Lamoille Canyon milkvetch, Astragalus robbinsii var. occidentalis
![Astragalus robbinsii var. occidentalis S. Wats.的圖片](https://content.eol.org/data/media/d7/67/02/542.7cfb90e8158e811c4eb8effdcb44945a.580x360.jpg)
描述:
Lamoille Canyon milkvetch, Astragalus robbinsii var. occidentalis, Thomas Creek Canyon, Ruby Mountains, Humboldt Toiyabe National Forest, elevation 2505 m (8225 ft). This rare variety is found only in the Ruby Mountains of Elko County, Nevada.