Current Name:Porpidia contraponenda (Arnold) Knoph & Hertel, in Hertel & Knoph, Mitt. bot. StSamml., Münch. 20: 477 (1984)
Synonymy:Lecidea contraponenda Arnold, Verh. Kaiserl.-Königl. zool.-bot. Ges. Wien 36: 79 (1886)
Position in classification:Lecideaceae, Lecideales, Lecanoromycetidae, Lecanoromycetes, Ascomycota, Fungi
Synonymy Contributor(s): British Lichen Society (2004)