Lütkemüller, J. (1905), Zur Kenntnis der Gattung Penium Bréb. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesesellschaft Wien 55: 337 [comb. nov.]

basionym: Penium navicula Bréb. legitimate

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

Whitton, B.A., John, D.M., Johnson, L.R., Boulton, P.N.G., Kelly, M.R. & Haworth, E.Y. (1999), A Coded List of Freshwater Algae of the British Isles: - [secondary reference]

Dingley, M.O. (2001), Desmids of New South Wales: New species and new records. Telopea 9(3): - [secondary reference]

Dingley, M.O. (2002), Desmids (Chlorophyta) recorded from wet rocks in Australia. Algological Studies 105: - [secondary reference]

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

nomenclatural synonym: Penium navicula Bréb. legitimate taxonomic synonym: Penium fusiforme F.Gay legitimate taxonomic synonym: Penium navicula f. willei Schmidle legitimate taxonomic synonym: Closterium navicula var. granulatum (West & G.S.West) Willi Krieg. legitimate

• APC Comment: T.J.Entwisle and L.Nairn (2011) use this taxon concept.
• Distribution: New South Wales, Queensland, Victoria, Northern Territory

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