Basionym Name:Parmelia teretiuscula Wallr., Fl. crypt. Germ. (Norimbergae) 1: 551 (1831)
Homotypic synonyms:Psorotichia teretiuscula (Wallr.) A. Massal., Sched. Crit. Lich. Exsicc. (Veronae) 10: 178 (1856)Scytinium teretiusculum (Wallr.) Otálora, P.M. Jørg. & Wedin, in Urbanavichene & Urbanavichus, Nov. sist. Niz. Rast. 48: 322 (2013)Scytinium teretiusculum (Wallr.) Otálora, P.M. Jørg. & Wedin, Fungal Diversity 64(1): 291 (2013)