Brotherus, V.F. & Watts, W.W. (1916), Descriptions of some new species of Australian, Tasmanian, and New Zealand mosses. VI. Proceedings of the Linnean Society of New South Wales 41: 588 [tax. nov.]

Spence, J.R. & Ramsay, H.P. in McCarthy, P.M. (ed.) (2006), Bryaceae. Flora of Australia 51: 326 [taxonomic synonym]

taxonomic synonym of: Ptychostomum angustifolium (Brid.) J.R.Spence & H.P.Ramsay legitimate

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

taxonomic synonym of: Ptychostomum angustifolium (Brid.) J.R.Spence & H.P.Ramsay legitimate

Klazenga, N. (2019), AusMoss: Catalogue of Australian mosses, v. 2019-08-26: - [taxonomic synonym]

taxonomic synonym of: Gemmabryum caespiticium (Hedw.) J.R.Spence legitimate

Klazenga, N. (2023), Census of Australian bryophytes v. 2023-12-15: - [taxonomic synonym]

taxonomic synonym of: Ptychostomum imbricatulum (Müll.Hal.) Holyoak & N.Pedersen legitimate

---