United States, Arizona, Yavapai, Side of Sycamore Canyon road along Verde River; 1.8km N of Clarkdale; near pool at base of Clarkdale Mine mountain of black tailings.
Erect annual herbs to 1m from a taproot; herbage densely farinose; rare/infrequent along Upper Verde, locally common and abundant along roadsides and disturbed areas near stream.