Xanthoparmelia competita
Xanthoparmelia competita is a species of saxicolous, foliose lichen in the family Parmeliaceae. Found in Southern Africa, it was formally described as a new species in 1986 by the American lichenologist Mason Hale. The type specimen was collected in Cape Province at an elevation of about, where it was growing on domes of coarse conglomerate in Fynbos. The lichen has a dull yellowish-green thallus that grows to in diameter, comprising somewhat irregular that measure 0.7–1.5 mm wide.