Penstemon attenuatus var. pseudoprocerus
PNW
BC
ID
MT
OR
WA
422 specimens from 14 herbaria:
British Columbia (1)
Idaho (136)
Montana (282)
Oregon (1)
Washington (2)
212 images from 11 herbaria:
BOIS (5)
CIC (2)
ID (66)
IDS (9)
MONT (17)
MONTU (78)
RM (18)
SRP (12)
USFS (1)
WTU (2)
WWB (2)