Potamogeton robbinsii
PNW
AK
BC
ID
MT
OR
WA
171 specimens from 20 herbaria:
Alaska (13)
British Columbia (20)
Idaho (17)
Montana (18)
Oregon (24)
Washington (79)
72 images from 15 herbaria:
ALA (4)
BLMVL (1)
CIC (3)
EWU (2)
HPSU (5)
ID (15)
IDS (6)
MONTU (14)
NOCA (1)
REED (1)
SRP (1)
UAAH (5)
UBC (4)
WTU (6)
WWB (4)