Collected
15 July 2004.
Arizona, United States
Locality: Cochise Co. Unpaved road between Hwy. 80 and Hwy. 90 from 0.7 to 1.7 mi. west of Hwy 90, just south of Benson, along lower bajada of Whetstone Mts.
Environment description: Sandy to clay soil.
Number of plants sampled: 17