Lupinus buckinghami C.P. Sm.Idaho: Custer County: Challis National Forest: near Loon Creek Ranger Station. Elev. 5800 ft.
20 degree E slope. Rocky clay. With paintbrush, ryegrass, sage lily. Browse weed, 0.4 density. Abundant all slopes. 12-18 in. Flowering period/seed dispersal June - Sept. Phenology: Flowering.
Holotype: Lupinus buckinghami C.P. Sm.. Published 1952. Spec. Lupinorum 741, fig. 1952.Arthur Buckingham 103, Jul 8, 1932
USFS, Accession: 403390, Barcode: USFS0030056