Hydatella leptogyne Diels, 1904:93

Few-flowered hydatella



Taxonomy & Nomenclature

Now considered a synonym of Trithuria australis (Sokoloff et al. 2008).


Conservation Status

Last record: 28 November 1901

Rediscovered in 1998 (later considered invalid)



Drummond Nature Reserve, Western Australia, Australia


Biology & Ecology










Original scientific description:

Diels, F. L. E. and Pritzel, E. (1904-1905). Fragmenta Phytographiae Australiae Occidentalis. Beitrage zur Kenntnis der Pflanzen Westaustraliens, ihrer Verbreitung und ihrer Lebensverhaltnisse. Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzengeographie 35: 93.


Other references:

Blackall, W. E. and Grieve, B. J. (1974). How to know Western Australian wildflowers. Part I (2nd edn). University of Western Australia Press, Perth.

Brown, A., C. Thomson-Dans & N. Marchant, eds. (1998). Western Australia's Threatened Flora. Como, Western Australia: Department of Conservation and Land Management.

CALM (2005) Records held in CALM’s Declared Flora Database and rare flora files. WA Department of Conservation and Land Management.

Cooke, D. A. (1987). Hydatellaceae. In: George, A. S. (ed.). Flora of Australia, Vol. 45. Canberra: Australian Government Publishment Service. [pp. 1-5]

Department of the Environment (2016). Hydatella leptogyne in Species Profile and Threats Database, Department of the Environment, Canberra. Available from: Accessed Tue, 13 Sep 2016 22:50:47 +1000.

Humphreys, Aelys M. et al. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047. [Abstract] [Supplementary Dataset 1]

Hnatiuk, R.J. (1990). Census of Australian vascular plants. Australian Flora and Fauna Series 11: 1-650.

Hopper, S.D., S. van Leeuwen, A.P. Brown & S.J. Patrick (1990). Western Australia's Endangered Flora and other plants under consideration for declaration. Perth, Western Australia: Department of Consrvation and Land Management.

Leigh, J., Boden R. & Briggs, J. (1984). Extinct and endangered plants of Australia. Macmillan Company of Australia Pty. Ltd., Melbourne.

Marchant, N. G. and Keighery, G. J. (1979). Poorly collected and presumably rare vascular plants of Western Australia. Kings Park Research Notes No. 5. West Perth: Kings Park and Botanic Garden. 103 pp.

O'Donoghue, Mike and Atkins, Ken. (2000). Lost Jewels in the Bush. Landscope 15(3): 23-27.

Patrick, Susan J. (2001). Declared Rare and Poorly Known Flora in the Geraldton District. Western Australian wildlife management program No. 26. Bantley DC: Department of Conservation and Land Management. 89 pp.

POWO. 2018. Plants of the World online. Facilitated by the Royal Botanic Gardens, Kew.

Sokoloff DD, Remizowa MV, Macfarlane TD, Rudall PJ. (2008). Classification of the early-divergent angiosperm family Hydatellaceae: one genus instead of two, four new species and sexual dimorphism in dioecious taxa. Taxon. 57: 179-200. [Abstract]

Walter, Kerry S. and Gillett, Harriet J. (eds.). (1998). 1997 IUCN Red List of Threatened Plants. Compiled by the World Conservation Monitoring Centre. Gland, Switzerland & Cambridge, UK: IUCN – The World Conservation Union. lxiv + 862 pp.

Western Australian Department of Conservation and Land Management (WA CALM) (2005). Records held in CALM's Declared Flora Database and Rare flora files. Perth, Western Australia: WA CALM.


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