Paris, J.E.G.N. (1900), Index Bryologicus sive enumeratio muscorum hucusque cognitorum adiunctis synonymia distributioneque geographica locupletissimis. Supplementum primum: Suppl. 132 [comb. nov.]

basionym: Leptotrichum semilunare Müll.Hal. legitimate

Seppelt, R.D. (1980), A study of Ditrichum difficile with special reference to Australian material. Journal of Bryology 11: - [taxonomic synonym]

taxonomic synonym of: Ditrichum difficile (Duby) M.Fleisch. legitimate

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

taxonomic synonym of: Ditrichum difficile (Duby) M.Fleisch. legitimate

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