Göteborgs Kungl. Vetensk. Samhälles Handl., Ser. B, Math. Naturvensk. Skr. 1 (no. 7): 20 (1941).
Protolog type data: Habitatio typi: Insula Sã Miguel, Pico da Vara, c. 600 m s. m., ad ramulos. Leg. 1937 H. Persson. Typus in herb. Upsal., cotypus in herb. Degel.
Type locality: Portugal, Azores, Sã Miguel, Pico da Vara, on twigs, c. 600 m, 1937, H. Persson (UPS - holotype; Degelius - isotype).
Type locality coordinates: 37°46'17"N, 25°27'43"W; 37.771389°, -25.461944°.
Distribution Database: Distributions
Distribution Database: Discover Life
Picture Database: Tropical Lichens
Molecular Database: Genbank
Synonym Database: Index Fungorum
Synonym Database: Mycobank