Mueller, F.J.H. von (1855), Definitions of rare or hitherto undescribed Australian plants: 45-46 [tax. nov.]

• Type: "In moist valleys of Mount Disappointment, of the Dandenong Ranges, and thence to the western part of Gipps' Land."

• Comment: See paper by O.Seberg, Taxon 35: 262-271 (1986), which discusses the date of publication of Mueller's preprint.

Mueller, F.J.H. von in Hooker, W.J. (ed.) (1856), Definitions of rare or hitherto undescribed Australian plants, chiefly collected within the boundaries of the Colony of Victoria. Hooker's Journal of Botany and Kew Garden Miscellany 8: 70 [secondary reference]

Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 342 [secondary reference]

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

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

Sulman, F. (1913), A Popular Guide to the Wild Flowers of New South Wales 1: 142, 196 [secondary reference]

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

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

Hastings, S.M. & Wiecek, B.M. in Harden, G.J. (ed.) (1992), Hydrocotyle. Flora of New South Wales 3: 99-100 [secondary reference]

common name: Forest Pennywort [n/a]

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

common name: Forest Pennywort [n/a]

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

common name: Forest Pennywort [n/a]

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

orthographic variant: Hydrocotyle geranifolia F.Muell. orth. var. taxonomic synonym: Hydrocotyle geraniifolia F.Muell. nom. inval., nom. nud. isonym: Hydrocotyle geraniifolia F.Muell. isonym

• APC Dist.: Qld, NSW, Vic

Bean, A.R. (31 January 2024), Notes on the Queensland species of Hydrocotyle (Araliaceae). Australian Journal of Taxonomy 48: 2 [secondary reference]

• Lectotype: "Victoria. Dandenong Ranges, January 1853, F. Mueller s.n. (lecto: MEL 7903, here chosen; isolecto: E 00807165, K 000686186)."

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