Vascular Plants of Washington
Cyperaceae
Cyperaceae
Generated from PNW Herbaria database
November 28, 2020.
14 genus names
312 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)
Index to Genera:
A: Amphiscirpus
D: Dulichium
E: Eleocharis, Eriophorum
I: Isolepis
K: Kobresia
L: Lipocarpha
R: Rhynchospora
T: Trichophorum,
Amphiscirpus nevadensis (CIC, ID, IDS, OSC, WS, WTU, WWB; 35; 1892-2014)
Bolboschoenus fluviatilis (ID, WS, WTU; 8; 1929-2008)
Bolboschoenus maritimus (BLMVL, CIC, ID, IDE, MONT, NOCA, OSC, PLU, PNNL, PSM, WS, WTU, WWB; 170; 1884-2018)
ssp. maritimus (WS; 3; 1976-1992)
ssp. paludosus (NOCA, OSC, WS, WTU, WWB; 130; 1884-2018)
Bolboschoenus robustus (IDS, OSC, WCW; 4; 1934-1958)
Carex abrupta (ID, LEA, WS, WTU; 7; 1938-2009)
Carex albonigra (LEA, MONT, NOCA, WTU, WWB; 21; 1930-2011)
Carex amplifolia (EWU, HPSU, ID, NOCA, NY, OSC, PNNL, PSM, RM, UBC, WS, WTU, WWB; 132; 1880-2019)
Carex angustata (NY, OSC, PSM, WS, WTU; 27; 1885-2013)
Carex anthoxanthea (OSC, WTU; 4; 1996-2005)
Carex aperta (ID, IDS, MONT, NOCA, NY, OSC, PLU, PNNL, PSM, RM, UBC, WS, WTU, WWB; 74; 1882-2013)
f. hydroessa (NY; 1; 1909)
f. mimetica (WS; 1; 1914)
Carex aquatilis (CIC, ID, MONTU, NOCA, NY, OSC, PLU, PSM, REED, RM, SRP, WCW, WS, WTU, WWB; 245; 1883-2018)
var. aquatilis (CIC, ID, MONTU, NOCA, NY, OSC, RM, WS, WTU; 74; 1886-2013)
var. dives (CIC, ID, NOCA, OSC, PLU, SRP, WCW, WS, WTU, WWB; 134; 1883-2017)
Carex aquatilis var. dives × Carex obnupta (WTU; 1; 2009)
Carex aquatilis × Carex scopulorum (WTU; 1; 1979)
Carex arcta (ID, MONT, NOCA, OSC, PLU, PSM, RM, WS, WTU, WWB; 138; 1882-2016)
Carex arthrostachya (PLU; 1; 1975)
Carex atherodes (OSC, PSM, WS, WTU; 22; 1889-2009)
Carex athrostachya (EWU, ID, IDS, MONT, NOCA, OSC, PNNL, PSM, RM, UBC, WCW, WS, WTU, WWB; 151; 1882-2017)
Carex atrata (ID, OSC; 4; 1904-1905)
Carex atratiformis (WWB; 1; 1978)
Carex atrosquama (OSC, WS, WTU; 14; 1933-2009)
Carex atrosquama × Heteroneura (WTU; 1; 2009)
Carex aurea (CIC, EWU, ID, NOCA, OSC, PLU, PSM, RM, V, WS, WTU, WWB; 118; 1880-2019)
Carex backii (RM; 2; 1999)
Carex bebbii (ID, NOCA, OSC, PLU, PSM, RM, V, WS, WTU, WWB; 72; 1892-2014)
Carex bigelowii (MONT; 1; 1929)
ssp. bigelowii (MONT; 1; 1929)
Carex bolanderi (IDS, NY, OSC, RM, WS, WTU; 76; 1883-2018)
ssp. bolanderi (NY, WTU; 15; 1883-1995)
ssp. infirminervia (WTU; 1; 1949)
Carex brevior (BLMVL, ID, IDS, OSC, PNNL, RM, WS, WTU; 32; 1889-2013)
Carex breweri (ID, NOCA, OSC, PSM, WTU; 8; 1882-2008)
Carex brewweri (WWB; 1; 1978)
var. padvensis (WWB; 1; 1978)
Carex brunnescens (ID, NOCA, OSC, PSM, REED, UBC, WS, WTU, WWB; 45; 1861-2011)
ssp. brunnescens (OSC, WTU; 3; 2004-2011)
ssp. sphaerostachya (WTU; 1; 1939)
Carex buchananii (WTU; 1; 2012)
Carex buxbaumii (ID, WS, WTU, WWB; 37; 1890-2014)
Carex californica (WS, WTU; 9; 1893-2014)
Carex canescens (CIC, ID, NOCA, OSC, PLU, PSM, RM, UBC, WS, WTU, WWB; 194; 1882-2014)
ssp. canescens (NOCA, WS, WTU; 24; 1980-2014)
var. canescens (RM; 12; 1995-1996)
Carex capillaris (WTU; 5; 1995-2007)
Carex capitata (V, WTU, WWB; 8; 1971-2015)
Carex chordorrhiza (OSC, WS, WTU; 5; 1992-2004)
Carex circinata (OSC, PSM, WS, WTU; 11; 1900-2003)
Carex comosa (BOIS, OSC, PLU, PSM, SRP, WS, WTU, WWB; 33; 1889-2017)
Carex concinna (PLU; 1; 1951)
Carex concinnoides (BLMMD, CIC, EWU, ID, NOCA, OSC, PLU, RM, UBC, UWB, WS, WTU, WWB; 107; 1897-2018)
Carex cordillerana (ID, WS, WTU; 12; 1916-2006)
Carex crawfordii (ID, OSC, PSM, RM, WS, WTU; 28; 1925-2014)
Carex cusickii (EWU, ID, NOCA, OSC, PLU, PSM, RM, WS, WTU, WWB; 118; 1883-2020)
Carex davyi (NY, RM, WS, WTU; 8; 1898-1909)
Carex deflexa (EWU, UBC, WTU; 9; 1882-2014)
var. boottii (EWU, UBC, WTU; 8; 1882-2014)
Carex densa (ID, WS, WTU; 28; 1904-2014)
Carex deweyana (CIC, ID, MONT, NOCA, PLU, PSM, UBC, WS, WTU, WWB; 143; 1884-2014)
var. deweyana (WS, WTU; 23; 1884-2014)
Carex diandra (EWU, ID, NOCA, OSC, RM, SRP, WS, WTU, WWB; 35; 1889-2020)
Carex disperma (ID, NOCA, OSC, RM, SRP, V, WS, WTU, WWB; 67; 1881-2015)
Carex divulsa (OSC, WTU; 4; 2007-2015)
ssp. divulsa (WTU; 1; 2007)
ssp. leersii (OSC, WTU; 3; 2011-2015)
Carex douglasii (CIC, EWU, ID, LEA, OSC, PNNL, PSM, V, WS, WTU; 93; 1884-2017)
Carex eburnea (WTU; 3; 2007-2014)
Carex echinata (CIC, ID, NOCA, OSC, PSM, REED, RM, WS, WTU, WWB; 198; 1881-2019)
ssp. echinata (ID, NOCA, OSC, RM, WS, WTU, WWB; 96; 1881-2012)
ssp. phyllomanica (CIC, ID, NOCA, OSC, WS, WTU, WWB; 55; 1892-2005)
var. echinata (WTU; 1; 2007)
Carex engelmannii (NOCA, NY, OSC, UBC, WS, WTU, WWB; 49; 1889-2018)
Carex epapillosa (OSC, WS, WTU; 43; 1897-2008)
Carex exsiccata (ID, NOCA, OSC, PLU, PSM, UBC, WS, WTU, WWB; 97; 1883-2016)
Carex feta (ID, OSC, PLU, PSM, UBC, WS, WTU, WWB; 50; 1885-2017)
Carex filifolia (EWU, ID, NOCA, OSC, RM, UBC, V, WS, WTU, WWB; 62; 1884-2014)
var. filifolia (ID, WS, WTU; 26; 1884-2014)
Carex flava (ID, OSC, RM, UBC, WS, WTU, WWB; 44; 1969-2015)
Carex fracta (NOCA, OSC, UBC, WS, WTU; 20; 1893-2011)
Carex garberi (ID, WS; 8; 1892-1981)
Carex geyeri (CIC, EWU, ID, IDS, MORA, NOCA, OSC, PLU, PSM, RM, SOC, SRP, UBC, WS, WTU, WWB; 151; 1880-2017)
Carex gynocrates (WTU; 3; 1993-2004)
Carex halliana (ID, LEA, OSC, REED, WS, WTU; 30; 1882-2011)
Carex harfordii (WS, WTU; 2; 2008)
Carex ×hartii (WCW; 1; 1932)
Carex hassei (OSC, WS, WTU; 7; 1895-2011)
Carex haydeniana (WS; 4; 1896-1913)
Carex hendersonii (CIC, EWU, HPSU, ID, NOCA, OSC, PLU, PSM, SRP, UBC, WS, WTU, WWB; 88; 1886-2018)
Carex heteroneura (ID, NOCA, OSC, V, WTU, WWB; 52; 1897-2018)
Carex hoodii (BLMMD, CIC, EWU, ID, NOCA, OSC, PSM, REED, RM, SRP, WS, WTU, WWB; 182; 1881-2016)
Carex hystericina (ID, IDS, OSC, RM, SRP, WS, WTU, WWB; 43; 1902-2017)
Carex idahoensis (WTU; 1; 1892)
Carex illota (ID, LEA, MORA, NOCA, OSC, PLU, PSM, WCW, WS, WTU, WWB; 90; 1882-2013)
Carex infirminervia (OSC, WS, WTU; 11; 1902-2014)
Carex inops (EVE, HPSU, ID, NOCA, OSC, V, WS, WTU, WWB; 153; 1881-2019)
ssp. inops (EVE, ID, NOCA, OSC, WS, WTU, WWB; 137; 1881-2018)
Carex integra (OSC, WS; 4; 1903-1999)
Carex interior (EWU, ID, IDS, NOCA, OSC, PLU, PSM, RM, WS, WTU, WWB; 59; 1884-2020)
Carex interrupta (ID, NOCA, OSC, PLU, PSM, WS, WTU; 48; 1881-2010)
Carex jonesii (ID, NOCA, OSC, WS, WTU; 17; 1892-2006)
Carex kelloggii (BLMVL, CIC, EWU, ID, LEA, MONTU, MORA, NOCA, NY, OSC, PNNL, REED, RM, SRP, WS, WTU, WWB; 386; 1882-2019)
var. impressa (ID, NOCA, WS, WTU; 10; 1905-2013)
var. kelloggii (BLMVL, CIC, EWU, ID, MORA, NOCA, NY, OSC, PNNL, RM, SRP, WS, WTU; 344; 1882-2019)
var. limnophila (ID, NOCA, WS, WTU, WWB; 20; 1908-2012)
Carex kobomugi (OSC, V, WS, WTU; 6; 2005-2009)
Carex lacustris (WTU; 7; 2013-2014)
Carex laeviculmis (EWU, ID, LEA, NOCA, OSC, PLU, PSM, RM, WS, WTU, WWB; 165; 1882-2020)
Carex lasiocarpa (EWU, ID, NOCA, OSC, PLU, PNNL, PSM, RM, SRP, V, WCW, WS, WTU, WWB; 95; 1880-2020)
Carex lenticularis (ID, MONT, NOCA, PLU, PNNL, PSM, WS, WTU, WWB; 118; 1916-2009)
var. lenticularis (ID, NOCA, WTU, WWB; 22; 1969-2004)
Carex leporina (NOCA, PLU, UWB, WTU, WWB; 52; 1890-2016)
Carex leporinella (ID, OSC, WS, WTU; 14; 1892-2010)
Carex leptalea (ID, NOCA, OSC, PLU, PSM, RM, WS, WTU, WWB; 84; 1881-2015)
Carex leptopoda (ID, IDS, OSC, SRP, UBC, WS, WTU, WWB; 106; 1882-2018)
Carex limosa (CIC, ID, NOCA, OSC, RM, UBC, WS, WTU, WWB; 58; 1881-2017)
Carex livida (OSC, WS, WTU; 18; 1927-2015)
Carex longii (WTU; 4; 1998-1999)
Carex luzulifolia (WTU; 1; 1892)
Carex luzulina (ID, NOCA, OSC, WS, WTU, WWB; 138; 1880-2013)
Carex lyngbyei (CIC, ID, OSC, PLU, PSM, UWB, WS, WTU, WWB; 103; 1871-2020)
Carex macloviana (OSC, WS, WTU; 5; 1886-2014)
Carex macrocephala (BOIS, CIC, EWU, HPSU, ID, IDS, OSC, PLU, PSM, SRP, V, WS, WTU, WWB; 95; 1895-2014)
Carex macrochaeta (PSM, WTU; 4; 1975-2009)
Carex magellanica (ID, NOCA, OSC, RM, WS, WTU, WWB; 35; 1924-2017)
ssp. irrigua (ID, NOCA, OSC, RM, WS, WTU, WWB; 34; 1924-2017)
Carex marcida (ID, WTU; 2; 1892-1905)
Carex media (NOCA, OSC, WS, WTU, WWB; 18; 1931-2018)
Carex mendocinensis (WTU; 1; 1934)
Carex mertensii (CIC, EWU, HPSU, ID, IDS, LEA, MONT, NOCA, OSC, PLU, PSM, RM, UBC, WS, WTU, WWB; 268; 1882-2019)
Carex mesochorea (NY; 2; 1898)
Carex micropoda (NOCA, WS, WTU; 39; 1883-2013)
Carex microptera (CIC, EWU, HPSU, ID, LEA, NOCA, OSC, PLU, PSM, REED, RM, SRP, V, WS, WTU, WWB; 212; 1882-2016)
var. microptera (ID, RM; 10; 2001-2002)
Carex monile (PLU; 1; 1908)
var. pacifica (PLU; 1; 1908)
Carex muricata (CIC; 2; 1994)
var. lamprocarpa (CIC; 2; 1994)
Carex nardina (ID, LEA, NOCA, OSC, PSM, WS, WTU, WWB; 75; 1892-2012)
Carex nebrascensis (EWU, ID, NOCA, NY, OSC, PSM, RM, WS, WTU; 57; 1880-2015)
var. erucaeformis (NY; 1; 1919)
Carex neurophora (CIC, ID, NOCA, NY, OSC, PSM, WS, WTU, WWB; 34; 1892-2014)
Carex nigricans (CIC, EWU, ID, MONT, NOCA, OSC, PLU, PSM, REED, UBC, WS, WSTC, WTU, WWB; 253; 1882-2014)
Carex nudata (MONTU, NY, OSC, PSM, RM, WS, WTU; 20; 1882-1972)
Carex obnupta (CIC, HPSU, ID, NOCA, OSC, PSM, REED, SRP, UBC, UWB, WS, WTU, WWB; 223; 1882-2019)
Carex obtusata (WTU; 6; 1976-2011)
Carex olympica (NY, RM, WS; 8; 1890-1915)
Carex ovalis (ID, OSC, PSM, WS, WTU, WWB; 39; 1891-2006)
Carex pachycarpa (ID, OSC, SOC, WS, WTU, WWB; 19; 1882-2004)
Carex pachystachya (CIC, EWU, HPSU, ID, IDS, NOCA, OSC, PSM, REED, RM, SRP, UBC, WS, WTU, WWB; 338; 1882-2020)
ssp. compacta (WS; 14; 1892-1972)
ssp. pachystachya (SRP, WS, WTU; 93; 1883-1979)
Carex pallescens (HPSU, ID, OSC, UBC, WS, WTU; 15; 1998-2014)
Carex panicea (WWB; 1; 1965)
Carex pansa (CIC, HPSU, OSC, PSM, REED, WS, WTU; 34; 1886-2008)
Carex parryana (ID, WS; 2; 1997-1998)
Carex pauciflora (CIC, ID, NOCA, OSC, PSM, SRP, WS, WTU, WWB; 29; 1890-2018)
Carex paysonis (PSM; 5; 1975)
Carex pellita (CIC, ID, NOCA, OSC, PSM, WS, WTU; 125; 1880-2017)
Carex pendula (OSC, WTU; 13; 1999-2015)
Carex pensylvanica (CIC, PLU, PSM; 17; 1951-1994)
Carex petasata (EWU, ID, NOCA, RM, V, WS, WTU; 51; 1881-2011)
Carex phaeocephala (EWU, HPSU, ID, LEA, MONT, NOCA, OSC, PSM, RM, V, WS, WTU, WWB; 188; 1880-2017)
Carex ×physocarpioides (SRP, WS, WTU; 7; 1977-2000)
Carex pluriflora (UBC, WS, WTU, WWB; 11; 1921-2004)
Carex podocarpa (OSC, UBC, V, WS; 21; 1892-2004)
Carex polytrichoides (ID; 1; 1893)
Carex praeceptorum (NOCA, NY, OSC, WS, WTU; 10; 1917-2010)
Carex praegracilis (CIC, EWU, ID, IDS, MONT, OSC, PSM, SRP, WS, WSTC, WTU, WWB; 150; 1884-2019)
Carex praticola (BOIS, CIC, ID, NOCA, OSC, RM, SRP, UBC, WS, WTU; 42; 1897-2014)
Carex preslii (CIC, EWU, ID, NOCA, OSC, UBC, WS, WTU; 136; 1882-2014)
Carex proposita (OSC, WS, WTU; 17; 1921-2007)
Carex pyrenaica (EWU, LEA, NOCA, OSC, PSM, REED, WTU, WWB; 58; 1890-2007)
Carex radiata (IDS, WTU; 2; 1995-2001)
Carex raynoldsii (BABY, BLMMD, CIC, ID, NOCA, OSC, PLU, REED, RM, V, WS, WTU, WWB; 80; 1881-2018)
Carex retrorsa (EWU, ID, NOCA, OSC, PSM, RM, WS, WTU, WWB; 65; 1889-2019)
Carex retrorsa × Carex utriculata (WTU; 1; 2010)
Carex rossii (EWU, HPSU, ID, LEA, NOCA, OSC, PSM, REED, RM, SOC, SRP, UBC, WS, WTU, WWB; 243; 1882-2019)
Carex rupestris (PLU, PSM; 3; 1966-1974)
Carex sartwellii (WS, WTU; 2; 2005)
Carex saxatilis (CIC, ID, NOCA, OSC, UBC, WS, WTU, WWB; 46; 1921-2012)
Carex scirpoidea (ID, NOCA, OSC, PLU, UBC, WCW, WS, WTU, WWB; 110; 1892-2018)
ssp. pseudoscirpoidea (ID, NOCA, OSC, WS, WTU, WWB; 22; 1900-2013)
ssp. scirpoidea (WS, WTU, WWB; 7; 1968-2018)
ssp. stenochlaena (NOCA, OSC, UBC, WCW, WS, WTU, WWB; 72; 1892-2016)
Carex scoparia (EWU, OSC, PLU, PSM, REED, SRP, UWB, WS, WTU; 24; 1882-2020)
Carex scopulorum (BLMMD, CIC, EWU, ID, LEA, NOCA, OSC, PLU, PSM, REED, V, WS, WTU, WWB; 231; 1882-2016)
var. bracteosa (BLMMD, EWU, ID, LEA, OSC, WS, WTU; 176; 1882-2016)
var. prionophylla (ID, V, WWB; 3; 1976-1987)
var. prionophyllum (ID, OSC, WS, WTU; 27; 1902-2015)
Carex sheldonii (WTU; 1; 2015)
Carex siccata (ID, NOCA, PSM, USFS, WS, WTU; 12; 1893-1998)
var. obscurior (WS; 2; 1893)
Carex simulata (ID, OSC, WS, WTU; 27; 1882-2011)
Carex spectabilis (EWU, HPSU, ID, MONT, NOCA, OSC, PLU, PSM, REED, SRP, UBC, V, WS, WTU, WWB; 385; 1883-2020)
Carex spicata (OSC, WS; 2; 2007)
Carex sprengelii (PSM; 2; 1951)
Carex stenoptila (WTU; 1; 2013)
Carex stipata (BLMVL, CIC, EWU, ID, MONT, NOCA, OSC, PLU, PSM, REED, RM, SRP, UWB, VALE, WCW, WS, WTU, WWB; 270; 1880-2017)
ssp. stipa (ID; 1; 1989)
ssp. stipata (WTU; 1; 1979)
var. stipata (OSC, RM, SRP, WS, WTU; 187; 1880-2014)
Carex straminea (ID; 2; 1907)
Carex straminiformis (NOCA, OSC, PLU, PSM, REED, WS, WTU, WWB; 20; 1882-2003)
Carex stricticulmis (NY; 1; 1908)
Carex stylosa (OSC, WS, WTU, WWB; 19; 1921-2005)
Carex subbracteata (OSC, UBC, WTU; 5; 2007-2010)
Carex subfusca (HPSU, ID, OSC, RM, WTU, WWB; 16; 1896-2017)
Carex subnigricans (NOCA; 1; 2007)
Carex suksdorfii (NY; 2; 1905)
var. ovalis (NY; 2; 1905)
Carex sychnocephala (ID, NOCA, OSC, WS, WTU; 15; 1933-2004)
Carex sylvatica (HPSU, ID, OSC, SRP, UBC, WS, WTU; 17; 1998-2019)
Carex tahoensis (WS, WTU; 19; 1923-2014)
Carex tenera (ID, OSC, PSM, WS, WTU, WWB; 19; 1885-2016)
Carex tenuiflora (OSC, WS, WTU; 8; 1992-2017)
Carex tribuloides (OSC, UBC, WS, WTU; 10; 1996-2011)
var. tribuloides (OSC, UBC, WS, WTU; 8; 1996-2011)
Carex tumulicola (ID, OSC, WS, WTU; 29; 1897-2014)
Carex unilateralis (LEA, PSM, REED, WS, WTU, WWB; 43; 1882-2018)
Carex utriculata (CIC, EWU, ID, MONT, NOCA, OSC, PLU, PSM, RM, SRP, UWB, WS, WTU, WWB; 350; 1878-2020)
Carex vaginata (ID; 1; 1994)
Carex vallicola (NOCA, WS, WTU; 10; 1931-2018)
Carex vernacula (ID, OSC, PLU, WS; 10; 1885-1989)
Carex vesicaria (CIC, EWU, ID, MONT, NOCA, PLU, PSM, RM, SRP, WS, WTU, WWB; 103; 1883-2019)
Carex viridula (EWU, ID, IDS, MONT, NOCA, OSC, PLU, PSM, SRP, WS, WTU, WWB; 120; 1890-2019)
ssp. viridula (ID, NOCA, OSC, PSM, SRP, WS, WTU, WWB; 80; 1892-2011)
Carex vulgaris (OSC; 1; 1882)
var. alpina (OSC; 1; 1882)
Carex vulpinoidea (CIC, ID, OSC, PNNL, PSM, RM, SRP, UWB, V, WS, WTU, WWB; 65; 1893-2017)
Carex zikae (NOCA, PLU, PSM, WS, WTU; 11; 1897-2003)
Cyperus acuminatus (WS; 14; 1885-1911)
Cyperus bipartitus (ID, IDS, PNNL, PSM, WS, WTU; 42; 1941-2018)
Cyperus diandrus (WTU; 6; 2018-2019)
Cyperus difformis (ID, UBC, WS, WTU; 8; 2001-2018)
Cyperus eragrostis (ID, WS, WTU; 18; 1911-2018)
Cyperus erythrorhizos (HPSU, ID, IDE, PNNL, UBC, UWB, WCW, WS, WTU; 63; 1883-2018)
Cyperus esculentus (BLMVL, ID, IDE, OSC, PNNL, RM, VALE, WS, WTU, WWB; 35; 1883-2019)
var. leptostachyus (RM, WS, WTU; 20; 1883-2019)
Cyperus fuscus (WTU; 7; 2015-2019)
Cyperus lupulinus (ID, UBC, WS, WTU; 4; 1954-2009)
ssp. lupulinus (ID, UBC, WS, WTU; 4; 1954-2009)
Cyperus lupulinus × Cyperus schweinitzii (WTU; 1; 2015)
Cyperus odoratus (WTU; 1; 1998)
Cyperus schweinitzii (BLMVL, OSC, VALE, WTU; 13; 1954-2010)
Cyperus squarrosus (EWU, ID, IDE, IDS, NOCA, OSC, PLU, PNNL, PSM, REED, SOC, SRP, UBC, WCW, WS, WTU; 120; 1881-2019)
Cyperus strigosus (ID, PSM, WS, WTU; 36; 1885-2019)
Dulichium arundinaceum (ID, MONT, NOCA, OSC, PSM, UBC, WS, WTU, WWB; 81; 1880-2017)
Eleocharis acicularis (EWU, ID, NOCA, OSC, PLU, PSM, UBC, V, WCW, WS, WTU, WWB; 110; 1879-2019)
Eleocharis atropurpurea (WS; 1; 1892)
Eleocharis bella (NY, WS; 16; 1880-1928)
Eleocharis bolanderi (WS; 1; 1998)
Eleocharis coloradoensis (UBC, WTU; 6; 1946-2019)
Eleocharis engelmannii (EWU, ID, WS, WTU; 20; 1892-2008)
Eleocharis erythropoda (ID, WTU; 5; 1934-2016)
Eleocharis flavescens (OSC; 1; 1889)
var. olivacea (OSC; 1; 1889)
Eleocharis macrostachya (EWU, OSC, UBC, WS, WTU; 176; 1880-2018)
Eleocharis macrostachya × Eleocharis obtusa (WTU; 1; 2014)
Eleocharis mamillata (WTU; 2; 2006-2019)
ssp. mamillata (WTU; 1; 2006)
Eleocharis obtusa (OSC, SRP, V, WS, WTU, WWB; 87; 1889-2019)
Eleocharis ovata (CIC, ID, IDS, MONT, NOCA, OSC, PLU, PNNL, PSM, REED, SRP, UBC, WS, WTU, WWB; 79; 1886-2019)
Eleocharis palustris (CIC, EWU, ID, IDS, MONT, NOCA, OSC, PLU, PNNL, PSM, REED, RM, SRP, UWB, V, WCW, WS, WTU, WWB; 228; 1882-2020)
Eleocharis parvula (ID, WS, WTU; 14; 1987-2018)
Eleocharis quinqueflora (CIC, ID, NOCA, OSC, PLU, PSM, SRP, UBC, WS, WTU, WWB; 44; 1892-2008)
Eleocharis rostellata (BLMVL, ID, OSC, WS, WTU, WWB; 27; 1882-1999)
Eleocharis suksdorfiana (NY, WS, WTU; 29; 1882-2014)
Eleocharis suskdorfiana (NOCA; 1; 2006)
Eleocharis tenuis (WS; 1; 1976)
Eleocharis uniglumis (WTU; 1; 1935)
Eriophorum angustifolium (ID, IDS, MONT, NOCA, OSC, PSM, UBC, WCW, WS, WTU, WWB; 150; 1862-2011)
ssp. angustifolium (ID, IDS, MONT, NOCA, OSC, WS, WTU, WWB; 121; 1862-2010)
var. angustifolium (ID; 1; 2003)
Eriophorum brachyantherum (WTU; 1; 2001)
Eriophorum chamissonis (HPSU, ID, LINF, NOCA, PLU, PSM, WCW, WS, WTU, WWB; 93; 1888-2017)
f. albidum (WS; 1; 1928)
Eriophorum gracile (EWU, ID, MONT, NOCA, OSC, PSM, REED, WS, WTU, WWB; 36; 1889-2012)
Eriophorum russeolum (OSC; 2; 1885-1886)
Eriophorum virginicum (NOCA, WS, WTU; 13; 1990-2005)
Eriophorum viridicarinatum (ID, RM, WS, WTU; 13; 1893-2010)
Isolepis cernua (OSC, WS, WTU; 28; 1892-2016)
Isolepis setacea (WTU; 4; 1999-2016)
Kobresia myosuroides (NOCA, WWB; 4; 1972-1994)
Lipocarpha aristulata (EWU, NY, OSC, PNNL, WTU; 10; 1877-2015)
Lipocarpha drummondii (WS; 11; 1893-1912)
Lipocarpha micrantha (ID, OSC, WS, WTU; 16; 1885-2019)
Lipocarpha occidentalis (NY, OSC, WS; 4; 1881-1886)
Rhynchospora alba (CIC, ID, NOCA, OSC, PSM, SRP, WCW, WS, WTU, WWB; 59; 1890-2020)
Schoenoplectus acutus (EWU, ID, MONT, NOCA, OSC, PNNL, PSM, RM, SRP, UBC, UWB, WS, WTU, WWB; 195; 1877-2019)
Schoenoplectus americanus (BLMVL, CIC, EWU, ID, NOCA, OSC, PNNL, PSM, REED, WCW, WS, WSTC, WTU, WWB; 114; 1893-2014)
Schoenoplectus heterochaetus (HPSU; 1; 1977)
Schoenoplectus ×kuekenthalianus (WS, WTU; 5; 2003-2008)
Schoenoplectus lacustris (WWB; 1; 1908)
Schoenoplectus mucronatus (HPSU, ID, OSC, WTU; 7; 2000-2016)
Schoenoplectus pungens (EWU, ID, OSC, UWB, WS, WTU; 53; 1892-2019)
Schoenoplectus saximontanus (ID, WS, WTU; 3; 1997)
Schoenoplectus subterminalis (MONTU, NOCA, OSC, WS, WTU; 26; 1882-2016)
Schoenoplectus tabernaemontani (EWU, HPSU, ID, IDS, LEA, NOCA, OSC, PLU, PNNL, PSM, RM, SRP, UBC, WCW, WS, WTU, WWB; 89; 1892-2019)
Schoenoplectus triqueter (OSC, WS, WTU; 7; 1986-2005)
Scirpus atrocinctus (WS, WTU; 5; 1990-2006)
Scirpus atrovirens (SRP, WS; 2; 1925-1926)
Scirpus congdonii (ID, WWB; 6; 1941-1968)
Scirpus cyperinus (ID, NOCA, OSC, PLU, PSM, UWB, WS, WTU, WWB; 58; 1963-2020)
Scirpus microcarpus (EWU, ID, MONT, NOCA, OSC, PLU, PSM, REED, RM, SRP, UWB, WCW, WS, WTU, WWB; 324; 1880-2020)
Scirpus pallidus (ID, WS, WTU, WWB; 15; 1895-2019)
Scirpus pungens × Scirpus triqueter (WTU; 1; 2002)
Trichophorum alpinum (ID; 1; 2003)
Trichophorum cespitosum (ID, NOCA, OSC, PLU, PSM, SRP, WS, WTU, WWB; 57; 1893-2011)