Penstemon albertinus Greene . × Penstemon wilcoxii
Annotated by Johnson, P., 1986.

Montana: Lake: 4.3 miles N of Swan [sic] Lake (P.O.) along hwy 83. Elev. 3250 ft.
47.957278° N, 113.888918° W,
Datum: NAD83. Coordinate Source: OrlookId: 121727, StateProvince: Montana, County: Lake, LocName: 25N 18W 04. OregonFlora 1994-2020 methodology.
Large open roadcut in mixed Pseudotsuga menziesii shrub community; 40-45% slope, W aspect, skeletal sandy gravel loam soil. Pseudotsuga menziesii, Acer glabrum, Acer campestre, Acillea millefolium, Penstemon wilcoxii, Amelanchier alnifolia, Holodiscus discolor Https://oregonflora.org/collections/individual/index.php?occid=1066917. Phenology: flowering.

Paul J. Johnson 1419a, May 29, 1986
OSC, Accession Number: OSC220790