Playfair, G. (1915), Freshwater algae of the Lismore district; with an appendix on the algal fungi and Schizomycetes. Proceedings of the Linnean Society of New South Wales 40(2): 323, pl xli, f 11b [tax. nov.]

• Reference Note: Under the ICN this is a latter homonym of Under the ICN this name is a later homonym of C. rectangulare [var. nodulatum] f. minus.

Day, S.A., Wickham, R.P., Entwisle, T.J. & Tyler, P.A. (1995), Bibliographic checklist of non-marine algae in Australia: - [secondary reference]

Entwisle, T.J. & Nairn, L. (2011), Census of Freshwater Algae in Australia. Edn. Version 1.0: - [secondary reference]

• Comment: Vulnerable (ANZECC)
• Comment: T.J.Entwisle and L.Nairn (2011) use this taxon concept.
• Distribution: New South Wales, Endemic to Australia

Algal Subcommittee (2021), CHAH Algal Subcommittee: - AAL [secondary reference]

• Distribution: New South Wales

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