Basionym Name:Urceolaria sicula Jatta, Lich. Ital. Merid.: 231 (1889)
Homotypic synonyms:Diploschistes diacapsis subsp. siculus (Jatta) Clauzade & Cl. Roux, Bull. Soc. linn. Provence 40: 86 (1989)Diploschistes gypsaceus subsp. siculus (Jatta) Clauzade & Cl. Roux, Bull. Soc. bot. Centre-Ouest, Nouv. sér., num. spec. 7: 355 (1985)