Richard, A. (1820), Monographie du Genre Hydrocotyle. Annales Generales des Sciences Physiques 4: 209 [tax. nov.]

• Type: "Cette espèce est originaire de la Nouvelle-Hollande, et m'as été communiquée par M. Rob. Brown (V.S.)"

Hooker, W.J. in Hooker, W.J. (ed.) (1841), Icones Plantarum 4: t. 312 [secondary reference]

Mueller, F.J.H. von (20 October 1853), First general report of the Government Botanist on the vegetation of the colony. Victoria - Parliamentary Papers- Votes and Proceedings of the Legislative Assembly: 13 [secondary reference]

Hooker, J.D. (13 May 1856), The botany of the Antarctic voyage of H.M. Discovery ships Erebus and Terror. III. Flora Tasmaniae 1(2): 153 [secondary reference]

Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 341 [secondary reference]

Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 343 [misapplied]

misapplied to: Hydrocotyle callicarpa Bunge legitimate by Hooker, W.J. in Hooker, W.J. (ed.) (1841), Icones Plantarum 4: t. 312

[misapplied]

misapplied to: Hydrocotyle callicarpa Bunge legitimate by Hooker, J.D. (13 May 1856), The botany of the Antarctic voyage of H.M. Discovery ships Erebus and Terror. III. Flora Tasmaniae 1(2): 153

Mueller, F.J.H. von (1875), Census of the plants of Tasmania, instituted in 1875. Monthly Notices of Papers and Proceedings of the Royal Society of Tasmania 1874: 81 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 62 [secondary reference]

Rodway, L. (1903), The Tasmanian Flora: 62 [secondary reference]

taxonomic synonym: Hydrocotyle muscosa R.Br. ex A.Rich. legitimate

Dixon, W.A. (1906), The Plants of New South Wales: 153 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 228 [secondary reference]

Sulman, F. (1913), A Popular Guide to the Wild Flowers of New South Wales 1: 142, 199, 204 [secondary reference]

Black, J.M. (December 1926), Meliaceae - Scrophulariaceae. Flora of South Australia 3: 436 [secondary reference]

Domin, K. (September 1928), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 1043 [secondary reference]

Black, J.M. (1952), Flora of South Australia Edn. 2, 3: 652, Fig. 891 [secondary reference]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 330 [secondary reference]

Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 248 [secondary reference]

Burbidge, N.T. & Gray, M. (1970), Flora of the Australian Capital Territory: 282 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 66 [secondary reference]

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1986), Apiaceae. Flora of South-eastern Queensland 2: 244, Fig. 35B [secondary reference]

common name: Pennywort [n/a]

Hastings, S.M. & Wiecek, B.M. in Harden, G.J. (ed.) (1992), Hydrocotyle. Flora of New South Wales 3: 100 [secondary reference]

common name: Pennywort [n/a]

Hyland, B.P.M., Gray, B. & Elick, R.W. in Cooper, W.E. & Cooper, W.T. (1994), Appendix I: Provisional Species List. Fruits of the Rainforest: 300 [secondary reference]

Duretto, M.F. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Apiaceae. Flora of Victoria 4: 278-279, Fig. 53j [secondary reference]

Cooper, W.E. & Cooper, W.T. (2004), Fruits of the Australian Tropical Rainforest: 30 [unsourced misapplied]

misapplied to: Hydrocotyle digitata A.R.Bean & Henwood legitimate

State Herbarium of South Australia (2008), Fact sheets. The Electronic Flora of South Australia: - [secondary reference]

National Herbarium of New South Wales (2009), PlantNET Flora of New South Wales Online: - [secondary reference]

taxonomic synonym: Hydrocotyle sp. aff. tripartita [n/a] common name: Pennywort [n/a]

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

nomenclatural synonym: Hydrocotyle tripartita R.Br. ex A.Rich. var. tripartita legitimate nomenclatural synonym: Hydrocotyle tripartita var. typica Domin nom. inval. taxonomic synonym: Hydrocotyle sp. aff. tripartita [n/a] taxonomic synonym: Hydrocotyle sp. A (aff. tripartita) [n/a]

• APC Dist.: SA, Qld, NSW, ACT, Vic, Tas

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 8 [secondary reference]

Council of Heads of Australasian Herbaria (2019), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Hydrocotyle tripartita R.Br. ex A.Rich. var. tripartita legitimate nomenclatural synonym: Hydrocotyle tripartita var. typica Domin nom. inval.

• APC Dist.: SA, Qld, NSW, ACT, Vic, Tas

Bean, A.R. (31 January 2024), Notes on the Queensland species of Hydrocotyle (Araliaceae). Australian Journal of Taxonomy 48: 3 [secondary reference]

• Lectotype: "New South Wales. Cow pastures, [18--23 October 1803], R. Brown s.n. [Bennett number 4506] (lecto: P 00115431 (here chosen); isolecto: BM 000795173, E 00000011, E 00000012, K 000686174, K 000686175)."

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