Basionym Name:Caloplaca diploplaca var. gracilior Zahlbr., Annals Cryptog. Exot. 5(3-4): 269 (1932)
Homotypic synonyms:Gasparrinia diploplaca var. gracilior (Zahlbr.) C.W. Dodge, Beih. Nova Hedwigia 38: 108 (1971)