Aesculus hippocastanum
PNW
BC
ID
MT
OR
WA
76 specimens from 15 herbaria:
British Columbia (4)
Idaho (15)
Montana (3)
Oregon (23)
Washington (31)
54 images from 14 herbaria:
HPSU (7)
ID (6)
IDS (6)
MONTU (3)
OSC (4)
PLU (3)
PSM (3)
SRP (5)
UBC (3)
UWB (1)
WCW (2)
WS (1)
WTU (7)
WWB (3)