The foliage of creosote bush, Larrea divaricata, when used as a medicinal herb.
A region of shrubs, typically dry in the summer and rainy in the winter. The coast of the Mediterranean is such a region.
Larrea tridentata (creosote bush).
Spiny shrubs containing oil, of the genus Sarcobatus, native to the United States, especially Sarcobatus vermiculatus.
Glossopetalon spinescens (spiny greasewood, Nevada greasewood).
Adenostoma fasciculatum (chamise).
Gutierrezia (snakeweeds, matchweeds).
Baccharis sarothroides (desert broom)