United States of America, Arizona, Yuma, Cabeza Prieta National Wildlife Refuge, Cabeza Prieta Mts., Sierra Arida, summit 1595; Lower Colo. R. subdivision of Sonoran Desert; 1595 ft.; Cretaceous gneiss substrate.
32.24207 -113.68776 NAD 27
12 S 246750E 3570250N
Decimal latitude and longitude calculated by collector. Used software BaseCamp (Garmin) to convert NAD27 to decimal latitude and longitude. Collector corrected or updated georeference in 2017.
457 meters
1500 ft.
On steep, rocky W. facing slope below summit ridge; with Encelia farinosa, Bursera microphylla, Eriogonum inflatum, Porophyllum gracile; plants clump forming, rigid stemmed, dioecious; a few pistillate & 1 staminate plant in immediate vicinity; occasional to rare elsewhere.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)