Actinella richardsonii Nutt,

Montana: Lewis and Clark County: Near Lower Falls of Missouri. Helena.
46.596506° N, 112.02831° W,
Datum: WGS 84. Uncertainty: 6121 meters. Coordinate Source: Digital Map.
Phenology: Flowers.

R. S. Williams 351, Jun 12, 1986
MONT, Accession: 593A, Catalog: A