Pterygoneurum ovatum
PNW
BC
ID
MT
OR
WA
YK
210 specimens from 11 herbaria:
British Columbia (57)
Idaho (64)
Montana (22)
Oregon (16)
Washington (50)
Yukon Territory (1)
42 images from 5 herbaria:
CRMO (7)
SRP (24)
SRP-B (4)
VALE (4)
WTU (3)