Vascular Plants of the Pacific Northwest
Equisetaceae
Equisetaceae
Generated from PNW Herbaria database
November 28, 2020.
3 genus names
39 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)
Equisetum arvense (AK, BC, ID, MT, OR, WA, YK; 2449; 1880-2020)
f. serotina (YK; 1; 1944)
var. arvense (ID, MT, WA; 5; 1966-1968)
var. canadensis (BC; 1; 2007)
var. decumbens (BC; 1; 1955)
Equisetum arvense × Equisetum fluviatile (WA; 1; 1918)
Equisetum ×ferrissii (BC, ID, MT, OR, WA; 137; 1892-2019)
Equisetum fluviatile (AK, BC, ID, MT, OR, WA, YK; 804; 1880-2020)
f. fluviatile (ID; 1; 1968)
f. linnaeanum (WA; 1; 1956)
f. verticillatum (ID, WA; 3; 1951-1964)
var. verticillatum (ID; 1; 1927)
Equisetum fluviatile × Equisetum palustre (WA; 1; 2015)
Equisetum giganteum (BC, OR; 4; 1922-1981)
Equisetum hyemale (AK, BC, ID, MT, OR, WA, YK; 1011; 1880-2020)
ssp. affine (AK, BC, ID, MT, OR, WA, YK; 399; 1880-2020)
var. hyemale (ID, WA; 2; 1965-1968)
var. suksdorfii (WA; 1; 1904)
Equisetum laevigatum (BC, ID, MT, OR, WA; 876; 1863-2020)
f. laevigatum (OR, WA; 3; 1964-1967)
f. proliferum (WA; 1; 1899)
Equisetum ×litorale (BC, MT, OR, WA, YK; 12; 1912-2009)
Equisetum ×mackaii (BC, MT, WA; 14; 1892-2010)
Equisetum ×nelsonii (BC, ID, MT, OR, WA; 13; 1903-2011)
Equisetum palustre (AK, BC, ID, MT, OR, WA, YK; 458; 1864-2020)
Equisetum pratense (AK, BC, ID, MT, OR, WA, YK; 248; 1897-2016)
Equisetum raevigalium (MT; 1; 1973)
Equisetum saxicola (WA; 3; 1892)
Equisetum scirpoides (AK, BC, ID, MT, WA, YK; 461; 1892-2019)
Equisetum sylvaticum (AK, BC, ID, MT, WA, YK; 507; 1900-2020)
var. sylvaticum (YK; 2; 1967)
Equisetum telmateia (AK, BC, ID, OR, WA; 686; 1880-2020)
ssp. braunii (AK, BC, ID, OR, WA; 251; 1880-2020)
var. frondescens (BC; 1; 1901)
Equisetum variegatum (AK, BC, ID, MT, OR, WA, YK; 779; 1892-2020)
ssp. alaskanum (AK, BC, WA, YK; 47; 1897-2006)
ssp. variegatum (AK, BC, ID, MT, OR, WA, YK; 102; 1899-2020)
Equisteum arvense (WA; 14; 1893-2002)
Equistum arvense (WA; 1; 1926)