Gutierrezia is a genus of flowering plants in the sunflower family. Plants of this genus are known generally as snakeweeds or matchweeds. There are about 25 species found in North and South America. These plants contain chemical compounds which can be toxic to livestock and some are considered weeds. They bear small yellow daisylike flowers.
* Gutierrezia arizonica - Arizona snakeweed
* Everitt, J.H.; Lonard, R.L., Little, C.R. (2007). Weeds in South Texas and Northern Mexico. Lubbock: Texas Tech University Press. ISBN 0-89672-614-2
Source: Wikipedia, Wikispecies: All text is available under the terms of the GNU Free Documentation License