Bryologist 67: 371 (1964).

Basionym: Physcia aspera H. Magn., in Magnusson & Zahlbruckner, Ark. Bot. 32A(no. 2): 43 (1945).

Type locality: USA, Hawaii Islands, Hawaii, (S - holotype).

Picture Database: Tropical Lichens

Molecular Database: Genbank

Synonym Database: Index Fungorum

Synonym Database: Mycobank