Xanthoparmelia endochromatica is a species of saxicolous (rock-dwelling), 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 from the sandstone ledges of Table Mountain at an elevation of . The thallus of this lichen is tightly attached to its rock . It is yellowish-green, although older individuals tend to become blackened in the center, and reaches diameters of . It contains gyrophoric acid, usnic acid, and a substance known as the "schenckiana" pigment.