Xanthomendoza

Xanthomendoza is a genus of small, bright orange foliose lichens with lecanorine apothecia. It is in the family Teloschistaceae. The genus contains 17 species distributed in the Americas. Members of the genus are commonly called sunburst lichens or orange lichens because of their bright orange color.:130 Members Xanthomendoza were formerly classified in the genus Xanthoria, but Xanthomendoza members have rhizenes or scattered holdfasts, while Xanoria do not, and they have different conidia. Lichen spot tests on the upper cortex are K+ purple, KC-, C-, and P-.