Equisetum hyemale
PNW
AK
BC
ID
MT
OR
WA
993 specimens from 38 herbaria:
Alaska (11)
British Columbia (262)
Idaho (164)
Montana (79)
Oregon (140)
Washington (332)
614 images from 34 herbaria:
BABY (1)
BBLM (3)
BOIS (2)
CIC (18)
CIC-PYNF (2)
COCC (3)
CRMO (2)
EWU (15)
HJAEF (1)
HPSU (16)
ID (56)
IDE (4)
IDS (19)
LEA (2)
MONT (27)
MONTU (40)
NEZ (3)
NOCA (2)
OSC (64)
PLU (4)
PSM (64)
REED (3)
SAJH (2)
SOC (7)
SRP (48)
TFBLM (1)
UAAH (1)
UBC (22)
UWB (1)
VALE (4)
WCW (13)
WS (8)
WTU (144)
WWB (12)