Lupinus pseudo-parviflorus Rydb.
Annotated by Dunn, 1952.

Montana: Gallatin County: Battleridge Campgrounds, 20 miles northeast of Bozeman.
45.881312° N, 110.87979° W,
Uncertainty: 500 meters.
Moist sedge-grass meadow. Common through the area. Phenology: Flowers.

W. E. Booth s.n., Jun 22, 1952
WTU, Accession: 154516