Mentzelia oligosperma Nutt. ex Sims
Annotated by J. C. Wright.

Montana: Sweet Grass County: Northeast corner of county.
46.131082° N, 109.590884° W,
Datum: WGS 84. Uncertainty: 14037 meters. Coordinate Source: Digital Map. Invalid coordinates (located outside county bounds).
Mixed prairie. Phenology: Flowers.

J. C. Wright s.n., Jul 2, 1952
MONT, Accession: 44693