Basionym Name:Lithoicea nigrescens var. acrotella A. Massal., Sched. Crit. Lich. Exsicc. (Veronae) 5: 106 (1856)
Homotypic synonyms:Verrucaria nigrescens f. acrotella (A. Massal.) Beltr., Lich. Bassan.: 216 (1858)Verrucaria nigrescens var. acrotella (A. Massal.) Müll. Arg., Mém. Soc. Phys. Hist. nat. Genève 16(2): 414 (1862)Verrucaria nigroumbrina f. acrotella (A. Massal.) Servít, Ann. Mus. Civ. Stor. Nat. Genova 64: 52 (1950)