Equisetum variegatum
PNW
AK
BC
ID
MT
OR
WA
563 specimens from 20 herbaria:
Alaska (60)
British Columbia (319)
Idaho (16)
Montana (58)
Oregon (19)
Washington (73)
184 images from 17 herbaria:
CIC (2)
CRMO (1)
HPSU (1)
ID (14)
IDS (3)
MONT (7)
MONTU (38)
NOCA (2)
OSC (17)
PLU (4)
PSM (25)
SRP (3)
UAAH (21)
UBC (21)
WS (1)
WTU (22)
WWB (2)