Azolla microphylla
PNW
BC
ID
MT
OR
WA
118 specimens from 18 herbaria:
British Columbia (40)
Idaho (30)
Montana (4)
Oregon (19)
Washington (25)
73 images from 13 herbaria:
CIC (11)
HPSU (6)
ID (3)
IDE (3)
IDS (5)
LEA (1)
MONT (4)
MONTU (1)
OSC (12)
PSM (1)
SRP (7)
WCW (3)
WTU (16)