Current Name:Rhizocarpon expallescens Th. Fr., Lich. Scand. (Upsaliae)(2): 620 (1874)
Synonymy:Catocarpus expallescens (Th. Fr.) Hellb., K. svenska Vetensk-Akad. Handl., ny följd 20(no. 8): 107 (1884)
Position in classification:Rhizocarpaceae, Rhizocarpales, Lecanoromycetidae, Lecanoromycetes, Ascomycota, Fungi
Synonymy Contributor(s): British Lichen Society (2004)