Vascular Plants of the Pacific Northwest
Cyperaceae

Generated from PNW Herbaria database
June 23, 2018.

18 genus names
605 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)

Index to Genera:


Amphiscirpus
Amphiscirpus nevadensis (BC, ID, MT, OR, WA; 98; 1885-2015)
Blysmopsis
Blysmopsis rufa (AK, YK; 4; 1931-2003)
Bolboschoenus
Bolboschoenus fluviatilis (BC, ID, MT, OR, WA; 59; 1900-2017)
Bolboschoenus glaucus (BC, ID; 13; 1939-2008)
Bolboschoenus maritimus (AK, BC, ID, MT, OR, WA; 477; 1882-2017)
ssp. maritimus (WA; 3; 1976-1992)
ssp. paludosus (AK, BC, ID, MT, OR, WA; 307; 1882-2017)
Bolboschoenus novae-angliae (OR; 2; 2003)
Bolboschoenus robustus (BC, ID, OR, WA; 11; 1916-1965)
Bulboschoenus
Bulboschoenus glaucus (ID; 1; 2016)
Bulbostylis
Bulbostylis capillaris (BC, MT, OR; 6; 1887-2005)
Bulbostylis stenophylla (ID, OR; 2; 1999-2002)
Carex
Carex aboriginum (BC, ID; 9; 1899-2016)
Carex abrupta (ID, OR, WA; 69; 1916-2014)
Carex acuta (AK; 1; 1940)
Carex adelostoma (AK, ID; 4; 1973-2003)
Carex adjusta (BC; 1; 1963)
Carex adusta (BC, ID; 2; 1955-1956)
Carex albonigra (AK, BC, ID, MT, WA, YK; 303; 1895-2016)
Carex amphibola (ID, MT; 3; 1990-2014)
Carex amplifolia (BC, ID, MT, OR, WA; 422; 1866-2017)
Carex angustata (ID, OR, WA; 143; 1882-2013)
Carex anthoxanthea (AK, BC, WA; 215; 1904-2016)
Carex aperta (BC, ID, MT, OR, WA; 275; 1881-2016)
f. hydroessa (WA; 1; 1909)
f. mimetica (WA; 1; 1914)
Carex aquatilis (AK, BC, ID, MT, OR, WA, YK; 2094; 1883-2017)
ssp. aquatilis (AK, BC, YK; 20; 1970-2008)
var. aquatilis (AK, BC, ID, MT, OR, WA, YK; 372; 1886-2017)
var. dives (AK, BC, ID, MT, OR, WA; 531; 1883-2017)
Carex aquatilis var. dives × Carex lyngbyei (BC; 1; 1957)
Carex aquatilis var. dives × Carex obnupta (WA; 1; 2009)
var. minor (AK, BC, ID, YK; 38; 1950-2016)
var. substricta (BC; 3; 2003-2012)
Carex aquatilis × Carex scopulorum (WA; 1; 1979)
Carex aquatilis × Carex scopulorum var. bracteosa (OR; 1; 1980)
Carex arapahoensis (MT; 2; 1976-1978)
Carex arcta (AK, BC, ID, MT, OR, WA, YK; 473; 1882-2016)
var. atrosquama (BC; 1; 1944)
Carex arctaeformis (BC; 19; 1915-1993)
Carex arctiformis (AK, BC; 30; 1915-2001)
Carex arenaria (OR; 11; 1916-2010)
Carex arenicola (BC; 1; 1957)
ssp. arenicola (BC; 1; 1957)
Carex arthrostachya (WA; 1; 1975)
Carex assiniboinensis (AK; 1; 1941)
Carex atherodes (AK, BC, ID, MT, OR, WA, YK; 177; 1889-2015)
Carex athrostachya (BC, ID, MT, OR, WA; 869; 1882-2017)
Carex atrata (AK, BC, ID, MT, OR, WA, YK; 74; 1888-2014)
Carex atratiformis (AK, BC, ID, MT, OR, WA, YK; 61; 1936-2015)
Carex atrofusca (AK, YK; 127; 1918-2014)
Carex atrosquama (AK, BC, ID, MT, OR, WA, YK; 211; 1894-2017)
Carex atrosquama × Heteroneura (WA; 1; 2009)
Carex aurea (AK, BC, ID, MT, OR, WA, YK; 699; 1880-2017)
Carex backii (BC, ID, MT, WA; 22; 1948-2007)
Carex barbarae (OR; 24; 1884-2010)
Carex bebbii (AK, BC, ID, MT, OR, WA, YK; 364; 1892-2015)
Carex bicolor (AK, BC, YK; 110; 1926-2014)
var. androgyma (YK; 1; 1968)
var. androgyna (BC; 1; 1968)
var. bicolor (BC; 1; 1982)
Carex bigelowii (AK, BC, ID, MT, WA, YK; 691; 1800-2016)
ssp. bigelowii (AK, WA, YK; 16; 1929-1966)
ssp. lugens (AK, BC, YK; 124; 1899-2016)
Carex bolanderi (BC, ID, MT, OR, WA; 207; 1882-2015)
ssp. bolanderi (BC, ID, MT, OR, WA; 37; 1883-1995)
ssp. infirminervia (BC, ID, MT, OR, WA; 7; 1928-1949)
Carex bonanzensis (AK, YK; 15; 1899-2014)
Carex boolanderi (BC; 1; 2013)
Carex brainerdii (OR; 23; 1916-2012)
Carex brevior (BC, ID, MT, OR, WA; 188; 1888-2013)
Carex breweri (BC, ID, MT, OR, WA; 111; 1882-2013)
Carex brewerii (MT, OR; 2; 1970)
Carex brewweri (WA; 1; 1978)
var. padvensis (WA; 1; 1978)
Carex brunnescens (AK, BC, ID, MT, OR, WA, YK; 323; 1861-2016)
ssp. brunnescens (AK, BC, ID, OR, WA, YK; 39; 1938-2014)
ssp. heleonastes (BC; 1; 1980)
ssp. sphaerostachya (BC, ID, WA; 9; 1939-2001)
var. brunnescens (BC, ID, MT, OR; 13; 1987-2008)
var. disjuncta (BC; 1; 1975)
Carex buchananii (OR, WA; 6; 2012-2013)
Carex buxbaumii (AK, BC, ID, MT, OR, WA, YK; 338; 1890-2015)
Carex californica (ID, OR, WA; 55; 1893-2014)
Carex campacta (AK; 1; 1918)
Carex canescens (AK, BC, ID, MT, OR, WA, YK; 1026; 1882-2016)
ssp. canescens (AK, BC, ID, OR, WA; 144; 1912-2015)
ssp. disjuncta (BC, MT; 3; 1971-2013)
var. arctaeformis (BC; 1; 1977)
var. canescens (AK, ID, MT, WA; 40; 1895-2009)
Carex capillaris (AK, BC, ID, MT, OR, WA, YK; 470; 1888-2015)
ssp. capillaris (BC, ID, YK; 4; 1944-2005)
ssp. elongata (BC; 4; 1956)
ssp. fuscidula (AK, YK; 3; 1999-2002)
Carex capitata (AK, BC, ID, MT, OR, WA, YK; 225; 1931-2015)
var. capitata (YK; 1; 1960)
Carex chalciolepis (MT; 11; 1941-2015)
Carex chionophila (YK; 1; 1902)
Carex chloropoda (MT; 1; 1903)
Carex chordorrhiza (AK, BC, ID, MT, OR, WA, YK; 205; 1948-2014)
Carex circinata (AK, BC, WA; 165; 1900-2014)
Carex communis (OR; 3; 2009-2012)
Carex comosa (BC, ID, MT, OR, WA; 64; 1882-2017)
Carex concinna (AK, BC, ID, MT, OR, WA, YK; 265; 1887-2015)
Carex concinnoides (BC, ID, MT, OR, WA; 376; 1893-2017)
Carex conescens (MT; 1; 1917)
Carex congdonii (ID; 1; 1990)
Carex cordillerana (BC, ID, MT, OR, WA; 81; 1886-2017)
Carex crawei (BC, ID, MT, OR; 28; 1916-2010)
var. tinctoria (BC; 1; 2004)
Carex crawfordii (AK, BC, ID, MT, OR, WA, YK; 216; 1904-2016)
Carex crinita (ID; 1; 2000)
Carex cristatella (ID; 1; 1884)
Carex cryptolepis (MT; 1; 1950)
Carex cusickii (BC, ID, MT, OR, WA; 402; 1879-2016)
Carex davyi (ID, OR, WA; 13; 1898-2009)
Carex deflex (ID; 3; 2005-2013)
var. boottii (ID; 3; 2005-2013)
Carex deflexa (AK, BC, ID, MT, OR, WA, YK; 103; 1882-2014)
var. boottii (BC, ID, MT, OR, WA; 42; 1882-2014)
var. deflexa (BC, ID; 4; 2009-2013)
Carex densa (OR, WA; 160; 1886-2017)
Carex deweyana (AK, BC, ID, MT, WA, YK; 378; 1884-2016)
var. deweyana (AK, BC, ID, MT, WA, YK; 66; 1884-2014)
Carex diandra (AK, BC, ID, MT, OR, WA, YK; 264; 1889-2015)
Carex diluta (MT; 4; 2006-2014)
Carex dioica (AK, YK; 58; 1935-2013)
Carex dioica × Carex tenuiflora (AK; 1; 1951)
Carex disperma (AK, BC, ID, MT, OR, WA, YK; 627; 1881-2017)
Carex distans (OR; 8; 2001-2011)
Carex divulsa (OR, WA; 5; 2007-2016)
ssp. divulsa (WA; 1; 2007)
ssp. leersii (WA; 3; 2011-2015)
Carex douglasii (BC, ID, MT, OR, WA; 575; 1882-2017)
var. laxiflora (MT; 1; 1888)
Carex duriuscula (AK, BC, ID, MT, OR, YK; 237; 1885-2017)
Carex ebenea (ID, MT; 13; 1941-2000)
Carex eburnea (AK, BC, MT, WA, YK; 105; 1941-2014)
Carex echinata (AK, BC, ID, MT, OR, WA; 722; 1881-2017)
ssp. echinata (AK, BC, ID, MT, OR, WA; 277; 1881-2012)
ssp. phyllomanica (AK, BC, ID, OR, WA; 241; 1884-2010)
var. echinata (OR, WA; 2; 1946-2007)
Carex egglestonii (ID; 8; 1939)
Carex eleusinoides (AK, BC, MT, YK; 68; 1944-2013)
Carex elrodi (MT; 2; 1909)
Carex elynoides (BC, ID, MT; 151; 1932-2016)
Carex emoryi (ID; 1; 1977)
Carex enanderi (AK, BC, MT, YK; 136; 1909-2015)
Carex engelmannii (BC, ID, MT, WA; 113; 1889-2016)
Carex epapillosa (BC, ID, MT, OR, WA; 154; 1888-2009)
Carex exsiccata (BC, ID, MT, OR, WA; 388; 1880-2015)
var. globosa (BC; 2; 1897-1898)
var. pungens (BC; 1; 1962)
var. pungeus (BC; 2; 1895-1896)
Carex feta (BC, ID, OR, WA; 168; 1885-2014)
Carex filifolia (AK, BC, ID, MT, OR, WA, YK; 574; 1884-2017)
var. erostrata (OR; 3; 1967-1994)
var. filifolia (ID, OR, WA; 44; 1884-2014)
Carex filiformis (BC; 2; 1976-1984)
Carex fissuricola (ID, OR; 10; 1942-2010)
Carex flava (AK, BC, ID, MT, WA, YK; 236; 1889-2015)
ssp. viridula (BC; 3; 1942-1970)
Carex ×flavicans (YK; 4; 2006)
Carex foenea (AK, BC, ID, MT, YK; 185; 1892-2013)
Carex fracta (ID, MT, OR, WA; 69; 1893-2017)
Carex frankii (BC; 3; 1993)
Carex fuliginosa (AK, BC, ID, MT, YK; 271; 1929-2015)
Carex garberi (AK, BC, ID, MT, WA, YK; 162; 1892-2017)
ssp. garberi (BC; 9; 1992-2012)
Carex geophila (ID; 1; 1993)
Carex geyeri (BC, ID, MT, OR, WA; 824; 1880-2017)
Carex glacialis (AK, BC, MT, YK; 129; 1949-2014)
var. glacialis (BC; 1; 1978)
Carex glareosa (AK, BC, YK; 134; 1700-2014)
ssp. glareosa (AK, BC; 11; 1898-2012)
Carex globosa (OR; 2; 1950)
Carex gmelini (AK; 9; 1970-1979)
Carex gmelinii (AK, BC; 147; 1897-2017)
Carex gracillima (ID; 1; 2000)
Carex granularis (BC, ID; 4; 1993-2006)
Carex gravida (MT; 31; 1955-2013)
Carex grenicola (BC; 1; 1984)
Carex grisea (OR; 1; 1992)
Carex gynocrates (AK, BC, ID, MT, OR, WA, YK; 246; 1912-2017)
Carex gynodynama (OR; 16; 1913-2012)
Carex halliana (OR, WA; 127; 1882-2017)
Carex hallii (ID, MT; 4; 1871-2008)
Carex harfordii (OR, WA; 9; 1929-2008)
Carex ×hartii (WA; 1; 1932)
Carex hassei (AK, BC, ID, MT, OR, WA; 52; 1880-2013)
Carex haydeniana (BC, ID, MT, OR, WA; 232; 1886-2014)
Carex heleonastes (AK, BC, YK; 14; 1960-2006)
Carex hendersonii (BC, ID, OR, WA; 281; 1881-2017)
Carex heteroneura (BC, ID, MT, OR, WA; 123; 1886-2014)
Carex hirsutella (OR; 3; 2013-2014)
Carex hirta (BC, OR; 7; 1916-2014)
Carex holostoma (AK, YK; 32; 1950-2014)
Carex hoodii (AK, BC, ID, MT, OR, WA; 1141; 1881-2017)
var. nervosa (ID; 1; 1912)
Carex hystericina (BC, ID, MT, OR, WA; 148; 1886-2014)
Carex idahoa (BC, ID, MT, OR; 58; 1895-2016)
Carex idahoensis (WA; 1; 1892)
Carex illota (BC, ID, MT, OR, WA; 444; 1882-2015)
Carex incurviformis (AK, BC, ID, MT, YK; 31; 1944-2014)
Carex infirminervia (AK, BC, MT, OR, WA; 42; 1894-2017)
Carex inops (BC, MT, OR, WA; 534; 1881-2017)
ssp. heliophila (BC, MT; 99; 1888-2011)
ssp. inops (BC, OR, WA; 321; 1881-2017)
Carex integra (AK, MT, OR, WA; 36; 1903-2009)
Carex interior (AK, BC, ID, MT, OR, WA, YK; 297; 1884-2016)
f. keweenawensis (MT; 1; 1955)
Carex interrupta (BC, ID, MT, OR, WA; 124; 1881-2010)
Carex intumescens (OR; 1; 2000)
Carex jonesii (BC, ID, MT, OR, WA; 168; 1892-2015)
Carex kelloggii (AK, BC, ID, MT, OR, WA, YK; 1481; 1881-2017)
var. impressa (AK, ID, OR, WA; 96; 1905-2016)
var. kelloggii (AK, BC, ID, MT, OR, WA, YK; 814; 1881-2017)
var. limnophila (AK, BC, OR, WA; 273; 1886-2014)
Carex klamathensis (OR; 22; 1930-2009)
Carex kobomugi (OR, WA; 10; 1907-2015)
Carex krausei (AK, BC, YK; 123; 1926-2017)
Carex lachenalii (AK, BC, ID, MT, YK; 490; 1909-2016)
Carex lacustris (BC, ID, MT, WA; 15; 1952-2014)
Carex laevicaulis (BC; 2; 1979-1992)
Carex laeviconica (ID, MT; 14; 1886-2017)
Carex laeviculmis (AK, BC, ID, MT, OR, WA; 601; 1880-2016)
Carex lapponica (AK, BC, MT, YK; 32; 1901-2011)
Carex lasiocarpa (AK, BC, ID, MT, OR, WA, YK; 703; 1880-2018)
Carex laxa (AK, YK; 4; 1995-2003)
Carex laxiculmis (AK; 1; 1992)
Carex lenticularis (AK, BC, ID, MT, OR, WA; 429; 1888-2016)
var. lenticularis (BC, ID, MT, WA; 46; 1908-2012)
Carex leporina (BC, ID, OR, WA; 105; 1890-2016)
Carex leporinella (ID, MT, OR, WA; 162; 1886-2017)
Carex leptalea (AK, BC, ID, MT, OR, WA, YK; 492; 1881-2015)
Carex leptopoda (BC, ID, MT, OR, WA; 321; 1882-2015)
var. leptopoda (BC; 1; 1956)
Carex limosa (AK, BC, ID, MT, OR, WA, YK; 382; 1881-2016)
Carex livida (AK, BC, ID, MT, OR, WA, YK; 262; 1901-2015)
Carex loliacea (AK, BC, YK; 72; 1943-2017)
Carex longii (BC, OR, WA; 7; 1998-2004)
Carex lupulina (ID, OR; 3; 1940-2003)
Carex luzulifolia (OR, WA; 2; 1892-1996)
Carex luzulina (BC, ID, MT, OR, WA; 607; 1880-2017)
Carex lyngbeyii (BC; 1; 2003)
Carex lyngbyei (AK, BC, ID, OR, WA; 650; 1871-2017)
ssp. cryptocarpa (AK, BC; 24; 1911-2005)
Carex mackenziei (AK, YK; 61; 1941-2015)
Carex macloviana (AK, BC, ID, MT, OR, WA, YK; 211; 1886-2014)
Carex macrocephala (AK, BC, ID, OR, WA; 269; 1882-2014)
ssp. anthericoides (AK; 3; 1951)
ssp. pachystachya (AK; 1; 1977)
Carex macrochaeta (AK, BC, OR, WA, YK; 519; 1869-2016)
Carex magellanica (AK, BC, ID, MT, WA, YK; 290; 1912-2017)
ssp. irrigua (AK, BC, ID, MT, WA, YK; 190; 1912-2014)
ssp. nebrascensis (BC; 1; 1981)
Carex marcida (MT, OR, WA; 6; 1885-1914)
var. debilis (OR; 1; 1885)
Carex marina (AK, YK; 44; 1939-2011)
Carex mariposana (ID, OR; 4; 1982-2005)
Carex maritima (AK, BC, MT, YK; 156; 1943-2017)
Carex media (AK, BC, ID, MT, OR, WA, YK; 327; 1887-2016)
ssp. media (BC; 4; 1972-1981)
Carex membranacea (AK, BC, YK; 393; 1893-2017)
Carex mendocinensis (OR, WA; 78; 1884-2012)
Carex merritt-fernaldii (ID; 1; 1997)
Carex mertensii (AK, BC, ID, MT, OR, WA; 828; 1881-2017)
ssp. mertensii (BC; 2; 1957-1993)
var. mertensii (BC; 3; 1957-1960)
Carex mesochorea (WA; 2; 1898)
Carex microchaeta (AK, BC, YK; 458; 1902-2016)
ssp. microchaeta (BC, YK; 13; 1981-2005)
ssp. microcheata (BC; 1; 1998)
ssp. nesophila (AK, YK; 28; 1968-2014)
Carex microglochin (AK, BC, MT, YK; 69; 1931-2014)
Carex micropoda (AK, BC, ID, MT, OR, WA, YK; 295; 1700-2017)
Carex microptera (BC, ID, MT, OR, WA, YK; 1831; 1882-2017)
var. microptera (ID, MT, OR, WA; 210; 1895-2012)
Carex micrpoda (AK, YK; 5; 1998-2004)
Carex minicaulis (OR; 1; 1975)
Carex monile (ID, WA; 2; 1908-1929)
var. pacifica (ID, WA; 2; 1908-1929)
Carex multicaulis (ID, OR; 63; 1884-2016)
Carex muricata (AK, BC, ID, MT, WA; 58; 1886-1999)
var. lamprocarpa (ID, WA; 4; 1974-1994)
Carex nardina (AK, BC, ID, MT, OR, WA, YK; 450; 1700-2017)
Carex naticola (AK; 1; 1948)
Carex nebrascensis (BC, ID, MT, OR, WA; 784; 1880-2017)
var. erucaeformis (WA; 1; 1919)
Carex nebraskensis (MT; 2; 1886-1888)
var. praevia (MT; 2; 1886-1888)
Carex nelsonii (MT; 12; 1976-2015)
Carex nervina (OR; 12; 1918-2010)
Carex neurophora (ID, MT, OR, WA; 178; 1892-2015)
Carex nigra (BC; 8; 1997-2014)
Carex nigricans (AK, BC, ID, MT, OR, WA, YK; 870; 1882-2014)
Carex norvegica (ID, YK; 8; 1948-1992)
Carex nova (MT; 6; 1994-2009)
var. nova (MT; 6; 1994-2009)
Carex nudata (ID, OR, WA; 134; 1882-2015)
Carex obnupta (AK, BC, OR, WA; 530; 1882-2013)
Carex obtusata (AK, BC, ID, MT, WA, YK; 187; 1887-2015)
Carex occidentalis (ID, MT; 9; 1895-2016)
Carex olympica (BC, WA; 10; 1890-1915)
Carex ovalis (AK, BC, ID, MT, OR, WA; 146; 1891-2013)
Carex pachycarpa (AK, ID, MT, OR, WA; 292; 1882-2016)
Carex pachystachya (AK, BC, ID, MT, OR, WA, YK; 1405; 1700-2016)
ssp. compacta (BC, MT, WA; 16; 1892-1972)
ssp. pachystachya (AK, BC, ID, MT, OR, WA; 135; 1883-1980)
var. compacta (ID; 5; 1910-1987)
Carex pallescens (BC, ID, MT, WA; 34; 1978-2014)
Carex ×paludivagans (AK; 8; 1926-2005)
Carex panicea (WA; 1; 1965)
Carex pansa (BC, OR, WA; 97; 1886-2012)
Carex parryana (AK, BC, ID, MT, WA, YK; 106; 1886-2009)
ssp. parryana (MT; 1; 1995)
Carex pauciflora (AK, BC, WA, YK; 203; 1890-2015)
Carex paysonis (AK, BC, ID, MT, OR, WA, YK; 362; 1895-2017)
Carex peckii (AK, BC; 24; 1956-2014)
Carex pedunculata (BC; 5; 1978-2006)
Carex pellita (BC, ID, MT, OR, WA, YK; 560; 1866-2016)
Carex pelocarpa (ID, MT, OR; 128; 1894-2017)
Carex pendula (BC, OR, WA; 49; 1999-2017)
Carex pensylvanica (BC, MT, OR, WA; 28; 1887-1994)
Carex petasata (BC, ID, MT, OR, WA, YK; 481; 1881-2016)
Carex petricosa (AK, BC, MT, YK; 140; 1943-2016)
var. petricosa (AK, YK; 17; 1957-2013)
Carex phaeocephala (AK, BC, ID, MT, OR, WA, YK; 831; 1880-2017)
Carex phaeolepis (OR; 1; 1894)
Carex ×physocarpioides (ID, OR, WA; 10; 1977-2000)
Carex pluriflora (AK, BC, OR, WA; 294; 1891-2014)
Carex podocarpa (AK, BC, ID, MT, WA, YK; 579; 1883-2016)
Carex polytrichoides (WA; 1; 1893)
Carex praeceptorum (BC, ID, MT, OR, WA; 113; 1886-2015)
Carex praegracilis (BC, ID, MT, OR, WA, YK; 731; 1884-2016)
var. simulata (BC; 1; 1978)
Carex prairea (BC, MT; 13; 1975-1998)
Carex praticola (AK, BC, ID, MT, OR, WA, YK; 525; 1884-2017)
Carex preslii (BC, ID, MT, OR, WA; 337; 1882-2017)
Carex proposita (ID, MT, WA; 74; 1916-2014)
Carex pumila (OR; 4; 1916)
Carex pyrenaica (AK, BC, ID, MT, OR, WA, YK; 369; 1890-2008)
Carex radiata (ID, WA; 2; 1970-1995)
Carex ramenskii (AK, YK; 44; 1951-2014)
Carex rariflora (AK, YK; 180; 1945-2016)
ssp. rariflora (YK; 1; 2008)
Carex raynoldsii (BC, ID, MT, OR, WA; 517; 1881-2013)
Carex redowskiana (MT; 1; 1887)
Carex retrorsa (BC, ID, MT, OR, WA; 237; 1887-2017)
Carex retrorsa × Carex utriculata (WA; 1; 2010)
Carex reynoldsii (MT; 6; 1921-1960)
Carex richardsonii (BC, MT, OR; 14; 1893-2006)
Carex rigida (OR; 1; 1906)
var. inferalfoina (OR; 1; 1906)
Carex rossii (AK, BC, ID, MT, OR, WA, YK; 1187; 1882-2017)
Carex rostrata (AK, BC, ID, MT, WA, YK; 575; 1888-2016)
Carex rotundata (AK, YK; 193; 1925-2016)
Carex rupestris (AK, BC, ID, MT, WA, YK; 243; 1943-2015)
ssp. rupestris (BC; 6; 1979-2008)
Carex rupestrius (BC; 1; 1996)
Carex rynchophysa (AK; 1; 1952)
Carex sabulosa (YK; 34; 1915-2009)
Carex salina (AK; 1; 1937)
Carex sartwellii (AK, BC, ID, MT, WA, YK; 82; 1887-2014)
var. occidentalis (BC; 1; 1918)
Carex saxatilis (AK, BC, ID, MT, OR, WA, YK; 713; 1892-2017)
var. laxa (BC; 7; 1970-1981)
Carex saxatilis × Carex utriculata (AK; 1; 2011)
Carex saximontana (BC, MT; 38; 1888-2009)
Carex scabriuscula (OR; 20; 1902-2007)
Carex scirpoidea (AK, BC, ID, MT, OR, WA, YK; 931; 1800-2017)
ssp. pseudoscirpoidea (BC, ID, MT, OR, WA; 179; 1896-2017)
ssp. scirpoidea (AK, BC, ID, MT, OR, WA, YK; 185; 1904-2016)
ssp. stenochlaena (AK, BC, ID, MT, OR, WA, YK; 146; 1892-2017)
Carex scogganii (BC; 1; 1964)
Carex scoparia (BC, ID, MT, OR, WA; 179; 1882-2017)
var. amplicapitata (ID; 1; 1892)
Carex scopulorum (BC, ID, MT, OR, WA; 1174; 1882-2017)
var. bracteosa (BC, ID, MT, OR, WA; 656; 1882-2017)
var. prionophylla (ID, MT, OR, WA; 70; 1895-2007)
var. prionophyllum (BC, ID, MT, OR, WA; 150; 1895-2015)
var. scopulorum (ID, MT, OR; 80; 1897-2008)
Carex serpenticola (OR; 70; 1931-2007)
Carex serratodens (OR; 19; 1913-2006)
Carex sheldonii (ID, OR, WA; 94; 1897-2016)
Carex siccata (AK, BC, ID, MT, WA, YK; 39; 1893-2016)
var. obscurior (WA; 2; 1893)
Carex simulata (BC, ID, MT, OR, WA; 267; 1882-2017)
Carex specifica (OR; 2; 2003)
Carex spectabilis (AK, BC, ID, MT, OR, WA, YK; 892; 1883-2017)
Carex spicata (WA; 2; 2007)
Carex sprengelii (AK, BC, MT, WA; 102; 1886-2017)
Carex sprengelli (BC; 1; 2016)
Carex squarrosa (ID; 1; 1977)
Carex stellulata (ID; 1; 1913)
Carex stenoptila (ID, MT, WA; 15; 1956-2013)
Carex stevenii (AK, MT; 31; 1965-2009)
Carex stipata (AK, BC, ID, MT, OR, WA; 767; 1880-2018)
ssp. stipa (ID, WA; 3; 1989-2003)
ssp. stipata (WA; 1; 1979)
var. stipata (AK, BC, ID, MT, OR, WA; 301; 1880-2014)
Carex straminea (WA; 2; 1907)
Carex straminiformis (ID, OR, WA; 113; 1882-2017)
Carex striata (MT; 1; ?)
Carex stricticulmis (WA; 1; 1908)
Carex stylosa (AK, BC, WA, YK; 190; 1904-2017)
Carex subbracteata (BC, OR, WA; 27; 1917-2016)
Carex suberecta (ID; 2; 1990-2017)
Carex subfusca (ID, MT, OR, WA; 241; 1896-2017)
Carex subnigricans (ID, OR, WA; 29; 1941-2007)
Carex subspathacea (AK, YK; 81; 1941-2012)
Carex suksdorfii (WA; 2; 1905)
var. ovalis (WA; 2; 1905)
Carex supina (AK, BC, YK; 131; 1939-2017)
ssp. spaniocarpa (AK, BC, YK; 27; 1943-2013)
Carex swanii (BC, ID; 3; 1995-2001)
Carex sychnocephala (AK, BC, ID, MT, OR, WA, YK; 81; 1890-2015)
Carex sylvatica (BC, WA; 20; 1994-2013)
Carex tahoensis (AK, BC, ID, MT, OR, WA, YK; 83; 1913-2017)
Carex tenera (BC, ID, MT, WA; 61; 1885-2016)
Carex tenuiflora (AK, BC, ID, MT, WA, YK; 188; 1926-2016)
Carex tenuifolia (YK; 1; 2014)
Carex teretiuscula (BC, MT; 2; 1887-1908)
Carex tiogana (OR; 2; 2001-2007)
Carex tonsa (BC; 14; 1976-2013)
var. tonsa (BC; 9; 1976-2013)
Carex torreyi (BC, MT; 31; 1889-2011)
Carex torta (ID; 1; 2001)
Carex tribuloides (BC, OR, WA; 27; 1974-2011)
var. tribuloides (BC, OR, WA; 14; 1989-2011)
Carex trisperma (BC; 25; 1954-2004)
Carex tumulicola (BC, ID, OR, WA; 89; 1893-2017)
Carex umbellata (BC; 1; 1982)
Carex unilateralis (BC, ID, OR, WA; 143; 1882-2013)
Carex ursina (AK, YK; 33; 1950-2014)
Carex utriculata (AK, BC, ID, MT, OR, WA, YK; 1964; 1878-2017)
Carex vagans (OR; 1; 1896)
Carex vaginata (AK, BC, ID, MT, WA, YK; 253; 1926-2015)
Carex vallicola (BC, ID, MT, OR, WA; 141; 1894-2016)
Carex vernacula (ID, MT, OR, WA; 49; 1884-2016)
Carex versicaria (BC; 1; 1977)
Carex vesicaria (BC, ID, MT, OR, WA; 494; 1883-2016)
Carex viridula (AK, BC, ID, MT, OR, WA, YK; 506; 1887-2016)
ssp. viridula (AK, BC, ID, MT, OR, WA, YK; 326; 1887-2014)
Carex vulgaris (WA; 1; 1882)
var. alpina (WA; 1; 1882)
Carex vulpinoidea (BC, ID, MT, OR, WA, YK; 212; 1893-2017)
Carex whitneyi (OR; 24; 1896-2010)
Carex williamsii (AK, YK; 85; 1899-2014)
Carex woodii (ID; 1; 2014)
Carex xerantica (AK, BC, ID, MT, OR, YK; 77; 1921-2015)
Carex zikae (BC, OR, WA; 86; 1886-2010)
Cyperus
Cyperus acuminatus (BC, ID, MT, OR, WA; 37; 1880-2016)
Cyperus aggregatus (OR; 1; 1916)
Cyperus bipartitus (ID, MT, OR, WA; 93; 1924-2017)
Cyperus difformis (ID, OR, WA; 18; 1997-2015)
Cyperus eragrostis (BC, ID, OR, WA; 111; 1903-2017)
Cyperus erythrorhizos (BC, ID, MT, OR, WA; 193; 1883-2017)
Cyperus esculentus (BC, ID, MT, OR, WA; 96; 1877-2017)
var. leptostachyus (BC, ID, OR, WA; 58; 1877-2015)
Cyperus filiculmis (ID; 1; 1937)
Cyperus fuscus (OR, WA; 4; 2013-2017)
Cyperus iria (OR; 2; 2014)
Cyperus lupulinus (ID, OR, WA; 13; 1886-2009)
ssp. lupulinus (ID, OR, WA; 13; 1886-2009)
Cyperus ×mesochorus (OR; 1; 2006)
Cyperus niger (OR; 4; 2007-2013)
Cyperus odoratus (OR, WA; 2; 1915-1998)
Cyperus retrorsus (BC; 1; 1995)
Cyperus schweinitzii (ID, MT, OR, WA; 47; 1941-2015)
Cyperus squarrosus (BC, ID, MT, OR, WA; 398; 1880-2017)
Cyperus strigosus (BC, ID, MT, OR, WA; 120; 1885-2017)
Dulichium
Dulichium arundinaceum (AK, BC, ID, MT, OR, WA; 271; 1880-2017)
Eleocharis
Eleocharis acicularis (AK, BC, ID, MT, OR, WA, YK; 588; 1877-2017)
Eleocharis atropurpurea (BC, WA; 5; 1892-2014)
Eleocharis bella (ID, MT, OR, WA; 84; 1880-2016)
Eleocharis bolanderi (ID, OR, WA; 60; 1900-2018)
Eleocharis coloradoensis (BC, ID, WA; 22; 1939-2017)
Eleocharis compressa (BC, MT; 4; 1895-1997)
var. acutisquamata (BC; 1; 1951)
var. compressa (MT; 1; 1933)
Eleocharis decumbens (OR; 3; 1929-1982)
Eleocharis elliptica (BC, MT; 20; 1894-2014)
Eleocharis engelmannii (BC, ID, MT, OR, WA; 40; 1892-2011)
Eleocharis erythropoda (AK, BC, ID, MT, OR, WA, YK; 35; 1934-2016)
Eleocharis flavescens (MT, OR, WA; 4; 1881-1970)
var. flavescens (MT; 2; 1881-1897)
var. olivacea (WA; 1; 1889)
Eleocharis geniculata (BC; 11; 1939-2014)
Eleocharis intermedia (OR; 1; 1965)
Eleocharis kamtschatica (AK, BC; 81; 1940-2014)
Eleocharis macrostachya (AK, BC, ID, MT, OR, WA, YK; 534; 1880-2017)
Eleocharis macrostachya × Eleocharis obtusa (WA; 1; 2014)
Eleocharis mamillata (AK, BC, YK; 34; 1926-2015)
ssp. mamillata (BC; 2; 2003-2004)
Eleocharis microstachya (OR; 1; 2017)
Eleocharis montevidensis (ID, OR; 2; 1932-1972)
Eleocharis nitida (AK, BC; 8; 1931-2013)
Eleocharis obtusa (AK, BC, ID, OR, WA; 273; 1877-2017)
Eleocharis ovata (BC, ID, MT, OR, WA; 194; 1886-2015)
Eleocharis palustris (AK, BC, ID, MT, OR, WA, YK; 1465; 1881-2017)
ssp. pacifica (BC; 1; 2007)
var. calva (OR; 2; 1940)
Eleocharis parishii (ID, OR; 20; 1909-2007)
Eleocharis parvula (AK, BC, ID, OR, WA; 39; 1915-2014)
Eleocharis quadrangulata (OR; 6; 1996-1997)
Eleocharis quinqueflora (AK, BC, ID, MT, OR, WA, YK; 338; 1887-2017)
Eleocharis rostellata (BC, ID, MT, OR, WA; 135; 1882-2016)
Eleocharis suksdorfiana (BC, ID, OR, WA; 82; 1882-2017)
Eleocharis suskdorfiana (WA; 1; 2006)
Eleocharis tenuis (BC, ID, MT, WA; 40; 1892-2013)
Eleocharis uniglumis (AK, BC, ID, WA; 20; 1916-2002)
Eriophorum
Eriophorum angustifolium (AK, BC, ID, MT, OR, WA, YK; 1079; 1862-2016)
ssp. angustifolium (AK, BC, ID, MT, OR, WA, YK; 225; 1862-2016)
ssp. subarcticum (AK; 1; 1977)
ssp. triste (AK, BC, YK; 77; 1939-2012)
var. angustifolium (WA; 1; 2003)
var. major (AK; 1; 1939)
var. scabrescula (AK; 1; 1933)
Eriophorum brachyantherum (AK, BC, ID, MT, WA, YK; 140; 1927-2014)
Eriophorum callitrix (AK, BC, MT, YK; 106; 1933-2014)
Eriophorum chamissonis (AK, BC, ID, MT, OR, WA, YK; 471; 1887-2017)
f. albidum (WA; 1; 1928)
var. chamissonis (AK, BC; 4; 1971-2008)
var. leucothrix (AK; 1; 1967)
Eriophorum crinigerum (OR; 65; 1884-2009)
Eriophorum gracile (AK, BC, ID, MT, OR, WA, YK; 212; 1886-2014)
Eriophorum komarovii (AK; 34; 1954-2005)
Eriophorum lanatum (WA; 1; 2013)
var. integrifolium (WA; 1; 2013)
Eriophorum ×medium (AK, BC, YK; 24; 1900-2005)
ssp. medium (BC, YK; 3; 2005)
Eriophorum russeolum (AK, WA, YK; 223; 1885-2014)
ssp. leiocarpum (AK; 19; 1965-2010)
var. leucoelsix (AK; 1; 1953)
Eriophorum scheuchzeri (AK, BC, MT, YK; 340; 1904-2016)
ssp. leiocarpum (AK; 2; 1984-2003)
var. scheuchzeri (AK, BC; 2; 1981-1984)
Eriophorum vaginatum (AK, BC, MT, YK; 223; 1892-2017)
ssp. vaginatum (AK, BC, YK; 11; 1974-2014)
Eriophorum virginicum (BC, WA; 26; 1990-2007)
Eriophorum viridicarinatum (AK, BC, ID, MT, WA, YK; 139; 1892-2015)
Fuirena
Fuirena scirpoidea (MT; 1; 1999)
Isolepis
Isolepis cernua (AK, BC, OR, WA; 120; 1882-2016)
var. californicus (BC; 1; 1957)
Isolepis pseudosetacea (BC; 6; 2009-2014)
Isolepis setacea (BC, OR, WA; 21; 1919-2016)
Kobresia
Kobresia hyperborea (AK; 1; 1948)
var. lepagei (AK; 1; 1948)
Kobresia myosuroides (AK, BC, MT, OR, WA, YK; 249; 1900-2014)
Kobresia sibirica (AK, BC, MT, YK; 88; 1959-2014)
Kobresia simpliciuscula (AK, BC, ID, MT, OR, YK; 151; 1941-2017)
Lipocarpha
Lipocarpha aristulata (OR, WA; 11; 1877-2011)
Lipocarpha drummondii (WA; 11; 1893-1912)
Lipocarpha micrantha (BC, ID, MT, OR, WA; 41; 1885-2014)
Lipocarpha occidentalis (OR, WA; 6; 1881-1996)
Rhynchospora
Rhynchospora alba (AK, BC, ID, OR, WA; 208; 1890-2016)
Rhynchospora capillacea (BC; 11; 1984-2009)
Rhynchospora capillaris (BC; 1; 1990)
f. leviseta (BC; 1; 1990)
Rhynchospora capitellata (OR; 11; 1919-1997)
Schoenoplectus
Schoenoplectus acutus (AK, BC, ID, MT, OR, WA, YK; 616; 1877-2017)
var. acutus (ID, MT, WA; 39; 1904-2011)
var. occidentalis (BC, ID, MT, OR, WA; 250; 1877-2014)
Schoenoplectus americanus (BC, ID, MT, OR, WA; 283; 1885-2014)
Schoenoplectus californicus (OR; 5; 2009)
Schoenoplectus heterochaetus (BC, ID, MT, OR, WA; 11; 1896-1999)
Schoenoplectus ×kuekenthalianus (OR, WA; 7; 2003-2008)
Schoenoplectus lacustris (BC, WA; 5; 1908-1987)
Schoenoplectus mucronatus (OR, WA; 16; 1998-2016)
Schoenoplectus pungens (AK, BC, ID, MT, OR, WA; 417; 1882-2018)
Schoenoplectus saximontanus (BC, WA; 11; 1988-2004)
var. saximontanus (BC; 1; 1994)
Schoenoplectus subterminalis (AK, BC, ID, MT, OR, WA; 118; 1882-2016)
Schoenoplectus tabernaemontani (AK, BC, ID, MT, OR, WA, YK; 504; 1877-2016)
Schoenoplectus tabernaemontani × Schoenoplectus triqueber (OR; 1; 1920)
Schoenoplectus torreyi (MT; 2; 1901-1903)
Schoenoplectus triqueter (BC, OR, WA; 16; 1982-2011)
Scirpus
Scirpus acutus (BC, YK; 15; 1898-1970)
var. acutus (BC, YK; 15; 1898-1970)
Scirpus atrocinctus (BC, ID, MT, OR, WA; 36; 1950-2011)
Scirpus atrovirens (BC, MT, WA; 7; 1921-2013)
Scirpus caespitosus (AK, YK; 2; 1946-1966)
ssp. austriacus (YK; 1; 1966)
ssp. austriasa (AK; 1; 1946)
Scirpus cernuus (BC; 1; 1982)
var. brachypodus (BC; 1; 1982)
Scirpus cespitosus (AK; 1; 1932)
ssp. callosus (AK; 1; 1932)
Scirpus congdonii (OR, WA; 90; 1903-2014)
Scirpus cyperinus (BC, ID, MT, OR, WA; 103; 1951-2015)
Scirpus georgianus (BC, OR; 18; 1980-2014)
Scirpus macounii (BC; 1; 1901)
Scirpus microcarpus (AK, BC, ID, MT, OR, WA, YK; 1196; 1880-2017)
var. confertus (BC; 1; 1958)
Scirpus nubrotinctus (MT; 1; 1968)
Scirpus pallidus (BC, ID, MT, OR, WA; 112; 1895-2016)
Scirpus pendulus (MT, OR; 61; 1884-2013)
Scirpus pungens × Scirpus triqueter (WA; 1; 2002)
Scirpus syluaticus (BC; 2; 1963)
ssp. digynus (BC; 2; 1963)
Trichophorum
Trichophorum alpinum (AK, BC, ID, MT, WA, YK; 95; 1904-2014)
Trichophorum cespitosum (AK, BC, ID, MT, OR, WA, YK; 423; 1893-2017)
ssp. cespitosum (BC; 4; 1972-1978)
Trichophorum pumilum (AK, BC, ID, MT, YK; 34; 1939-2017)