Current Name:Placynthium posterulum (Nyl.) Henssen, Herzogia 20: 44 (2007)
Synonymy:Pterygium posterulum Nyl., Flora, Regensburg 58(1): 7 (1875)
Position in classification:Placynthiaceae, Peltigerales, Lecanoromycetidae, Lecanoromycetes, Ascomycota, Fungi
Synonymy Contributor(s): Kew Mycology (2017)