Trithuria australis (Diels) D.D.Sokoloff, Remizowa, T.D.Macfarl. & Rudall (2008:193)



Taxonomy & Nomenclature

Synonyms: Hydatella australis Diels in Bot. Jahrb. Syst. 35: 93 (1904); Hydatella leptogyne Diels in Bot. Jahrb. Syst. 35: 93 (1904)


Conservation Status

Last (and only) record: 1901 (Silcock et al., 2019:SM:15)

Rediscovered in 1980 (Silcock et al., 2019:SM:15)



Western Australia, Australia


Biology & Ecology










Govaerts, R. H. A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

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

Humphreys, Aelys M., Govaerts, Rafaël, Ficinski, Sarah Z., Lughadha, Eimear Nic and Vorontsova, Maria S. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047. [Supplementary Dataset 1]

Silcock, Jen L., Field, Ashley R., Walsh, Neville G. and Fensham, Roderick J. (2019). To name those lost: assessing extinction likelihood in the Australian vascular flora. Oryx 54(2): 167-177. [Supplementary Material

Sokoloff, D., Remizowa, M., Macfarlane, T. and Rudall, P. (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.


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