Tsuga mertensiana
PNW
AK
BC
ID
MT
OR
WA
YK
376 specimens from 27 herbaria:
Alaska (46)
British Columbia (51)
Idaho (54)
Montana (10)
Oregon (96)
Washington (118)
Yukon Territory (1)
139 images from 19 herbaria:
ALA (32)
CIC (1)
EWU (6)
HJAEF (1)
ID (32)
IDS (3)
LEA (1)
MONT (3)
MONTU (4)
NOCA (12)
PLU (11)
PSM (4)
REED (1)
SOC (9)
SRP (5)
UBC (1)
WCW (4)
WTU (5)
WWB (4)