Basionym Name:Phlyctis sordida C. Knight, Trans. Linn. Soc. London, Bot., Ser. 2 1(5): 281 (1878)
Homotypic synonyms:Phlyctella sordida (C. Knight) Müll. Arg., Bull. Herb. Boissier 2(app. 1): 56 (1894)