Bunge, A.A. von in Lehmann, J.G.C. (ed.) (1845), Umbelliferae. Plantae Preissianae 1(2): 283 [tax. nov.]

• Type: "Ad portum Princess Royal Harbour, Nov. 1840. Herb. Preiss. No. 2074."

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

misapplication: Hydrocotyle tripartita R.Br. ex A.Rich. legitimate by Hooker, W.J. in Hooker, W.J. (ed.) (1841), Icones Plantarum 4: t. 312 misapplication: Hydrocotyle tripartita R.Br. ex A.Rich. 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: 63 [secondary reference]

Diels, F.L.E. & Pritzel, E.G. (6 December 1904), Fragmenta Phytographiae Australiae occidentalis. Beitrage zur Kenntnis der Pflanzen Westaustraliens, ihrer Verbreitung und ihrer Lebensverhaltnisse. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 35(2-3): 450 [secondary reference]

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

Black, J.M. (December 1926), Meliaceae - Scrophulariaceae. Flora of South Australia 3: 437, Fig. 176 D [secondary reference]

Black, J.M. (1952), Flora of South Australia Edn. 2, 3: 652, Figs 885, D, 893 [secondary reference]

Curtis, W.M. (1963), Angiospermae: Lythraceae to Epacridaceae. The Student's Flora of Tasmania 2: 246 [secondary reference]

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 542 [secondary reference]

common name: Tiny Pennywort [n/a]

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

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 135 [secondary reference]

Wheeler, J.R. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Apiaceae. Flora of the Perth Region 1: 509 [secondary reference]

common name: Small Pennywort [n/a]

Hastings, S.M. & Wiecek, B.M. in Harden, G.J. (ed.) (1992), Hydrocotyle. Flora of New South Wales 3: 101 [secondary reference]

common name: Tiny Pennywort [n/a]

Duretto, M.F. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Apiaceae. Flora of Victoria 4: 279-280, Fig. 54b APC [secondary reference]

• APC Dist.: WA, SA, NSW, Vic, Tas

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 483 [secondary reference]

common name: Small Pennywort [n/a]

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

common name: Tiny Pennywort [n/a]

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

common name: Tiny Pennywort [n/a]

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

common name: Small Pennywort [n/a]

Barrett, Russell & Tay, Eng Pin (2016), Perth Plants: a Field Guide to the Bushland and Coastal Flora of Kings Park and Bold Park Edn. 2: 42 [secondary reference]

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]

---