Brachytheciaceae G.Roth
Hypnum collatum var. laxifolium Wilson , legitimate, scientific
Wilson, W. in Hooker, J.D. (1859), Nat. Ord. V. Musci, Juss. The botany of the Antarctic voyage of H.M. Discovery ships Erebus and Terror. III. Flora Tasmaniae 2: 210 [comb. nov.]
Klazenga, N. (2015), AusMoss: Catalogue of Australian mosses, v. 2015-11-16: - [taxonomic synonym]
taxonomic synonym of: Rhynchostegium tenuifolium (Hedw.) Reichardt legitimate