Four images of Algarita, Algerita, Mahonia trifoliolata, Berberis trifoliolata a member of the barberry family, Berberidaceae, is separated into the narrowly-defined genus Mahonia or the broader taxonomic concept of the genus Berberis. It is native to dry rocky slopes and deserts from south Texas, Arizona, New Mexico and northern Mexico. Roots used to prepare a tonic for liver problems, as a laxative, and to stimulate and improve digestion. The fruits are considered edible. Used similarly to Oregon Grape Root.