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

• Type: "N.S. Wales. Richmond river, Beckler."

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

Bailey, F.M. (1884), Contributions to the Queensland Flora, Part II. Proceedings of the Royal Society of Queensland 1(2): 87 [secondary reference]

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]

Domin, K. (September 1928), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 1042-1043 [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. 35F [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]

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]

Williams, K.A.W. (1999), Native Plants of Queensland 4: 234 [secondary reference]

common name: Moneywort [n/a]

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

common name: Pennywort [n/a]

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

nomenclatural synonym: Hydrocotyle hirta var. pedicellosa F.Muell. nom. inval., nom. nud. taxonomic synonym: Hydrocotyle pedicellosa F.Muell. nom. inval., nom. nud.

• APC Dist.: Qld, NSW

Bean, A.R. (31 January 2024), Notes on the Queensland species of Hydrocotyle (Araliaceae). Australian Journal of Taxonomy 48: 4 [secondary reference]

• Lectotype: "New South Wales. Richmond River, undated, H. Beckler s.n. (lecto: MEL 8099 (here chosen); isolecto: K 000686173; MEL 8101)."

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