Basionym Name:Acarospora tersa var. tenuis Vain., in Hiern, Cat. Afr. Pl. 2(2): 426 (1901)
Homotypic synonyms:Acarospora tenuis (Vain.) H. Magn., K. svenska Vetensk-Akad. Handl., Ser. III 7(no. 4): 50 (1929)