Equisetum telmateia
PNW
AK
BC
ID
OR
WA
686 specimens from 26 herbaria:
Alaska (2)
British Columbia (197)
Idaho (42)
Oregon (196)
Washington (249)
290 images from 20 herbaria:
CIC (6)
EWU (2)
HJAEF (3)
HPSU (24)
ID (31)
IDS (3)
LEA (4)
LINF (3)
MONT (4)
NOCA (2)
PSM (73)
REED (5)
SOC (29)
SRP (12)
UBC (7)
UWB (3)
WCW (13)
WSTC (1)
WTU (54)
WWB (11)