Potamogeton foliosus
PNW
AK
BC
ID
MT
OR
WA
YK
368 specimens from 25 herbaria:
Alaska (22)
British Columbia (50)
Idaho (39)
Montana (47)
Oregon (104)
Washington (104)
Yukon Territory (2)
158 images from 19 herbaria:
ALA (12)
BABY (2)
BBLM (1)
BBLM-OWY (1)
BLMVL (15)
CIC (23)
EWU (1)
HPSU (4)
ID (12)
IDS (5)
MONT (6)
MONTU (26)
PLU (4)
PSM (3)
SOC (1)
SRP (5)
UBC (1)
WTU (17)
WWB (19)