Basionym Name:Lecidea caesitia Nyl., Act. Soc. linn. Bordeaux 21(4): 361 (1857)
Homotypic synonyms:Bacidia bacillifera var. caesitia (Nyl.) Boistel, Nouv. Fl. Lich. (Paris) 2: 185 (1903)Bacidia caesitia (Nyl.) Jatta, Syll. Lich. Ital. (Trano): 421 (1900)Placynthium caesitium (Nyl.) Hue, Bull. Soc. linn. Normandie, sér. 5 9: 150 (1906)Placynthium caesitium f. caesitium (Nyl.) Hue, Bull. Soc. linn. Normandie, sér. 5 9: 150 (1906)Scoliciosporum caesitium (Nyl.) Jatta, Fl. ital. crypt. (Florence) 3: 659 (1911)