Current Name:Placynthium majus Harm., Lich. Fr. 1: 20 (1913)
Synonymy:Placynthium nigrum f. majus (Harm.) Gyeln., Annls hist.-nat. Mus. natn. hung. 31: 11 (1938)
Position in classification:Placynthiaceae, Peltigerales, Lecanoromycetidae, Lecanoromycetes, Ascomycota, Fungi
Synonymy Contributor(s): British Lichen Society (2008)