Heterotheca villosa (Pursh) Shinners var. ballardii (Rydb.) Semple
Annotated by Halse, R., 19 Aug 2010.

Montana: Granite County: overlooking Clark's Fork, 17 miles west of Drummond.
Rays yellow; cabinet number 49.

Arthur Cronquist 6746, Jul 1950
OSC, Catalog: ORE90964