Potamogeton richardsonii
PNW
AK
BC
ID
MT
OR
WA
491 specimens from 27 herbaria:
Alaska (36)
British Columbia (55)
Idaho (65)
Montana (107)
Oregon (102)
Washington (120)
306 images from 24 herbaria:
BABY (1)
BBLM-OWY (1)
BLMVL (4)
CIC (14)
CRMO (1)
DPP (1)
EWU (1)
HPSU (7)
ID (56)
IDE (3)
IDS (8)
MONT (21)
MONTU (62)
NOCA (3)
OSC (5)
PSM (3)
SOC (2)
SRP (8)
TFBLM (1)
UAAH (19)
UBC (6)
WCW (3)
WTU (69)
WWB (7)