Penstemon procerus var. procerus
PNW
AK
BC
ID
MT
OR
WA
894 specimens from 27 herbaria:
Alaska (1)
British Columbia (48)
Idaho (302)
Montana (298)
Oregon (164)
Washington (74)
433 images from 23 herbaria:
BBLM (2)
BLMMD (1)
BLMVL (1)
BOIS (4)
CIC (23)
CIC-SHO (1)
COCC (2)
CRMO (1)
HPSU (2)
ID (61)
IDS (6)
MONT (6)
MONTU (42)
NEZ (1)
NOCA (2)
OSC (82)
SBLM (1)
SEF (1)
SRP (46)
WCW (3)
WS (116)
WTU (26)
WWB (3)