Alnus viridis
PNW
AK
BC
ID
MT
OR
WA
YK
1925 specimens from 35 herbaria:
Alaska (271)
British Columbia (354)
Idaho (435)
Montana (197)
Oregon (270)
Washington (359)
Yukon Territory (39)
897 images from 30 herbaria:
ALA (169)
BABY (8)
BBLM (1)
BLMMD (1)
BOIS (3)
CIC (8)
CIC-PYNF (1)
EWU (17)
HJAEF (3)
HPSU (8)
ID (240)
IDE (1)
IDS (42)
LEA (2)
MONT (35)
MONTU (62)
NOCA (11)
PLU (14)
PSM (13)
REED (8)
RM (12)
SOC (5)
SRP (64)
UAAH (33)
UBC (47)
USFS (12)
WCW (14)
WSTC (9)
WTU (32)
WWB (22)