United States, Arizona, Mohave, UnknownAlong Hwy 389, 22.2 mi. west of Fredonia, just east of Cedar Ridge, approx. 9 mi. west of Pipe Spring Natl. Mon., just south of Vermilion Cliffs.; Colorado City 7.5'.
Leaf material removed for DNA extraction Exploring evolutionary relationships of New World Astragalus through phylogenetic analyses. - Loyola University, Chicago, Victoria Martinez Mercado, 2 March 2023; Native