Massalongia is a genus of lichen-forming fungi in the family Massalongiaceae. It has four species. These lichens form small, leaf-like patches with narrow lobes that often arrange in loose rosettes an

Fuscidea is a genus of crustose lichens in the family Fuscideaceae. It has about 40 species. The genus was established in 1972 by Volkmar Wirth and Antonín Vězda, with its name derived from the Latin