Xanthoparmelia crassilobata
Xanthoparmelia crassilobata is a species of terricolous, foliose lichen in the family Parmeliaceae. Found in South Africa, it was formally described as a new species in 1986 by the American lichenologist Mason Hale. The type specimen was collected from Cape Province at an elevation of, where it was found growing on soil on flat dolerite outcrops in a pasture. The lichen has a leathery and bright yellowish-green thallus, measuring in diameter, that grows with a loosely attachment to its of soil and loose pebbles. It contains salazinic acid and usnic acid.