Western Australian Herbarium (2011), FloraBase: the Western Australian Flora Version 2.6: - [primary reference]

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Hydrocotyle sp. Hexaptera (T.Erickson TEE 173) WA Herbarium [n/a]

Biggs, L.J. & Parker, C.M. (21 November 2013), Updates to Western Australia's vascular plant census for 2012. Nuytsia 23: 513 [taxonomic synonym]

taxonomic synonym of: Hydrocotyle sp. Hexaptera (T.Erickson TEE 173) WA Herbarium [n/a]

Perkins, A.J. (13 July 2018), Hydrocotyle asterocarpa, H. decorata and H. perforata (Araliaceae), three new Western Australian species with spicate inflorescences. Nuytsia 29: 210 [taxonomic synonym]

taxonomic synonym of: Hydrocotyle decorata A.J.Perkins legitimate

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Hydrocotyle decorata A.J.Perkins legitimate

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