Oenothera flava
PNW
ID
MT
OR
WA
96 specimens from 18 herbaria:
Idaho (44)
Montana (37)
Oregon (11)
Washington (4)
77 images from 16 herbaria:
BBLM (1)
CIC (7)
CIC-SHO (1)
COCC (1)
CRMO (1)
ID (3)
IDE (1)
IDS (10)
MONT (20)
MONTU (12)
OSC (4)
SBLM (1)
SRP (8)
TFBLM (1)
UBC (1)
WTU (5)