Ptilidium
ciliare
PNW
AK
BC
ID
MT
OR
WA
YK
716 specimens from 8 herbaria:
Alaska (525)
British Columbia (155)
Idaho (2)
Montana (7)
Oregon (1)
Washington (4)
Yukon Territory (22)
195 images from 3 herbaria:
ALA (184)
UAAH (8)
WTU (3)