Equisetum variegatum ssp. variegatum
PNW
AK
BC
ID
MT
OR
WA
YK
102 specimens from 16 herbaria:
Alaska (13)
British Columbia (24)
Idaho (7)
Montana (16)
Oregon (4)
Washington (22)
Yukon Territory (16)
30 images from 12 herbaria:
ALA (4)
HPSU (1)
ID (4)
IDS (1)
MONT (1)
NOCA (2)
RM (3)
SRP (2)
UBC (4)
USFS (4)
WTU (3)
WWB (1)