United States of America, Arizona, La Paz, AZ Uplands division of Sonoran Desert, Buckskin Mts. Bill Williams R. ca. 8500m NE of Swansea townsite; substrate of Tertiary Miocene boulder conglomerate, arkose, granitic and metamorphic rock; 830 ft.
34.17 -113.84528 +-3036m. WGS84
13S 243789E 3790552N
Collector corrected or updated georeference in 2017. Used software BaseCamp (Garmin) to either convert NAD27 to decimal latitude and longitude or to add latitude and longitude when no prior georeference existed.
253 meters
830 ft
Ridge between minor fork and main river; gravelly soil stabilized by desert pavement on steep S. facing hillside and saddle; with Cercidium microphyllum, Ephedra fasiculata, Pectocarya recurvata, Chaenactis stevioides, Plantago ovata, Lotus saluginosus var. brevivexillus, Amsinckia mensiezii var. intermedia, E. thomasii, E. deflexum, E. inflatum; stems chartreuse green, diffusely branched; flowers bright yellow, pubescent externally; ground cover locally.
Tertiary Miocene boulder conglomerate, arkose, granitic and metamorphic rock
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)