Thesium arvense Horvdtovszky
[= Thesium ramosum]
Annotated by William A. Weber, Feb 1994.

Montana: Madison County: Ruby River; on the south side of the River just east of Ledford Creek Road. Elev. 5700 ft.
45.0803° N, 112.0778° W; T9S R4W S3
Coordinate Source: TRS-website.
Locally common on hummocks in calcareous wet meadows on the south side of the Ruby River. With Juncus balticus and Potentilla fruticosa. Duplicate determined by Weber. Phenology: Flowers and Fruits.

Peter Lesica 5806 A, Jul 28, 1992
MONTU, Accession: 118540