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Seppelt, R.D. (2004), The moss flora of Macquarie Island: 165 [secondary reference]

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

taxonomic synonym: Dryptodon crispulus Hook.f. & Wilson legitimate taxonomic synonym: Grimmia symphyodonta Müll.Hal. legitimate taxonomic synonym: Grimmia emersa Müll.Hal. legitimate taxonomic synonym: Racomitrium symphyodon A.Jaeger legitimate taxonomic synonym: Grimmia chlorocarpa Mitt. legitimate taxonomic synonym: Grimmia sullivanii Müll.Hal. legitimate

• APC Dist.: WA, NSW, ACT, Vic, Tas, HI, MI

• distribution: W.A., N.S.W., A.C.T., Vic., Tas., Macquarie I., Heard I.
• remarks: Frisvoll (1988) considered R. emersum a synonym of R. subsecundum (Hook. & Grev.) Mitt.

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