Basionym Name:Buellia simillima Anzi, Comm. Soc. crittog. Ital. 2(fasc. 1): 19 (1864)
Homotypic synonyms:Catocarpus simillimus (Anzi) Arnold, Flora, Regensburg 54: 147 (1871)Catocarpus simillimus var. simillimus (Anzi) Arnold, Flora, Regensburg 54: 147 (1871)Lecidea simillima (Anzi) Stizenb., Ber. Tät. St Gall. naturw. Ges.: 453 (1882)Rhizocarpon simillimum (Anzi) Lettau, Hedwigia 52(3-4): 156 (1912)Rhizocarpon simillimum var. simillimum (Anzi) Lettau, Hedwigia 52(3-4): 156 (1912)