Dissanthelium californicum (Nutt.) Benth.

Dissanthelium californicum (Nutt.) Benth.. Dissanthelium californicum is a rare species of grass in the family Poaceae. It was originally discovered on Santa Catalina, an island off California's coast in 1847 by U.S. botanist and naturalist William Gambel. It was later identified as growing on Guadalupe Island, on San Clemente Island and Catalina Island.