Epipactis helleborine
PNW
BC
OR
WA
86 specimens from 13 herbaria:
British Columbia (35)
Oregon (24)
Washington (27)
24 images from 7 herbaria:
HPSU (6)
ID (1)
OSC (5)
SOC (1)
UBC (3)
WTU (7)
WWB (1)