Amsinckia retrorsa
PNW
BC
ID
MT
OR
WA
437 specimens from 24 herbaria:
British Columbia (32)
Idaho (187)
Montana (2)
Oregon (78)
Washington (138)
271 images from 20 herbaria:
BBLM (3)
BOIS (9)
CIC (24)
CIC-PYNF (1)
CIC-SHO (2)
CRMO (3)
EWU (4)
HPSU (3)
ID (67)
IDS (16)
LINF (29)
MONT (1)
NOCA (2)
PLU (2)
SRP (56)
UBC (13)
WCW (19)
WSTC (2)
WTU (6)
WWB (9)