Astragalus beckwithii Torr. & A. Gray var. sulcatus Barneby

Idaho: Lemhi County: Roadcut along lower Stormy Creek Rd., ca 1.5 miles W of turnoff with Hwy 93, ca 3 miles N of Salmon. Elev. 4000 ft.
45.234696° N, 113.907396° W,
Datum: WGS 84. Uncertainty: 654 meters. Coordinate Source: Digital Map.
Substrate: rocky soil derived from volcanics?. Artemisia tridentata/Agropyron spicatum is adjacent community. Associated with Chrysothamnus nauseosus, Balsamorhiza sagittatus, Poa secunda, Haplopappus acaulis. Flowers yellow; fruit grooved beneath. Plants common across this section of canyonside between 4000' and 4800'+. This taxon is locally abundant, in scattered populations from about Ellis, downstream along the Salmon River valley to below North Fork. Phenology: Flowers.

Bob Moseley 1386, May 19, 1989
ID, Accession: 103308, Barcode: ID060341