Basionym Name:Acarospora irregularis H. Magn., K. svenska Vetensk-Akad. Handl., Ser. III 7(no. 4): 229 (1929)
Homotypic synonyms:Acarospora nitrophila f. irregularis (H. Magn.) Clauzade & Cl. Roux, Bull. Mus. Hist. Nat. Marseille 41: 91 (1981)