Perkins, A.J. (13 July 2018), Hydrocotyle asterocarpa, H. decorata and H. perforata (Araliaceae), three new Western Australian species with spicate inflorescences. Nuytsia 29: 212-215, Figs 2 (map), 5 [tax. nov.]

• Type: "south of Balladonia Motel, Eyre Highway, Western Australia [precise locality withheld for conservation reasons], 16 September 1980, K.R. Newbey 7477 (holo: PERTH 03539873; iso: CANB 352120)."

taxonomic synonym: Hydrocotyle sp. Coraginaensis (K.R.Newbey 7477) WA Herbarium [n/a] taxonomic synonym: Hydrocotyle coraginaensis H.Eichler manuscript name common name: Pitted Pennywort [n/a]

• Etymology: "The epithet is derived from the Latin perforatus, ‘perforated’, in reference to the perforated or pitted 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. Coraginaensis (K.R.Newbey 7477) WA Herbarium [n/a]

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

taxonomic synonym: Hydrocotyle sp. Coraginaensis (K.R.Newbey 7477) WA Herbarium [n/a] taxonomic synonym: Hydrocotyle coraginaensis H.Eichler manuscript name pro parte misapplication: Hydrocotyle capillaris F.Muell. ex Klatt legitimate by Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 62 misapplication: Hydrocotyle capillaris F.Muell. ex Klatt legitimate by Gardner, C.A. (May 1931), Part III. Geraniaceae–Compositae. Enumeratio Plantarum Australiae Occidentalis: 100 misapplication: Hydrocotyle capillaris F.Muell. ex Klatt legitimate by Blackall, W.E. & Grieve, B.J. (1965), How to know Western Australian wildflowers: a key to the flora of the temperate regions of Western Australia 3: 482 misapplication: Hydrocotyle capillaris F.Muell. ex Klatt legitimate by Blackall, W.E. & Grieve, B.J. (1980), How to know Western Australian wildflowers: a key to the flora of the extratropical regions of Western Australia Edn. 2, 3A: 271 misapplication: Hydrocotyle capillaris F.Muell. ex Klatt legitimate by Green, J.W. (1981), Census of the Vascular Plants of Western Australia: 82 misapplication: Hydrocotyle capillaris F.Muell. ex Klatt legitimate by Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 135

• APC Dist.: WA

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