Penstemon euglaucus
PNW
ID
OR
WA
161 specimens from 11 herbaria:
Idaho (2)
Oregon (127)
Washington (32)
18 images from 7 herbaria:
HPSU (3)
ID (7)
IDS (3)
SRP (2)
WCW (1)
WSTC (1)
WWB (1)