California Butterweed, Californica Groundsel, California Ragwort
Senecio californicus
Synonym: Senecio ammophilus
California ragwort as seen in Plum Canyon, Anza Borrego Desert State Park............March 23, 2011.
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California ragwort as seen at Morteros, Anza-Borrego Desert State Park........March 27, 2010.
Paul Slichter