 14; 2013-2019)
Pseudoroegneria spicata (BBLM, BBLM-OWY, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, DPP, ID, IDE, IDS, MONT, NY, OSC, RM, SBLM, SRP, UBC, WS, WTU, WWB; 704; 1884-2020)
Pseudoroegneria spicata × Thinopyrum ponticum (CIC; 1; 1934)
Puccinellia distans (BBLM, BOIS, CIC, ID, IDS, MONT, OSC, SRP, WS, WTU; 41; 1911-2015)
Puccinellia lemmonii (CIC, ID, IDS, OSC, SBLM, SRP, WS; 12; 1934-2016)
Puccinellia nuttalliana (CIC, EWU, ID, IDS, SRP; 17; 1937-2017)
Schedonorus arundinaceus (BOIS, ID, IDE, IDS, MONT, OSC, RM, SRP, UBC, WS, WTU; 57; 1928-2020)
Schedonorus pratensis (BBLM, CIC, ID, IDS, OSC, RM, SRP, USFS, WS; 62; 1912-2020)
Schizachne purpurascens (RM, SRP; 3; 1994-2018)
Schizachyrium scoparium (WS; 1; 1910)
Sclerochloa dura (BBLM, BLMMD, CIC, ID, IDE, OSC, SRP, USFS, WS, WTU; 41; 1932-2015)
Scolochloa festucacea (SRP; 1; 2009)
Secale cereale (BBLM, CIC, ID, IDE, IDS, RM, SRP, USFS, WTU; 56; 1941-2019)
Setaria italica (IDE; 2; 2014)
Setaria leucopila (IDE; 1; 1986)
Setaria pumila (BOIS, CIC, ID, IDE, IDS, OSC, RM, SRP, WTU; 32; 1937-2020)
ssp. pumila (BOIS, CIC, ID, IDE, IDS, OSC, RM, SRP, WTU; 31; 1937-2020)
Setaria verticillata (CIC, ID, IDE, IDS, RM, WS, WTU, WWB; 21; 1941-2020)
Setaria viridis (BOIS, CIC, CRMO, ID, IDE, IDS, MONT, OSC, RM, SRP, USFS, WS, WTU, WWB; 106; 1901-2020)
var. viridis (ID, SRP; 4; 2018-2020)
Sorghum bicolor (IDE, IDS; 13; 1961-2007)
Sorghum ×drummondii (ID; 1; 1932)
Sorghum halepense (ID, IDE, IDS, WS; 11; 1952-1995)
Spartina gracilis (BOIS, CIC, ID, IDS, NY, SBLM, SRP, WS; 58; 1916-2019)
Spartina pectinata (CIC, ID, IDE, IDS, NY, SRP, WS, WTU; 22; 1911-2017)
Sphenopholis obtusata (CIC, CRMO, ID, NY, RM, SRP; 9; 1893-2006)
Sporobolus airoides (CIC, ID, IDS, NY, SRP, WS, WTU; 37; 1934-2008)
Sporobolus compositus (ID; 1; 1992)
Sporobolus cryptandrus (BOIS, CIC, CRMO, ID, IDE, IDS, NY, OSC, SRP, WS, WTU, WWB; 107; 1926-2020)
Sporobolus texanus (ID; 1; 2009)
Sporobolus vaginiflorus (CIC, ID, IDE, SRP; 24; 1982-2020)
var. vaginiflorus (ID; 15; 2019-2020)
Stipa lettermanii × Stipa occidentalis var. pubescens (WTU; 1; 1944)
Taeniatherum caput-medusae (BBLM, BBLM-OWY, BLMVL, BOIS, CIC, CIC-PYNF, CIC-SHO, ID, IDE, IDS, OSC, RM, SRP, USFS, WS, WTU; 108; 1946-2019)
Thinopyrum elongatum (ID, IDE, IDS, SRP; 11; 1974-2012)
Thinopyrum intermedium (BBLM, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDE, IDS, OSC, RM, SRP, WTU, WWB; 93; 1941-2020)
ssp. barbulatum (CIC, CIC-SHO, ID, SRP, WTU; 14; 1966-2019)
ssp. intermedium (CIC, ID, OSC; 7; 1982-2020)
var. intermedium (ID; 3; 2009-2011)
Thinopyrum ponticum (CIC, CIC-SHO, CRMO, ID, IDS, OSC, SRP; 28; 1927-2019)
Torreyochloa pallida (BBLM, BOIS, CIC, CIC-PYNF, CRMO, DPP, ID, IDE, IDS, NY, OSC, RM, SBLM, SRP, WS, WTU; 128; 1890-2020)
var. pauciflora (BBLM, BOIS, CIC, CIC-PYNF, DPP, ID, IDE, IDS, NY, OSC, RM, SBLM, SRP, WS, WTU; 122; 1890-2020)
Tridens flavus (OSC; 1; 1897)
Tridens muticus (CIC; 1; 1999)
Tripidium ravennae (SRP; 2; 2013-2014)
Tripogon spicatus (WTU; 1; 1974)
Trisetum canescens (BOIS, CIC, CIC-PYNF, ID, IDS, OSC, RM, SRP, WTU; 79; 1897-2020)
Trisetum cernuum (BOIS, CIC-PYNF, ID, RM, SRP, WS, WTU; 41; 1898-2019)
Trisetum flavescens (SRP, WS; 2; 1971-2018)
Trisetum spicatum (BBLM-OWY, BOIS, CIC, CIC-PYNF, ID, IDS, MONT, NY, OSC, RM, SRP, WS, WTU, WWB; 520; 1897-2020)
Triticum aestivum (BOIS, CIC, CRMO, ID, IDE, IDS, MONT, NY, RM, SRP, USFS, WWB; 36; 1930-2019)
Triticum compactum (IDE; 1; 1966)
Vahlodea atropurpurea (BOIS, CIC, CIC-PYNF, ID, MONT, OSC, RM, SRP, V, WS, WTU; 74; 1895-2020)
Ventenata dubia (BBLM-OWY, CIC, EWU, ID, IDE, OSC, SRP, WS, WTU; 95; 1957-2020)
Vulpia bromoides (BBLM-OWY, CIC, CIC-PYNF, ID, IDS, MONT, NY, OSC, RM, SRP, WS, WTU; 48; 1892-2020)
Vulpia microstachys (BBLM, BOIS, CIC, CIC-PYNF, CIC-SHO, CRMO, ID, IDS, MONT, OSC, RM, SRP, WS, WTU; 110; 1890-2020)
var. ciliata (CIC-SHO, IDS; 2; 1936-1975)
var. confusa (IDS; 1; 1927)
var. microstachys (CIC, WS; 3; 1945-2013)
var. pauciflora (BOIS, CIC, CIC-PYNF, CRMO, ID, IDS, MONT, OSC, RM, SRP, WS, WTU; 51; 1898-2017)
Vulpia myuros (BBLM, CIC, EWU, ID, IDE, IDS, OSC, RM, SRP, USFS, WS, WTU; 66; 1913-2020)
Vulpia octoflora (BBLM, BBLM-OWY, BOIS, CIC, CRMO, ID, IDS, NY, OSC, SBLM, SRP, WS, WTU; 98; 1895-2020)
var. hirtella (BBLM, CIC, ID, IDS, OSC, WS; 20; 1936-2020)
var. octoflora (CIC, IDS, SBLM, SRP, WS; 12; 1895-2010)
Zea mays (CIC; 1; 1960)
Zizania aquatica (ID, IDE, IDS, UBC; 10; 1932-2004)
Zizania palustris (BLMMD, ID, V, WS, WTU; 15; 1927-2019)
var. interior (V, WS; 2; 1927-1978)
var. palustris (ID, WTU; 2; 1963-2019)