Current Name:Rhizocarpon reductum Th. Fr., Lich. Scand. (Upsaliae)(2): 633 (1874)
Synonymy:Rhizocarpon obscuratum var. reductum (Th. Fr.) Eitner, Jber. schles. Ges. vaterl. Kultur 88(2b Abth.): 45 (1911)Rhizocarpon obscuratum f. reductum (Th. Fr.) Schade, Sber. Abhandl. Naturwiss. Ges. Isis: 158 (1935)
Position in classification:Rhizocarpaceae, Rhizocarpales, Lecanoromycetidae, Lecanoromycetes, Ascomycota, Fungi
Synonymy Contributor(s): British Lichen Society (2004)