Elymus ambiguus Vasey & Scribn.
[= Leymus ambiguus]

Idaho: Butte County: SE end of Lost River Range, Challis NF, vic. Howe. Upper W end of Eight-Mile Can., ca 1.5 mi NE of summit Howe Peak. Elev. 7550 ft.
43.721986° N, 113.083992° W,
Datum: WGS 84. Uncertainty: 1000 meters. Coordinate Source: Digital Map.
With Artemisia tridentata and Agropyron spicatum. Common tufted (Very short rhzomatous). Awns of lemmas only 0.8 - 0.9 mm; plts with basal lvs, some without, other with both. Phenology: Fertile.

D. Henderson 5027, Jun 12, 1979
ID, Accession: 76115, Barcode: ID027756