Poteridium annuum
PNW
BC
ID
MT
OR
WA
419 specimens from 27 herbaria:
British Columbia (29)
Idaho (138)
Montana (29)
Oregon (151)
Washington (72)
223 images from 21 herbaria:
BBLM (1)
BLMMD (1)
BOIS (1)
CIC (12)
CIC-PYNF (1)
EWU (2)
HPSU (6)
ID (50)
IDE (6)
IDS (11)
MONT (4)
MONTU (14)
NOCA (2)
PLU (1)
PSM (5)
SOC (10)
SRP (19)
UBC (3)
WCW (1)
WTU (72)
WWB (1)