Polemonium occidentale
PNW
AK
BC
ID
MT
OR
WA
YK
668 specimens from 26 herbaria:
Alaska (9)
British Columbia (32)
Idaho (294)
Montana (86)
Oregon (180)
Washington (64)
Yukon Territory (3)
357 images from 20 herbaria:
BOIS (7)
CIC (23)
CIC-PYNF (4)
EWU (2)
HPSU (6)
ID (109)
IDS (48)
MONT (12)
MONTU (31)
PLU (3)
PSM (3)
REED (7)
RM (3)
SBLM (3)
SOC (6)
SRP (58)
USFS (3)
WCW (4)
WTU (22)
WWB (3)