Localities documented in Tropicos sources
United States (North America)
Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
- Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville. http://www.tropicos.org/Reference/1103
- Williams, M. C. & R. C. Barneby. 1977. The Occurrence of Nitro-toxins in North America Astragalus (Fabaceae). Brittonia 29(3): 310–326. http://www.tropicos.org/Reference/94
- Barneby, R. C. 1964. Atlas of North American Astragalus. Mem. New York Bot. Gard. 13(1–2): 1–1188. http://www.tropicos.org/Reference/85
- Cronquist, A. J., A. H. Holmgren, N. H. Holmgren, Reveal & P. K. Holmgren. 1989. Vascular Plants of the Intermountain West, U.S.A., FABALES. 3B: 1–279. In A. J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermount. Fl. Hafner Pub. Co., New York. http://www.tropicos.org/Reference/35722
Regularity: Regularly occurring
Comments: Brushy slopes, terraces and benches along canyons or along dry flats and gently rolling hill country among sagebrush in alluvial clays and gravels of both granitic and basaltic origin (Barneby, 1964).
National NatureServe Conservation Status
Rounded National Status Rank: NNR - Unranked