Vascular Plants of the Pacific Northwest
Rubiaceae

Generated from PNW Herbaria database
June 23, 2018.

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

Index to Genera:


Asperula
Asperula orientalis (OR; 1; ?)
Cephalanthus
Cephalanthus occidentalis (OR; 1; 1916)
Crucianella
Crucianella angustifolia (ID, OR; 4; 1991-2010)
Cruciata
Cruciata pedemontana (ID, MT, OR, WA; 44; 1973-2016)
Cruciata pedemontanum (ID; 1; 2016)
Galium
Galium ambiguum (OR; 119; 1884-2004)
ssp. ambiguum (OR; 1; 2002)
ssp. siskiyouense (OR; 80; 1884-2004)
Galium aparine (AK, BC, ID, MT, OR, WA, YK; 1587; 1809-2017)
f. spurium (OR, WA; 3; 1904-1942)
ssp. echinospermum (WA; 1; 2006)
var. schizospermum (WA; 1; 1981)
Galium biflorum (ID, MT, OR, WA; 20; 1890-2006)
Galium bifolium (BC, ID, MT, OR, WA; 475; 1883-2017)
Galium bolanderi (OR; 59; 1884-2004)
Galium boreale (AK, BC, ID, MT, OR, WA, YK; 1809; 1879-2017)
Galium californicum (OR; 3; 1929-2001)
ssp. californicum (OR; 2; 1929-1974)
Galium divaricatum (BC, ID, OR, WA; 30; 1915-2017)
Galium echinospermum (OR; 2; 1964-1968)
Galium glabrescens (OR; 6; 1884-1973)
ssp. harticum (OR; 1; 1933)
ssp. josephinense (OR; 3; 1884-1950)
Galium grayanum (OR; 4; 1975-2012)
var. nanum (OR; 4; 1975-2012)
Galium humifusum (WA; 8; 1910-1926)
Galium humifusum × Galium verum (WA; 3; 1910-1916)
Galium hypotrichium (ID; 2; 1987)
ssp. subalpinum (ID; 2; 1987)
Galium kamtschaticum (AK, BC, OR, WA; 44; 1900-2012)
Galium labradoricum (BC; 29; 1960-2013)
Galium mathewsii (ID; 2; 1936)
Galium mexicanum (AK, BC, ID, MT, OR, WA; 219; 1886-2016)
ssp. asperulum (AK, ID, MT, OR, WA; 201; 1886-2015)
Galium mollugo (BC, ID, MT, OR, WA; 37; 1917-2017)
Galium multiflorum (ID, OR, WA; 118; 1884-2017)
ssp. multiflorum (ID; 1; 1938)
var. watsoni (ID, WA; 5; 1932-1950)
Galium murale (BC; 2; 2007-2008)
Galium muricatum (OR; 8; 1929-1950)
Galium nuttallii (OR; 11; 1927-1973)
ssp. nuttallii (OR; 2; 1961-1967)
Galium odoratum (BC, ID, OR, WA; 68; 1917-2016)
Galium oreganum (ID, MT, OR, WA; 222; 1880-2017)
Galium palustre (BC, MT, OR, WA; 36; 1902-2018)
Galium parisiense (BC, ID, OR, WA; 79; 1910-2017)
var. parisiense (OR; 7; 1940-2009)
Galium porrigens (OR; 17; 1884-2005)
var. porrigens (OR; 8; 1884-2005)
var. tenue (OR; 9; 1927-1998)
Galium pumilum (OR; 1; 1919)
Galium rotundifolium (BC; 2; 1988)
Galium serpenticum (ID, OR, WA; 350; 1885-2016)
ssp. dayense (OR; 9; 1935-1960)
ssp. okanoganense (WA; 19; 1921-2004)
ssp. puberulum (OR, WA; 11; 1892-1960)
ssp. scabridum (WA; 11; 1893-1951)
ssp. serpenticum (ID, OR, WA; 42; 1891-2016)
ssp. warnerense (OR; 7; 1927-2004)
ssp. wenatchicum (WA; 33; 1896-2004)
var. serpenticum (OR; 1; 1968)
Galium sylvaticum (OR; 1; 1916)
Galium tinctorium (BC, ID, MT, OR, WA; 10; 1898-1990)
var. subtriflorum (ID, MT; 3; 1946-1948)
Galium tricornutum (ID, MT, OR; 20; 1882-2004)
Galium trifidum (AK, BC, ID, MT, OR, WA, YK; 1209; 1880-2016)
ssp. columbianum (AK, BC, ID, MT, OR, WA; 377; 1880-2016)
ssp. subbiflorum (BC, ID, MT, OR, WA; 140; 1888-2016)
ssp. trifidum (AK, BC, MT, OR, WA; 33; 1931-2008)
var. columbianum (AK; 1; 1949)
var. cuspidulatum (OR; 1; 1884)
var. trifidum (AK, ID, MT, WA; 13; 1951-2008)
Galium triflorum (AK, BC, ID, MT, OR, WA, YK; 1154; 1880-2017)
Galium uliginosum (OR; 1; 1914)
Galium verum (BC, ID, MT, OR, WA; 70; 1912-2014)
Houstonia
Houstonia caerula (OR; 1; 1890)
Kelloggia
Kelloggia galioides (ID, MT, OR, WA; 389; 1881-2017)
Rubia
Rubia tinctoria (OR; 3; 1920-1922)
Sherardia
Sherardia arvensis (BC, ID, OR, WA; 167; 1911-2018)