Penstemon procerus var. tolmiei
PNW
BC
ID
OR
WA
366 specimens from 17 herbaria:
British Columbia (28)
Idaho (8)
Oregon (7)
Washington (322)
169 images from 13 herbaria:
BLMVL (1)
CIC (1)
EWU (1)
HPSU (1)
ID (9)
IDS (3)
MORA (23)
NOCA (17)
UBC (4)
WCW (3)
WS (89)
WTU (9)
WWB (8)