Potamogeton richardsonii
PNW
AK
BC
ID
MT
OR
WA
YK
568 specimens from 28 herbaria:
Alaska (108)
British Columbia (56)
Idaho (64)
Montana (119)
Oregon (97)
Washington (103)
Yukon Territory (21)
313 images from 24 herbaria:
ALA (86)
BABY (1)
BBLM-OWY (1)
BLMVL (4)
CIC (14)
CRMO (1)
DPP (1)
EWU (1)
HPSU (6)
ID (47)
IDE (3)
IDS (8)
MONT (20)
MONTU (58)
NOCA (3)
PSM (3)
RM (1)
SOC (2)
SRP (8)
UAAH (9)
UBC (13)
WCW (3)
WTU (13)
WWB (7)