Contr. U.S. National Herb. 34: 505 (1968).
Basionym: Platysma collatum Nyl., Flora, Regensburg 70, 9: 134 (1887).
Distribution Database: Distributions
Distribution Database: Discover Life
Picture Database: Tropical Lichens
Molecular Database: Genbank
Synonym Database: Index Fungorum
Synonym Database: Mycobank