Howellia
aquatilis
PNW
ID
MT
OR
WA
91 specimens from 13 herbaria:
Idaho (8)
Montana (46)
Oregon (26)
Washington (11)
45 images from 7 herbaria:
EWU (1)
ID (8)
IDE (1)
MONT (1)
MONTU (32)
SRP (1)
WTU (1)
