Mahonia swaseyi (Buckley ex Young) Fedde

Mahonia swaseyi (Buckley ex Young) Fedde. Berberis swaseyi is a rare species of barberry endemic to the Edwards Plateau region of Texas. It grows in limestone ridges and canyons. The species is evergreen, with thick, rigid, five-to-nine foliolate leaves. Berries are dry or juicy, white to red, about 9–16 mm in diam.