Rabbit Brush is a common and variable species in a genus found only in western North America. Some races are light green [the leaves], others have silvery hairs. Navajo Indians obtained a yellow dye from the flower heads.
- The Audubon Society Field Guide to North American Wildflowers: Western Region, by Richard Spellenberg
Chrysothamnus nauseous is a member of the sunflower family (Asteraceeae). The wash is full of rabbit brush, mostly gone to seed but with a few yellow flowers remaining, and in this so-far warm late December there are still butterflies in the wash, also. Amazing to Michigan eyes! The species name give me pause, however. Would a cow who ate rabbit brush (if one did) become nauseated? I still have a lot to learn.
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