Xylorhiza tortifolia var. imberbis (Cronq.) T.J. Wats.
Asteraceae
Wendy C. Hodgson
18973
2005-02-23
Sarah Hunkins, Steve and Jane Williams
USA, Arizona, Yavapai County, North side of Black Mountains, along jeep trail into Black Canyon Wash, just west of highway 93 and southeast of Santa Maria River.