Krynitzkia watsonii A. Gray ?
Remarks: Perhaps K. torreyana. Gray. RYDBERG: CATALOGUE OF THE FLORA OF MONTANA AND THE YELLOWSTONE NATIONAL PARK. P. 331

Montana: Gallatin County: Bozeman.
45.67972° N, 111.03778° W,
Uncertainty: 6238 meters. Coordinate Source: GeoLocate.
Phenology: Flowers.

Frank Tweedy 1173, Aug 1886
MONT, Accession: 3606