Basionym Name:Hypoxylon cretaceum Berk. & Broome, Trans. Linn. Soc. London, Bot., Ser. 2 1(6): 405 (1879)
Homotypic synonyms:Penzigia cretacea (Berk. & Broome) Sacc. & Paol., Atti Inst. Veneto Sci. lett., ed Arti, Sér. 6 6: 406 (1888)