Basionym Name:Sphyridium caesiopruinosum Anzi, [as 'caesio-pruinosum'] Atti Soc. ital. Sci. nat. 9: 244 (1866)
Homotypic synonyms:Baeomyces caesiopruinosus (Anzi) Jatta, Syll. Lich. Ital. (Trano): 73 (1900)