Barbula muelleri Bruch & Schimp., 1842 | Syntrichia densa (Velen.) J.-P.Frahm, 2001 | Syntrichia glabra J.-P.Frahm & M.T.Gallego, 2001 | Tortula calcicola Grebe, 1909 | Tortula calcicolens W.A.Kramer, 1980 | Tortula densa (Velen.) J.-P.Frahm, 1994 | Tortula princeps subsp. parnassica (Schiffn.) W.A.Kramer, 1980 | Tortula princeps var. parnassica (Schiffn.) Wijk & Margad., 1961 | Tortula princeps De Not. var. princeps | Tortula ruralis var. calcicola (J.J.Amann) Barkman, 1958 | Tortula ruralis var. densa Velen., 1897