Isoetes occidentalis
PNW
AK
BC
ID
MT
OR
WA
185 specimens from 15 herbaria:
Alaska (8)
British Columbia (66)
Idaho (18)
Montana (2)
Oregon (22)
Washington (69)
90 images from 12 herbaria:
CIC (1)
EWU (2)
HPSU (5)
ID (10)
MONTU (2)
OSC (16)
SRP (1)
UAAH (1)
UBC (7)
WS (4)
WTU (40)
WWB (1)