Pteridium aquilinum ssp. pubescens
PNW
AK
BC
ID
MT
OR
WA
441 specimens from 23 herbaria:
Alaska (5)
British Columbia (29)
Idaho (94)
Montana (33)
Oregon (135)
Washington (145)
217 images from 18 herbaria:
CIC (15)
CIC-PYNF (4)
EVE (1)
EWU (5)
HJAEF (1)
HPSU (10)
ID (36)
IDS (4)
MONT (1)
MONTU (25)
NOCA (5)
PLU (4)
RM (2)
SOC (14)
SRP (9)
UBC (1)
WCW (1)
WTU (79)