Linnaeus, C. (1 May 1753), Species Plantarum 2: 992 [tax. nov.]

• Type: "Habitat in Europae fossis majoribus sub aqua."

Hooker, J.D. (1859), Additions, corrections &c. The botany of the Antarctic voyage of H.M. Discovery ships Erebus and Terror. III. Flora Tasmaniae 2(10): 362 [secondary reference]

Bentham, G. (5 October 1864), Flora Australiensis 2: 491 [secondary reference]

taxonomic synonym: Ceratophyllum submersum L. legitimate

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: 79 [secondary reference]

Tate, R. (1880), A Census of the Indigenous Flowering Plants and Ferns of Extra-Tropical South Australia. Transactions, proceedings and report, Royal Society of South Australia 3: 64 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 50, 142 [secondary reference]

Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 3 [secondary reference]

Dixon, W.A. (1906), The Plants of New South Wales: 131 [secondary reference]

common name: Hornwort [n/a]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 508, Fig. 508 [secondary reference]

common name: Hornwort [n/a]

Black, J.M. (1924), Casuarinaceae - Euphorbiaceae. Flora of South Australia 2: 236 [secondary reference]

common name: Hornwort [n/a]

Black, J.M. (January 1948), Casuarinaceae-Euphorbiaceae. Flora of South Australia Edn. 2, 2: 361 [secondary reference]

common name: Hornwort [n/a]

Specht, R.L. in Specht, R.L. & Mountford, C.P. (ed.) (August 1958), The Gymnospermae and Angiospermae collected on the Arnhem Land Expedition. Records of the American-Australian Scientific Expedition to Arnhem Land No. 3 Botany and Plant Ecology: 229 [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: 135 [secondary reference]

Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 235 [secondary reference]

Aston, H.I. (1973), Aquatic Plants of Australia: 60-62 [secondary reference]

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 308 [secondary reference]

common name: Coontail [n/a] common name: Common Hornwort [n/a] common name: Hornwort [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 100 [secondary reference]

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1984), Ceratophyllaceae. Flora of South-eastern Queensland 1: 181-182, Fig. 25D [secondary reference]

common name: Hornwort [n/a]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 77 [secondary reference]

Wilmot-Dear, M. (1985), Ceratophyllum revised - a study in fruit and leaf variation. Kew Bulletin 40(2): 256-264 [secondary reference]

• Lectotype: "Hort. Cliff. 446 (lectotype BM)"

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 18 [secondary reference]

Jacobs, S.W.L. in Harden, G.J. (ed.) (1990), Ceratophyllaceae. Flora of New South Wales 1: 150 [secondary reference]

common name: Hornwort [n/a]

Wheeler, J.R. in Wheeler, J.R. (ed.) (1992), Ceratophyllaceae. Flora of the Kimberley Region: 71, Fig. 14 [secondary reference]

common name: Hornwort [n/a]

Entwisle, T.J. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Ceratophyllaceae. Flora of Victoria 3: 34-35, Fig. 3d-e [secondary reference]

common name: Hornwort [n/a]

Jacobs, S.W.L. in Harden, G.J. (ed.) (2000), Ceratophyllaceae. Flora of New South Wales Revised Edition 1: 150 [secondary reference]

common name: Hornwort [n/a]

Short, P.S. in Cowie, I.D., Short, P.S. & Osterkamp Madsen, M. (2000), Ceratophyllaceae. Floodplain Flora. A flora of the coastal floodplains of the Northern Territory, Australia: 62, Fig. 12 [secondary reference]

taxonomic synonym: Ceratophyllum muricatum Cham. legitimate common name: Hornwort [n/a]

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - APC [secondary reference]

• APC Dist.: WA, NT, SA, Qld, NSW (native and naturalised), Vic

Stanley, T.D. in Wilson, A.J.G. (ed.) (2007), Ceratophyllaceae. Flora of Australia 2: 287, 289, Plate 49, Fig. 54A-E, Map 319 [secondary reference]

common name: Hornwort [n/a]

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