Empetrum nigrum
PNW
AK
BC
ID
OR
WA
454 specimens from 20 herbaria:
Alaska (77)
British Columbia (251)
Idaho (1)
Oregon (37)
Washington (80)
127 images from 18 herbaria:
BABY (1)
CIC (1)
COCC (1)
HPSU (2)
ID (13)
IDS (1)
LEA (1)
MORA (8)
NOCA (8)
OSC (26)
PSM (5)
SOC (2)
SRP (1)
UAAH (9)
UBC (13)
WS (3)
WTU (26)
WWB (6)