Penstemon richardsonii var. richardsonii
PNW
BC
OR
WA
206 specimens from 13 herbaria:
British Columbia (34)
Oregon (72)
Washington (100)
34 images from 8 herbaria:
CIC (2)
EWU (1)
ID (16)
NOCA (2)
SRP (4)
UBC (1)
WTU (5)
WWB (3)