Tsuga heterophylla
PNW
AK
BC
ID
MT
OR
WA
YK
715 specimens from 29 herbaria:
Alaska (66)
British Columbia (96)
Idaho (107)
Montana (36)
Oregon (174)
Washington (235)
Yukon Territory (1)
377 images from 21 herbaria:
ALA (42)
CIC (2)
EWU (12)
HJAEF (1)
HPSU (6)
ID (116)
IDS (9)
LINF (1)
MONT (9)
MONTU (15)
NOCA (3)
PLU (10)
PSM (20)
REED (3)
SOC (5)
SRP (12)
UBC (5)
UWB (3)
WCW (12)
WTU (86)
WWB (5)