Penstemon davidsonii var. menziesii
PNW
BC
ID
MT
OR
WA
236 specimens from 19 herbaria:
British Columbia (31)
Idaho (1)
Montana (5)
Oregon (22)
Washington (177)
126 images from 14 herbaria:
CIC (1)
EWU (3)
HPSU (4)
ID (15)
IDS (3)
NOCA (13)
PLU (10)
REED (2)
SOC (1)
SRP (1)
UBC (15)
WCW (4)
WTU (42)
WWB (12)