Empetrum nigrum
PNW
AK
BC
OR
WA
YK
731 specimens from 19 herbaria:
Alaska (353)
British Columbia (250)
Oregon (35)
Washington (56)
Yukon Territory (37)
374 images from 15 herbaria:
ALA (282)
BABY (1)
CIC (1)
HPSU (2)
ID (12)
IDS (1)
LEA (1)
NOCA (8)
PSM (5)
SOC (2)
SRP (1)
UAAH (2)
UBC (27)
WTU (23)
WWB (6)