Clematis columbiana (Nutt.) Torr. & A. Gray var. tenuiloba (A. Gray) J. S. Pringle
Annotated by Emily Elliott.

Montana: Carbon County: Beartooth Mountains: Custer National Forest: along West Red Lodge Creek and ridge between West Red Lodge and East Fork West Red Lodge creeks, ca 3 air mi SSW of Luther; ca 11.5 air mi WNW of Red Lodge. Elev. 5590-5780 ft.
45.1681° N, 109.5523° W; NAD 83, , GPS reading; T7S R18E S1 NE1/4
Datum: NAD 83. Coordinate Source: GPS reading.
Westerly-facing slope with scattered limber pine, Douglas fir, and ponderosa pine, with open gravelly patches. Phenology: Flowering and Fruiting.

B. E. Nelson 71402, May 29, 2007
USFS, Accession: 865971, Barcode: USFS0046642