Linnaeus, C. (1753), Species Plantarum 2: 1139 [tax. nov.]

• Type: "Habitat in Europae fossis, piscinis, ad ripas supra aquam extensa."

McCarthy, P.M. (2003), Catalogue of Australian Liverworts and Hornworts. Flora of Australia Supplementary Series 21: 94 [pro parte taxonomic synonym]

pro parte taxonomic synonym of: Riccia duplex Lorb. ex Mull.Frib. var. duplex legitimate

Iamonico, D. & Iberite, M. (2014), Lectotypification of the Linnaean names Riccia fluitans and R. nutans (Ricciaceae). Taxon 63(2): 395 [secondary reference]

• Lectotype: (designated here): Herb. Linn. No. 1271.3 (LINN). [Image of lectotype available at http://linnean-online.org/13286/]

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