United States of America, Utah, San Juan, Cedar Mesa-Grand Gulch Plateau; 1st tributary of Slickhorn LCanyon N of main canyon cutting through Polly's Mesa ca. 1.5 mi SE of Hat Rock; Cedar Mesa sandstone
7.5' Slickhorn Canyon E quad; . .
1649 meters
5410 FT
In sandy soil at base of seeping overhanging rimrock just above pool in streambed; riprian zone in open Pinus edulis - Juniperus osteosperma pygmy forest
forming large prickly mats; flowers pale yellow; occasional in damp sand and crevices on rimrock
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)