Saxifraga tempestiva Elvander & Denton
[= Micranthes tempestiva]

Montana: Beaverhead County: [locality and coordinates withheld; status in Montana: S2S3 (Rare; MTNHP)],
Near snow bank at summit of peak. All plants of this size so not necessarily depauperate specimens, other species of normal size. Phenology: Flowering. Paratype: Saxifraga tempestiva Elvander & Denton. Published 1976. Madroño 23: 346 (-348), fig. 1. 1976.

C. Leo Hitchcock 12875, Jul 27, 1945
With C. V. Muhlick
RM, Accession: 203391, Barcode: RM0003975