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

Pycnidium is a type of conidioma, or asexual reproductive structure, found in many fungi, especially ascomycetes. It is typically globose to flask-shaped and contains spores produced within an interna