Xanthoparmelia californica is a lichen which belongs to the Xanthoparmelia genus. The lichen is uncommon, and is listed as imperiled by the Nature Conservatory.
This lichen grows to around 3âÂÂ6 cm in diameter, with irregularly lobate lobes which are approximately 0.8-1.5 mm wide with smooth edges. The upper surface of the lichen is yellow-green to bluish green. It gains darker rings with age, and is light brown on the underside.
It is found in the North American southwest, including the US states of California, Utah, and Arizona, and the Mexican state of Sonora.