Pediomelum hypogaeum (Nutt. ex Torr. & Gray) Rydb.
Annotated by Peter Lesica, 1 Feb 2007.

Montana: Cascade County: Missouri River; above Bird Creek along River. Elev. 3450 ft.
47.2981° N, 111.6128° W; T18N R1E S21
Coordinate Source: TRS-website.
Occasional in natural sandy blowouts; highly localized on sandy ridge above Bird Creek along Missouri River. Associated species: _Sporobolus cryptandrus_, _Lupinus argenteus_, _Chrysopsis villosa_. Handwritten under collector:
MONTU-1994-8. Phenology: Flowers.

Bonnie Heidel 1000, May 24, 1993
MONTU, Accession: 118644