Oenothera elata subsp. hirsutissima (Gray ex S. Wats.) W. Dietr.
Onagraceae
Dixie Z. Damrel
1787B
2002-10-18
L. Landrum, J. Ward, D. Goldman, F. Ziemmeck
USA, Arizona, Maricopa County, Tonto National Forest, Horse Mesa Dam Quad. T2N R10E sect. 10, SE corner. Superstition Mountains Off state Hwy 88, just NW of the Fish Creek Canyon bridge in the little canyon-bed running below, but parallel to the road.