Potamogeton crispus
PNW
BC
ID
MT
OR
WA
241 specimens from 19 herbaria:
British Columbia (39)
Idaho (37)
Montana (6)
Oregon (74)
Washington (85)
146 images from 17 herbaria:
BLMVL (2)
CIC (11)
COCC (2)
HPSU (13)
ID (20)
IDS (4)
MONT (2)
MONTU (3)
NOCA (4)
OSC (6)
PSM (1)
SOC (2)
SRP (14)
UBC (30)
WCW (1)
WS (2)
WTU (29)