Basionym Name:Biatora flexuosa Fr., Nov. Sched. Critic. Lich. (Lundae): 11 (1826)
Homotypic synonyms:Biatora decolorans subvar. flexuosa (Fr.) Amo, Fl. Crypt. Peníns. Ibér.: 331 (1870)Biatora decolorans var. flexuosa (Fr.) Fr., Lich. eur. reform. (Lund): 267 (1831)Biatora granulosa var. flexuosa (Fr.) Flot., Flechten Hirschberg-Warmbrunn: 14 (1839)Lecidea wallrothii subsp. flexuosa (Fr.) Lamy, Bull. Soc. bot. Fr. 25(5): 434 (1880)Trapelia flexuosa (Fr.) Neuwirth & Türk, Beitr. Naturk. Oberösterreichs 1: 142 (1993)Trapeliopsis flexuosa (Fr.) Coppins & P. James, Lichenologist 16(3): 258 (1984)