Vascular Plants of the Gila Wilderness
Presented in Association with the
Western New Mexico University Department
of Natural Sciences
Thymophylla acerosa (A.P. de Candolle) Strother
(Spiny Dogweed, Prickle Leaf Dogweed)
Aciphyllaea acerosa (A.P. de Candolle) Gray
Dyssodia acerosa A.P. de Candolle
Thymophylla acerosa is found at lower elevations in the Gila National Forest in sandy soil,
frequently alongside Gutierrezia, with which it can be confused. The yellow rays and discs are
larger in Thymophylla acerosa, and Gutierrezia is a taller plant.
Please click on an image for a larger file.
Thymophylla acerosa, photo Russ Kleinman & Bill Norris, Burro Mtns., WD Ranch Road, Apr. 21, 2007
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