Brotherus, V.F. in Engler, H.G.A. & Prantl, K.A.E. (ed.) (1925), Musci (Laubmoose) 2. Hälfte. Die Natürlichen Pflanzenfamilien Edn. 2, 11: 335 [comb. nov.]

basionym: Amblystegium subrelaxum Broth. legitimate

Ochyra, R. & Streimann, H. (2001), Studies on austral Amblystegiaceae. Nova Hedwigia 73: 455 [taxonomic synonym]

taxonomic synonym of: Cratoneuropsis relaxa (Hook.f. & Wilson) M.Fleisch. ex Broth. legitimate

Klazenga, N. (2015), AusMoss: Catalogue of Australian mosses, v. 2015-11-16: - [taxonomic synonym]

taxonomic synonym of: Cratoneuropsis relaxa (Hook.f. & Wilson) M.Fleisch. ex Broth. legitimate

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