Penstemon fruticosus (Pursh) Greene × Penstemon rupicola (Piper) HowellOregon: Deschutes County: 15 mi. south of Bend. Lava Butte. Elev. 4200 feet
43.841075° N, 121.31417° W
Coordinate Source: Estimated.
C. L. Hitchcock 4912, Jun 24, 1939
With J. S. Martin
WS, Accession: 95782