Vascular Plants of Washington
Polygonaceae

Generated from PNW Herbaria database
November 28, 2020.

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

Index to Genera:

R: Rheum, Rumex,

Aconogon
Aconogon davisiae (WTU; 4; 1934-2013)
var. davisiae (WTU; 4; 1934-2013)
Aconogonon
Aconogonon davisiae (HPSU, ID, NOCA, OSC, PLU, PSM, WCW, WS, WTU; 84; 1882-2017)
Aconogonon phytolaccifolium (OSC, PSM, WS, WSTC, WTU, WWB; 24; 1882-1977)
var. phytolaccifolium (OSC, WTU; 8; 1882-1977)
Bistorta
Bistorta bistoroides (NOCA; 2; 2007)
Bistorta bistortoides (EWU, ID, LEA, NOCA, OSC, PLU, PSM, REED, RM, V, WCW, WS, WSTC, WTU, WWB; 247; 1844-2017)
Bistorta officinalis (WCW, WTU; 2; 1895-1969)
Bistorta vivipara (NOCA, V, WS, WTU, WWB; 35; 1927-2011)
Chorizanthe
Chorizanthe watsonii (WS, WTU; 13; 1884-2016)
Eriogonum
Eriogonum alatum (ID, WS, WTU; 5; 2006)
Eriogonum androsaceum (WTU; 2; 1992-1996)
Eriogonum baileyi (ID, OSC, PNNL, PSM, WS, WTU; 24; 1884-1991)
var. baileyi (ID, OSC, WS; 13; 1884-1991)
var. praebens (WTU; 7; 1892-1936)
Eriogonum brachyanthum (ID; 1; 2001)
Eriogonum caespitosum (WTU, WWB; 3; 1896-2012)
Eriogonum cernuum (WS, WTU; 2; 1970)
Eriogonum cithariforme (WS; 1; 1951)
Eriogonum codium (CIC, COLO, ID, IDS, MONTU, NY, OSC, PNNL, RM, WS, WTU; 15; 1993-1995)
Eriogonum compositum (CIC, EWU, HPSU, ID, IDS, LINF, NOCA, NY, OSC, PLU, PNNL, PSM, REED, RM, SRP, WCW, WS, WSTC, WTU, WWB; 390; 1879-2019)
var. compositum (EWU, ID, LINF, NY, OSC, PLU, RM, WCW, WS, WTU, WWB; 113; 1881-2019)
var. lancifolium (ID, IDS, OSC, WS, WTU, WWB; 61; 1893-2017)
var. leianthum (CIC, ID, IDS, NOCA, OSC, PNNL, WS, WSTC, WTU, WWB; 132; 1889-2014)
Eriogonum douglasii (CIC, ID, LEA, OSC, PLU, PNNL, PSM, RM, WCW, WS, WSTC, WTU, WWB; 74; 1896-2018)
var. douglasii (CIC, ID, OSC, PNNL, RM, WS, WTU; 54; 1896-2018)
Eriogonum elatum (CIC, EWU, HPSU, ID, IDS, NOCA, OSC, PLU, PSM, SRP, WS, WSTC, WTU, WWB; 137; 1883-2019)
ssp. elatum (WTU; 1; 2016)
var. elatum (ID, IDS, OSC, SRP, WS, WTU; 47; 1892-2015)
Eriogonum flavum (ID, IDS, NY, OSC, PSM, RM, WS, WTU; 36; 1894-2012)
var. piperi (ID, IDS, NY, OSC, RM, WS, WTU; 31; 1896-2012)
Eriogonum gracile (PLU, WTU; 3; 1972-1987)
Eriogonum heracleoides (CIC, CS, EWU, ID, IDS, NOCA, NY, OSC, PNNL, PSM, RM, SRP, WCW, WS, WSTC, WTU, WWB; 474; 1882-2020)
var. augustifolium (WS; 4; 1999)
var. leucophaceum (OSC; 3; 1931-1933)
var. micranthum (NY, WS; 2; 1884)
Eriogonum incanum (HPSU; 1; 1881)
Eriogonum maculatum (WS; 1; 1884)
Eriogonum microtheca (EWU, ID, NY, OSC, PNNL, PSM, SRP, WS, WSTC, WTU; 75; 1884-2017)
var. laxiflorum (EWU, ID, NY, PNNL, SRP, WS, WSTC, WTU; 60; 1884-2017)
Eriogonum microthecum (PNNL, WTU; 2; 1959-2016)
var. laxiflorum (PNNL, WTU; 2; 1959-2016)
Eriogonum minimum (NY; 1; 1882)
Eriogonum niveum (CIC, EWU, ID, IDS, NOCA, NY, OSC, PNNL, PSM, SRP, WCW, WS, WSTC, WTU, WWB; 207; 1882-2018)
var. suksdorfii (NY, WS; 3; 1889)
Eriogonum nudum (EWU, HPSU, PLU, PSM, WTU; 12; 1877-2014)
var. nudum (WTU; 2; 2006-2014)
var. pauciflorum (WTU; 1; 1892)
Eriogonum ovalifolium (CIC, EWU, HPSU, ID, IDS, NOCA, OSC, PLU, PSM, RM, WCW, WS, WSTC, WTU, WWB; 118; 1882-2015)
var. nivale (CIC, ID, IDS, NOCA, OSC, RM, WCW, WS, WSTC, WTU, WWB; 68; 1882-2012)
var. ovalifolium (WS, WTU; 2; 1940)
var. proliferum (OSC, WTU; 9; 1893-1906)
var. purpureum (NOCA, WS, WTU; 4; 1971-2014)
Eriogonum pauciflorum (HPSU; 1; 1909)
var. pauciflorum (HPSU; 1; 1909)
Eriogonum pyrolifolium (EWU, HPSU, ID, IDS, NOCA, OSC, PLU, PSM, SRP, WCW, WS, WSTC, WTU, WWB; 179; 1879-2019)
Eriogonum spergulinum (PSM; 1; 1936)
Eriogonum sphaerocephalum (COLO, EWU, HPSU, ID, IDS, NY, OSC, PNNL, PSM, SRP, V, WS, WSTC, WTU, WWB; 231; 1826-2018)
var. halimioides (WTU; 7; 1932-1992)
var. sphaerocephalum (ID, IDS, OSC, PNNL, SRP, V, WS, WTU; 91; 1884-2017)
var. sublineare (HPSU, ID, NY, OSC, SRP, WS, WSTC, WTU; 49; 1880-2009)
var. tenue (HPSU, OSC; 4; 1881-1952)
Eriogonum stellatum (WTU; 2; 1949-1954)
var. hypoleium (WTU; 2; 1949-1954)
Eriogonum strictum (CIC, EWU, ID, IDS, MONTU, NOCA, NY, OSC, PNNL, PSM, RM, V, WCW, WS, WSTC, WTU, WWB; 269; 1884-2015)
var. anserinum (CIC, ID, NOCA, OSC, WS, WSTC, WTU, WWB; 97; 1889-2015)
var. greenei (WSTC; 1; 1951)
var. proliferum (EWU, ID, IDS, MONTU, NOCA, NY, OSC, PNNL, RM, WS, WTU, WWB; 127; 1884-2015)
var. strictum (PNNL, WS, WSTC, WTU; 26; 1884-1997)
Eriogonum thymoides (CIC, EWU, HPSU, ID, IDS, OSC, PLU, PNNL, PSM, REED, SRP, UBC, V, WS, WSTC, WTU, WWB; 246; 1889-2016)
Eriogonum truncatum (WS; 1; 1886)
Eriogonum umbellatum (CIC, EWU, HPSU, ID, LEA, NOCA, NY, OSC, PLU, PSM, REED, RM, SRP, UBC, V, WCW, WS, WSTC, WTU, WWB; 413; 1879-2019)
var. desereticum (WS; 1; 1939)
var. devestivum (ID, WS; 2; 1982-1999)
var. dichrocephalum (NY; 2; 1893)
var. ellipticum (ID, OSC, RM, WCW, WS, WTU; 37; 1896-2015)
var. haussknechtii (HPSU, ID, NOCA, OSC, SRP, WS, WTU, WWB; 69; 1879-2017)
var. hypoleium (ID, WS, WTU, WWB; 29; 1898-2017)
var. majus (CIC, EWU, ID, NOCA, OSC, PLU, RM, SRP, UBC, WS, WSTC, WTU, WWB; 153; 1893-2019)
var. polyanthum (WTU; 1; 1961)
var. sandbergii (ID, WS, WTU; 35; 1893-2019)
var. umbellatum (ID, NOCA, OSC, PLU, WCW, WS, WTU, WWB; 31; 1906-2012)
Eriogonum ursinum (PSM; 2; 1936)
Eriogonum vimineum (HPSU, OSC, PNNL, PSM, WS, WSTC, WTU; 52; 1877-2015)
Eriogonum watsonii (OSC; 2; 1897)
Fagopyrum
Fagopyrum esculentum (WS, WTU; 7; 1981-2019)
Fallopia
Fallopia baldschuanica (IDE, PLU, WS, WTU; 11; 1985-2018)
Fallopia ×bohemica (ID, OSC, PLU, UBC, V, WS, WTU; 84; 1937-2019)
Fallopia convolvulus (EWU, ID, IDE, NOCA, OSC, PLU, PNNL, PSM, REED, RM, WCW, WS, WSTC, WTU, WWB; 109; 1888-2018)
Fallopia japonica (ID, NOCA, OSC, PSM, SRP, USFS, UWB, WCW, WS, WTU; 48; 1928-2015)
var. japonica (ID, OSC, USFS, WS; 10; 1976-2011)
Fallopia japonica × Fallopia sachalinensis (WS; 1; 2001)
Fallopia sachalinensis (ID, NOCA, OSC, PLU, SRP, UBC, WS, WTU, WWB; 40; 1918-2017)
Fallopia scandens (USFS; 1; 1918)
Oxyria
Oxyria digyna (EWU, HPSU, IDS, NOCA, NY, OSC, PLU, PSM, REED, SRP, V, WS, WTU, WWB; 174; 1880-2011)
Oxytheca
Oxytheca dendroidea (ID, OSC, PNNL, WS, WTU; 15; 1884-1995)
ssp. dendroidea (ID, OSC, WS, WTU; 7; 1893-1968)
Persicaria
Persicaria amphibia (EWU, ID, NOCA, OSC, PLU, PNNL, PSM, REED, RM, UWB, WCW, WS, WSTC, WTU, WWB; 264; 1880-2019)
Persicaria hydropiper (ID, NOCA, OSC, PLU, PSM, RM, SRP, USFS, WCW, WS, WTU, WWB; 83; 1893-2019)
Persicaria hydropiperoides (HPSU, ID, NOCA, PLU, PSM, UWB, WS, WTU, WWB; 64; 1880-2018)
Persicaria lapathifolia (EWU, HPSU, ID, IDE, NOCA, OSC, PLU, PNNL, PSM, RM, UBC, USFS, UWB, WCW, WS, WTU, WWB; 160; 1880-2019)
Persicaria maculosa (EWU, HPSU, ID, IDE, NOCA, OSC, PLU, PNNL, PSM, RM, SRP, USFS, UWB, WCW, WS, WSTC, WTU, WWB; 185; 1888-2018)
Persicaria nepalensis (WTU; 1; 2004)
Persicaria orientalis (WCW, WS, WTU; 4; 1918-2007)
Persicaria punctata (ID, OSC, WS, WTU; 18; 1880-2014)
Persicaria setacea (NOCA; 2; 1971)
Persicaria virginiana (WTU; 2; 2018-2019)
Persicaria wallichii (OSC, WS, WTU, WWB; 18; 1882-2015)
var. wallichii (OSC, WS, WTU; 3; 2006-2011)
Polygonum
Polygonum achoreum (PLU; 1; 1975)
Polygonum arenicola (NY, WS, WTU; 3; 1910)
Polygonum austiniae (WS, WTU; 3; 1980-1999)
Polygonum aviculare (EWU, ID, NOCA, OSC, PLU, PSM, RM, SRP, UWB, WCW, WS, WTU, WWB; 205; 1880-2019)
ssp. aviculare (EWU, ID, WCW, WTU; 9; 1892-2015)
ssp. buxiforme (NOCA, OSC, PLU, SRP, WTU, WWB; 35; 1908-2018)
ssp. depressum (WTU; 15; 1895-2018)
ssp. neglectum (ID, WTU; 10; 1915-2019)
Polygonum californicum (ID, WS, WTU; 11; 1891-1927)
Polygonum cascadense (WTU, WWB; 2; 2019)
Polygonum chelanicum (WS; 1; 1897)
Polygonum coccineum (WTU; 1; 1934)
f. natans (WTU; 1; 1934)
Polygonum covanlum (EWU; 2; 1971)
Polygonum cuspidatum × Polygonum sachalinense (WTU; 2; 1987-2002)
Polygonum douglasii (EWU, ID, IDE, IDS, MORA, NOCA, NY, OSC, PLU, PSM, REED, RM, V, WS, WTU, WWB; 273; 1877-2019)
Polygonum erectum (PSM, WS, WTU; 9; 1882-2018)
Polygonum fowleri (OSC, PLU, PSM, WCW, WS, WTU, WWB; 31; 1885-2007)
ssp. fowleri (WTU; 3; 2006-2007)
Polygonum hydropiperoides (NOCA, WWB; 6; 1967-1971)
var. hydropiperiodes (WWB; 5; 1967-1968)
Polygonum kelloggii (NY; 3; 1885-1933)
var. kelloggii (NY; 1; 1933)
var. watsonii (NY; 2; 1885-1893)
Polygonum majus (BLMMD, EWU, ID, IDS, NOCA, NY, OSC, PLU, PNNL, RM, SRP, UBC, WCW, WS, WTU, WWB; 190; 1879-2018)
Polygonum minimum (ID, NOCA, OSC, PLU, PSM, RM, UBC, WS, WTU, WWB; 117; 1880-2018)
Polygonum nuttallii (ID, NOCA, OSC, WS, WTU, WWB; 32; 1890-2018)
Polygonum paronychia (EWU, HPSU, OSC, PLU, PSM, WCW, WS, WTU, WWB; 83; 1882-2009)
Polygonum parryi (WS, WTU; 3; 1885-1886)
Polygonum patulum (WTU; 1; 2017)
Polygonum polygaloides (EWU, ID, NOCA, OSC, PLU, PSM, RM, UBC, WCW, WS, WTU; 152; 1880-2014)
ssp. confertiflorum (WS, WTU; 25; 1880-2014)
ssp. kelloggii (NOCA, OSC, PLU, RM, WCW, WS, WTU; 79; 1885-2014)
ssp. polygaloides (ID, UBC, WTU; 6; 1882-2014)
Polygonum ramosissimum (OSC, PLU, PNNL, PSM, RM, WS, WTU; 17; 1879-2014)
ssp. ramosissimum (WS, WTU; 2; 1897-2014)
Polygonum sawatchense (ID, NOCA, OSC, PLU, UBC, WS, WTU, WWB; 34; 1880-2011)
ssp. oblivium (ID, UBC, WTU; 9; 1934-2011)
ssp. sawatchense (WTU; 3; 1909-2005)
Polygonum spergulariiforme (BABY, ID, NOCA, OSC, PLU, UBC, WS, WTU, WWB; 102; 1889-2018)
Polygonum tenue (WS; 1; 1898)
Rheum
Rheum rhabarbarum (PLU, WTU; 5; 1965-2019)
Rumex
Rumex acetosa (EVE, IDE, OSC, WCW, WTU; 5; 1987-2009)
Rumex acetosella (EVE, EWU, HPSU, ID, NOCA, OSC, PLU, PSM, REED, RM, SRP, UBC, USFS, UWB, WCW, WS, WSTC, WTU, WWB; 417; 1883-2019)
Rumex aquaticus (PSM; 2; 1950-1973)
Rumex conglomeratus (ID, NOCA, OSC, UWB, WCW, WS, WTU, WWB; 42; 1888-2019)
Rumex crassus (ID; 1; 2019)
Rumex crispus (EWU, ID, NOCA, OSC, PLU, PNNL, PSM, RM, USFS, UWB, WCW, WS, WSTC, WTU, WWB; 150; 1889-2019)
Rumex crispus × Rumex obtusifolius (WTU; 2; 2003)
Rumex dentatus (WTU; 2; 2009-2019)
Rumex fueginus (WTU; 1; 1928)
var. tanythrix (WTU; 1; 1928)
Rumex longifolius (HPSU; 1; 1953)
Rumex maritimus (ID, NOCA, OSC, PLU, PSM, RM, WS, WSTC, WTU, WWB; 53; 1888-2018)
ssp. fueginus (OSC, RM, WSTC, WTU; 33; 1888-2018)
Rumex obtusifolius (NOCA, OSC, PLU, PSM, RM, USFS, UWB, WTU, WWB; 79; 1889-2018)
Rumex occidentalis (EWU, LINF, OSC, PLU, RM, SRP, UBC, WCW, WS, WTU, WWB; 47; 1888-2018)
var. occidentalis (WTU; 2; 2005-2018)
Rumex patientia (EWU, RM, WCW, WTU; 7; 1913-2002)
Rumex paucifolius (EWU, ID, RM, WTU; 6; 1903-2000)
Rumex persicarioides (ID, WTU, WWB; 5; 1933-2019)
Rumex ×pratensis (WTU; 7; 2000-2003)
Rumex pulcher (ID; 1; 2001)
Rumex salicifolius (EWU, ID, NOCA, NY, OSC, PLU, PNNL, PSM, REED, RM, UBC, WS, WTU, WWB; 144; 1883-2019)
var. angustivalvis (NOCA, NY, OSC, WTU; 9; 1893-2008)
var. denticulatus (WTU; 2; 1893-1934)
var. mexicanus (EWU, ID, OSC, WTU; 8; 1889-1992)
var. salicifolius (NOCA, WWB; 4; 1970-1972)
var. transitorius (ID, WS, WTU; 23; 1895-2018)
var. triangulivalvis (NOCA, OSC, PNNL, RM, UBC, WTU, WWB; 38; 1890-2019)
Rumex sanguineus (NOCA, WTU, WWB; 7; 1892-1971)
Rumex stenophyllus (ID, WTU; 4; 2008-2019)
Rumex venosus (EWU, HPSU, ID, IDS, LEA, LINF, OSC, PLU, PNNL, PSM, SRP, UBC, V, WCW, WS, WSTC, WTU, WWB; 217; 1881-2019)