The Recently Extinct Plants and Animals Database

Haloragodendron lucasii (Maiden & Betche) Orch.



Taxonomy & Nomenclature



Conservation Status

Last record: 1926

Rediscovered in 1986



New South Wales, Australia


Biology & Ecology










Original scientific description:

Orchard, A. (1975). Taxonomic Review in the Family - Haloragaceae 1. The genera Haloragis, Haloragodendron, Glischrocaryon, Maziella and Gonocarpus. Bulletin of the Auckland Institute & Museum 10: 1-299. [p. 146, figs 4, 172-174]


Other references:

Briggs, J.D. & Leigh, J.H. (1996). Rare or Threatened Australian Plants: 1995 Revised Edition. CSIRO: Australia.

Doig, R. (1996). The Romance of Haloragodendron lucasii. Danthonia 5(1): 8-9.

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. [Abstract] [Supplementary Dataset 1]

Nash, S. and Matthes, M. (1994). Haloragodendron lucasii - Conservation Research Statement and Species Recovery Plan. NSW National Parks and Wildlife Service and Australian Nature Conservation Agency. Endangered Species Program Project No. 302.

Orchard, A. E. (1990) Rediscovery of Haloragodendrum lucasii (Haloragaceae) - short communitcation. Telopea 3(4): 593-596.

A.E.Orchard (2017) Haloragodendron lucasii. In: Flora of Australia. Australian Biological Resources Study, Department of the Environment and Energy, Canberra. [Date Accessed: 14 January 2020]

Richardson, Mark. (1988). 'Extinct' plants rediscovered. Australian Natural History 22(11): 522-523.

Sydes MA, Peakall R (1998) Extensive clonality in the endangered shrub Haloragodendron lucasii (Haloragacae) revealed by allozymes and RAPDS. Molecular Ecology 7: 87-93.

Sydes, M. A. et al. (1996). Rediscovery Program for the Endangered Plant Haloragodendrum lucasii, pp.104-107. In: Stephens, S. and Maxwell, S. (eds.). Back from the Brink: Refining the Threatened Species Recovery Process. Conf. Procs. Surrey Beatty and Sons Pty Ltd and Australian Nature Conservation Agency.

WCSP (2003). World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet;

Williams, Mark et al. (year?). The story of Hal: the Haloragodendron lucasii rediscovery effort, pp. 60-67. In: On the Brink: Your Bush, Their Habitat, Our Act. NSW: Nature Conservation Council of NSW Inc.


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