Ann. Mo. bot. Gdn 40: 290 (1953).
Basionym: Trypethelium duplex Fée, Annls Sci. Nat., sér. 1 23: 437 (1831).
Distribution Database: Discover Life
Picture Database: Tropical Lichens
Molecular Database: Genbank
Synonym Database: Index Fungorum
Synonym Database: Mycobank