Polemonium occidentale
PNW
AK
BC
ID
MT
OR
WA
655 specimens from 28 herbaria:
Alaska (9)
British Columbia (26)
Idaho (296)
Montana (66)
Oregon (187)
Washington (68)
444 images from 24 herbaria:
BLMMD (1)
BOIS (7)
CIC (24)
CIC-PYNF (4)
COCC (4)
EWU (2)
HPSU (9)
ID (111)
IDS (48)
MONT (12)
MONTU (31)
NEZ (2)
OSC (66)
PLU (3)
PSM (3)
REED (7)
SBLM (4)
SEF (1)
SOC (9)
SRP (61)
WCW (4)
WS (2)
WTU (26)
WWB (3)