Bull. Herb. Boiss. Esr. 2, 5: 542 (1905)
Type locality: Brazil, Bahia, ad ramos arborum in sylvis ad Cachoeira do Campo, L. B. Damazio 1449 - holotype in W [TLC: usnic acid, homosekikaic acid, sekikaic acid, ramalinoric acid (trace), 4'-0-methylnorhomosekikaic acid, 4'-0-methylnorsekikaic acid (trace)] (Kashiwadani 1988: 123).
Thallus: fruticose, branches solid, shrubby, developing from a delimited holdfast. Branches more or less canaliculate on the dorsal surface, 2 - 4 cm long, 0.5 - 2.5 mm wide. Soralia helmet-shaped developing on the ventral surface of branches near the apices. Pseudocyphellae sparse ellipsoid. Chondroid tissue without cracks. Apothecia unknown (Kashiwadani 1988: 123).
Chemistry:
Ecology: Corticolous. In Peru in 2500 m altitude.
Molecular data: Genbank
Distribution: Brazil, Peru, West Indies (Landron 1972) Database
Race I: usnic acid, homosekikaic acid, sekikaic acid, ramalinoric acid (trace), 4'-0-methylnorhomosekikaic acid, 4'-0-methylnorsekikaic acid (trace) (Type specimen) (Kashiwadani 1988: 123).
Race II without homosekikaic acid: usnic acid, sekikaic acid, ramalinoric acid (trace), 4'-0-methylnorhomosekikaic acid, 4'-0-methylnorsekikaic acid (trace) (Peru, one specimen) (Kashiwadani 1988: 123).