Astragalus mollissimus var. bigelovii (A.Gray) Barneby
Fabaceae
R. C. Barneby (1985)
A. C. Sanders
4731
1984-03-20
20 Mar 1984
Mexico, Chihuahua, Janos, Rolling hills 0.4 miles east of Highway 2 at a point 5.2 road miles northwest of Arroyo Salto de Ojo and 14.3 miles northwest of Janos
31.02 -108.37
1402 meters
4600 ft
Chihuahuan grassland with Gutierrezia, Acacia, Yucca elata, Prosopis, Hilaria, Dalea, and many annual and perennial herbs, on very sandy loam with some volcanic cobbles. On lower slopes and i