Xanthoria

Xanthoria is a genus of lichenized fungi in the family Teloschistaceae. Common names include orange lichen, orange wall lichen, and sunburst lichen. They can be identified by their characteristic squamulose morphology with distinctive "fairy cups".

Species

, Species Fungorum accepts 19 species of Xanthoria.

Xanthoria aureola
Xanthoria calcicola
Xanthoria coomae
Xanthoria ectaneoides
Xanthoria hypogymnioides
Xanthoria ibizaensis
Xanthoria juniperina
Xanthoria kangarooensis
Xanthoria lapalmaensis
Xanthoria parietina – common orange lichen, yellow scale, maritime sunburst lichen, shore lichen
Xanthoria polessica
Xanthoria pylyporlykii – Europe
Xanthoria rutilans
Xanthoria schummii
Xanthoria splendidula
Xanthoria ulophyllodes – powdery sunburst lichen
Xanthoria whinrayi
Xanthoria yorkensis

The taxa Xanthoria coomae and Xanthoria polessica were determined to be the same species as X. parietina in a 2020 publication. The taxon once known as Xanthoria elegans is now Rusavskia elegans, the type species of genus Rusavskia.