Pinus ponderosa
PNW
BC
ID
MT
OR
WA
753 specimens from 26 herbaria:
British Columbia (84)
Idaho (165)
Montana (94)
Oregon (175)
Washington (235)
416 images from 22 herbaria:
CIC (37)
CIC-PYNF (3)
EWU (13)
HJAEF (1)
HJAEFB (1)
HPSU (5)
ID (68)
IDS (9)
MONT (36)
MONTU (29)
MORA (5)
NOCA (6)
OSC (16)
PLU (21)
PSM (5)
SOC (20)
SRP (40)
UBC (38)
WCW (12)
WS (10)
WTU (35)
WWB (6)