Astragalus laxmanii Jacq. var. robustior (Hook.) Barneby & S.L. Walsh

Montana: Richland County: Poplar, 9 mi S, 2.25 mi E. Badlands of the Missouri River valley. Elev. 2280-2300 ft.
47° 58' 35.1" N, 105° 4' 32.6" W
Coordinate Source: Specimen Label.
Among sandstone outcrops on W-facing slope above badlands draws in Calamovilfa longifolia - Bouteloua gracilis prairie with Yucca glauca and Rhus aromatica var. trilobata. Upper end of drainage of Second creek. Moderate slope. Full sun. Sandy soil. Uncommon.

Steven B. Rolfsmeier 17421, Jun 6, 2004
With Susan Rolfsmeier, Julie M. Lancaster, Ken & Pat Torgerson
MONTU, Accession: 162836