Polemonium caeruleum
PNW
AK
BC
ID
MT
OR
WA
YK
720 specimens from 18 herbaria:
Alaska (478)
British Columbia (160)
Idaho (6)
Montana (4)
Oregon (1)
Washington (1)
Yukon Territory (70)
158 images from 14 herbaria:
ALA (97)
BABY (1)
EWU (5)
ID (6)
IDS (1)
LEA (2)
MONT (3)
PSM (1)
SRP (1)
UAAH (3)
UBC (30)
WCW (2)
WTU (2)
WWB (4)