Vascular Plants of Washington
Iridaceae

Generated from PNW Herbaria database
November 28, 2020.

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

Index to Genera:

I: Iris

Crocosmia
Crocosmia ×crocosmiiflora (OSC, WTU; 2; 2007-2009)
Crocus
Crocus flavus (SRP; 1; 1980)
Crocus ×stellaris Crocus (WTU; 1; 2000)
Dierama
Dierama pulcherrimum (WTU; 1; 2013)
Iris
Iris douglasiana (PLU; 1; ?)
Iris foetidissima (WTU; 6; 2001-2018)
Iris germanica (WTU; 8; 2001-2018)
Iris missouriensis (EWU, ID, IDS, MONT, OSC, PLU, PSM, SRP, V, WCW, WS, WSTC, WTU, WWB; 256; 1881-2019)
f. alba (PLU; 2; 1968)
f. angustispatha (WS; 14; 1889-1964)
f. missouriensis (EWU, WS; 3; 1964-1968)
Iris pseudacorus (NOCA, PLU, PSM, RM, WCW, WS, WTU, WWB; 105; 1948-2019)
Iris sibirica (WTU; 2; 1999)
Iris tenax (HPSU, MONT, PLU, PSM, SRP, WCW, WS, WTU, WWB; 48; 1882-2014)
var. tenax (WS; 1; 1997)
Iris verna (PSM; 1; 1896)
Olsynium
Olsynium douglasii (CIC, EWU, HPSU, ID, IDS, MONT, NOCA, NY, OSC, PLU, PSM, REED, RM, SRP, UBC, WCW, WS, WSTC, WTU, WWB; 446; 1881-2019)
var. douglasii (EWU, ID, IDS, MONT, OSC, SRP, UBC, WCW, WS, WTU; 99; 1881-2018)
var. inflatum (CIC, EWU, ID, IDS, MONT, NY, OSC, PLU, RM, SRP, WCW, WS, WTU, WWB; 235; 1892-2019)
Olsynium grandiflorum (EWU, IDS; 6; 1912-1936)
Orthrosanthus
Orthrosanthus chimboracensis (WTU; 1; 2007)
Sisyrinchium
Sisyrinchium angustifolium (EVE, EWU, ID, NOCA, PLU, PSM, WCW, WS, WSTC, WTU, WWB; 51; 1894-2013)
var. segetum (PLU; 1; 1976)
Sisyrinchium augustifolium (WWB; 3; 1961-1979)
Sisyrinchium bellum (OSC, PLU, WCW, WS, WTU; 7; 1904-2001)
Sisyrinchium californicum (HPSU, NOCA, NY, OSC, PSM, WCW, WS, WTU, WWB; 72; 1838-2016)
Sisyrinchium grandiflorum (EWU, ID, WCW; 3; 1909-1926)
Sisyrinchium hitchcockii (WS; 1; 1997)
Sisyrinchium idahoense (CIC, EWU, HPSU, ID, NY, OSC, SRP, V, WS, WTU, WWB; 202; 1880-2020)
var. idahoense (CIC, HPSU, ID, NY, OSC, V, WS, WTU; 72; 1880-2006)
var. macounii (CIC, HPSU, ID, OSC, V, WS, WTU; 10; 1904-2003)
var. occidentale (ID, WS, WTU; 61; 1889-2018)
Sisyrinchium idahoense var. occidentale × Sisyrinchium idahoense var. segetum (WTU; 1; 1934)
var. segetum (NY, WS, WTU, WWB; 14; 1892-2001)
Sisyrinchium inflatum (EWU, WS; 2; 1929-1948)
f. alba (WS; 1; 1929)
f. album (EWU; 1; 1948)
Sisyrinchium littorale (CIC, HPSU, ID, OSC, PSM, SRP, V, WS, WTU; 34; 1902-2004)
Sisyrinchium montanum (WS, WTU; 7; 1899-2013)
Sisyrinchium sarmentosum (EWU, HPSU, ID, NY, OSC, WS, WTU; 19; 1893-2010)
Sisyrinchium septentrionale (CIC, ID, RM, SRP, WS, WTU; 61; 1902-2014)
Sysyrinchium
Sysyrinchium douglasii (LEA; 1; 1940)