Perkins, A.J. (13 July 2018), Hydrocotyle asterocarpa, H. decorata and H. perforata (Araliaceae), three new Western Australian species with spicate inflorescences. Nuytsia 29: 210-212, Figs 2 (map), 4 [tax. nov.]

• Type: "Lake King, Western Australia [precise locality withheld for conservation reasons], 22 October 2017, A.J. Perkins AJP-WA 144 (holo: PERTH 08935033; iso: AD, CANB, MEL, NSW)."

taxonomic synonym: Hydrocotyle sp. Hexaptera (T.Erickson TEE 173) WA Herbarium [n/a] taxonomic synonym: Hydrocotyle hexaptera H.Eichler manuscript name common name: Decorative Pennywort [n/a]

• Etymology: "The epithet is derived from the Latin decoratus, ‘decorative’, in reference to the elaborate ornamentation of the fruit in this species ..."

Percy-Bower, J.M. & Parker, C.M. (28 March 2019), Updates to Western Australia’s vascular plant census for 2018. Nuytsia 30: 11 [secondary reference]

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

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - APC [secondary reference]

taxonomic synonym: Hydrocotyle sp. 7 (Lake Cowan) [n/a] taxonomic synonym: Hydrocotyle sp. 7 (Lake Cowan; Hj.Eichler 22967) [n/a] taxonomic synonym: Hydrocotyle sp. Hexaptera (T.Erickson TEE 173) WA Herbarium [n/a] taxonomic synonym: Hydrocotyle hexaptera H.Eichler manuscript name

• APC Dist.: WA

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