Basionym Name:Amphiloma pusillum var. dispersum Bagl. & Carestia, Atti Soc. Crittogam. Ital. 2: 190, tab. I, fig. 10 (1880)
Homotypic synonyms:Caloplaca pusilla f. dispersa (Bagl. & Carestia) Jatta, Syll. Lich. Ital. (Trano): 239 (1900)Caloplaca tegularis f. dispersa (Bagl. & Carestia) Zahlbr., Cat. Lich. Univers. 7: 270 (1931)Physcia pusilla f. dispersa (Bagl. & Carestia) Arnold, Flora, Regensburg 64(20): 309 (1881)Placodium obliterascens var. dispersum (Bagl. & Carestia) H. Olivier, Mém. Soc. natn. Sci. nat. Cherbourg 37: 92 (1909)