Lathyrus palustris
PNW
AK
BC
ID
OR
WA
139 specimens from 16 herbaria:
Alaska (35)
British Columbia (31)
Idaho (3)
Oregon (34)
Washington (36)
41 images from 13 herbaria:
CIC (1)
EWU (1)
HPSU (1)
ID (4)
OSC (3)
REED (1)
SRP (1)
UAAH (13)
UBC (5)
WCW (2)
WS (1)
WTU (2)
WWB (6)