Family: Asteraceae
[Amphiachyris fremontii var. spinosa A. Nelson, more... ]
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Young twigs, peduncles, and leaves densely hirtellous.
Flowering Mar-May. Rocky or sandy soils, flats, washes, slopes, rock outcrops, canyon walls, cliff faces, commonly with Larrea, Yucca, Ambrosia; 500-1300 m; Ariz., Calif., Nev., Utah.