in Wirth, Stuttg. Beitr. Naturk., Ser. A (Biol.) 517: 62 (1994).

Basionym: Lecidea effusa var. delicata Larbal. ex Leight., Lich.-Fl. Great Brit., Edition 3: 371 (1879).

Protologue type data: Var. delicata, Larbal. apothecia pale-rose, albo-pruinose. Lough Feagh. Mr. Larbalestier. (1877.)".

Type locality: Ireland, County Mayo, Lough Feeagh [Lough Feagh], 1877, Larbalestier (xx).

53°56'56?N, 9°34'32?W; 53.948889, -9.575556.

Note: There are deviating citations of the authors as "Larbal. & Leight." by
Wirth et al. (2011: 24)
(Leight.) Poelt & Vezda by Lendemer & Macklin (2006: 42) erroneously
As the protologue reads:
"Var. delicata, Larbal. apothecia pale-rose, albo-pruinose. Lough Feagh. Mr. Larbalestier. (1877.)" these citations are not correct.