Basionym Name:Parmelia laongii Lynge, [as 'långii'] Ark. Bot. 13(no. 13): 68 (1914)
Homotypic synonyms:Parmotrema laongii (Lynge) Marcelli & Jungbluth, in Marcelli, Jungbluth, Benatti, Spielmann, Canêz, Cunha & Martins, Biblthca Lichenol. 96: 218 (2007)