Vascular Plants of Washington
Equisetaceae

Generated from PNW Herbaria database
November 28, 2020.

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

Index to Genera:


Equisetum
Equisetum arvense (EWU, HPSU, ID, IDS, NOCA, OSC, PLU, PNNL, PSM, REED, RM, SRP, UBC, UWB, V, WCW, WS, WSTC, WTU, WWB; 415; 1880-2019)
var. arvense (EWU, WS; 3; 1966-1968)
Equisetum arvense × Equisetum fluviatile (WTU; 1; 1918)
Equisetum ×ferrissii (OSC, WS, WTU, WWB; 46; 1892-2019)
Equisetum fluviatile (EWU, ID, NOCA, OSC, PLU, PSM, REED, RM, UBC, WCW, WS, WSTC, WTU, WWB; 197; 1880-2017)
f. linnaeanum (WS; 1; 1956)
f. verticillatum (WS; 2; 1951-1964)
Equisetum fluviatile × Equisetum palustre (WTU; 1; 2015)
Equisetum hyemale (EWU, HPSU, ID, IDS, MONT, NOCA, OSC, PLU, PNNL, PSM, REED, RM, SRP, UBC, UWB, WCW, WS, WSTC, WTU, WWB; 321; 1880-2019)
ssp. affine (EWU, ID, NOCA, OSC, REED, RM, SRP, UBC, WCW, WS, WTU; 137; 1880-2019)
var. hyemale (EWU; 1; 1965)
var. suksdorfii (WS; 1; 1904)
Equisetum laevigatum (EWU, ID, IDS, NOCA, OSC, PLU, PNNL, PSM, RM, UBC, V, WCW, WS, WSTC, WTU, WWB; 213; 1863-2019)
f. laevigatum (WS; 2; 1964)
f. proliferum (WS; 1; 1899)
Equisetum ×litorale (WS, WTU; 3; 1967-1996)
Equisetum ×mackaii (WTU; 1; 1892)
Equisetum ×nelsonii (ID, SRP, WS, WTU; 4; 1921-1996)
Equisetum palustre (EWU, ID, NOCA, OSC, PNNL, PSM, RM, UWB, WCW, WS, WTU, WWB; 149; 1864-2019)
Equisetum pratense (ID, RM, SRP, WS; 9; 1969-1996)
Equisetum saxicola (NY, WS; 3; 1892)
Equisetum scirpoides (ID, NOCA, PLU, PSM, RM, WS, WTU, WWB; 41; 1902-2019)
Equisetum sylvaticum (ID, NOCA, OSC, PLU, PSM, RM, V, WS, WTU, WWB; 33; 1963-2015)
Equisetum telmateia (CIC, EWU, ID, MONT, NOCA, OSC, PSM, UBC, UWB, WCW, WS, WSTC, WTU, WWB; 249; 1880-2019)
ssp. braunii (CIC, NOCA, OSC, WCW, WS, WTU; 121; 1880-2018)
Equisetum variegatum (ID, NOCA, OSC, PLU, PSM, RM, WS, WTU, WWB; 70; 1899-2015)
ssp. alaskanum (WS; 2; 1903-1925)
ssp. variegatum (NOCA, RM, WS, WTU, WWB; 22; 1899-2012)
Equisteum
Equisteum arvense (WS; 14; 1893-2002)
Equistum
Equistum arvense (WS; 1; 1926)