in Aptroot, Flora of the Guianas, Series E: Fungi and Lichens. Fascicle 1. Pyxinaceae (Koenigstein): 34 (1987).
Basionym: Physcia adglutinata var. pyrithrocardia Müll. Arg., Flora, Regensburg 63(18): 278 (1880).
Chemistry: All spot tests negative, except pigmented part of the medulla K+ purple; skyrin (Esslinger 2012: 39 one specimen tested).
Distribution Database: Distributions
Distribution Database: Discover Life
Picture Database: Tropical Lichens
Molecular Database: Genbank
Synonym Database: Index Fungorum
Synonym Database: Mycobank