Basionym Name:Verrucaria duplicans Nyl., Acta Soc. Sci. fenn. 7(2): 489 (1863)
Homotypic synonyms:Anthracothecium duplicans (Nyl.) Müll. Arg., Linnaea 43(9): 44 (1880)Pyrenula duplicans (Nyl.) Aptroot, in Aptroot, Lücking, Sipman, Umaña & Chaves, Biblthca Lichenol. 97: 102 (2008)