Aesculus hippocastanum
PNW
BC
ID
MT
OR
WA
68 specimens from 15 herbaria:
British Columbia (4)
Idaho (13)
Montana (4)
Oregon (19)
Washington (28)
42 images from 12 herbaria:
HPSU (5)
ID (4)
IDS (5)
MONTU (3)
PLU (3)
PSM (3)
SRP (4)
UBC (3)
UWB (1)
WCW (2)
WTU (6)
WWB (3)