Oenothera
deltoides
PNW
ID
MT
OR
97 specimens from 12 herbaria:
Idaho (2)
Montana (1)
Oregon (94)
51 images from 9 herbaria:
CIC (5)
COCC (2)
HPSU (1)
ID (3)
IDS (1)
OSC (35)
PSM (1)
SOC (2)
WS (1)
