Ilex aquifolium
PNW
BC
OR
WA
217 specimens from 19 herbaria:
British Columbia (29)
Oregon (65)
Washington (123)
88 images from 16 herbaria:
CIC (3)
EWU (3)
HPSU (3)
ID (2)
IDS (5)
MONT (3)
NOCA (6)
OSC (22)
PLU (1)
SAJH (1)
SRP (7)
UBC (3)
WCW (2)
WS (5)
WTU (21)
WWB (1)