Basionym Name:Verrucaria olivacea var. diffracta Garov., Tentam. Dispos. Lich. Langob.: 64 (1865)
Homotypic synonyms:Involucrothele olivacea var. diffracta (Garov.) Grummann, Cat. Lich. Germ. (Stuttgart): 15 (1963)Thelidium olivaceum var. diffractum (Garov.) Jatta, Fl. ital. crypt. (Florence) 3: 833 (1911)