Xanthoparmelia lecanorica

Xanthoparmelia lecanorica is a foliose lichen that belongs to the genus Xanthoparmelia. It is noted for being similar in appearance and has often been misidentified as Xanthoparmelia arida.

Description
Xanthoparmelia lecanorica grows to around 3–5 cm in diameter with board yellow-green sub irregular lobes that extend 1–2 mm wide. The underside is dark brown to black with simple rhizines approximately 0.2-0.5 mm long.

Habitat and range
Xanthoparmelia lecanorica is found in South Africa. At times specimens of Xanthoparmelia arida have been misidentified in North America as Xanthoparmelia lecanorica.

Chemistry
Xanthoparmelia lecanorica has been recorded containing both lecanoric and usnic acids.