in Purvis & James, Arquipélago, Ciências Biológicas e Marinhas 11A: 7 (1993).
Protologue type data: Typus Azores: Faial: Caldeira, alongside track from Canto dos Saquinhos, alt. 580-670 m, [site 31], 14 April 1992, O. W. Purvis & P. W. James (Terceira) - holotypus (Fig. 4); (BM) - isotypus.
Type locality: Portugal, Azores, Faial, Caldeira, alongside track from Canto dos Saquinhos, [site 31], 580-670 m, 14 April 1992, O. W. Purvis & P. W. James (AZU - holotype; BM - isotype).
Distribution Database: Distributions
Distribution Database: Discover Life
Picture Database: Tropical Lichens
Molecular Database: Genbank
Synonym Database: Index Fungorum
Synonym Database: Mycobank