Acanthocladium dockeri F.Muell. (1861:156)
Spiny everlasting, Spiny daisy
Taxonomy & Nomenclature
Synonym/s: Helichrysum dockeri (F.Muell.) Benth. in Fl. Austral. 3: 626 (1867)
Conservation Status
Last record: 1860 (Silcock et al., 2019:SM:11); 1910
Rediscovered in 1999 (Jusaitis & Bond, 1999)
Distribution
New South Wales & South Australia, Australia
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Mueller, Ferdinand J. H von (1861). Fragmenta Phytographiae Australiae 2 (15). Page(s) 156. Government Printer, Melbourne.
Other references:
Bowen, P. F. and Pressey, R. L. (1993). Localities and habitats of plants with restricted distributions in the Western Division of New South Wales. NSW National Parks and Wildlife Service Occasional Paper No. 17.
Brooks, Elodie et al. (2022). A range-wide analysis of population structure and genomic variation within the critically endangered spiny daisy (Acanthocladium dockeri). Conservation Genetics. https://doi.org/10.1007/s10592-022-01468-0
Burbidge, N.T. (1958). A monographic study of Helichrysum subgenus Ozothamnus (Compositae) and of two related genera formerly included therein. Australian Journal of Botany. 6:229-284.
Clarke, A., Robertson, M.A. and Pieck, A. (2008). Draft Recovery Plan for Acanthocladium dockeri (Spiny Daisy) 2007-2011. Department for Environment and Heritage, Clare, South Australia. [automatic download]
Department for Environment & Heritage. (2005a). On-going Site Actions Plans for the Thornlea, Yangya, rusty Cab and Hart populations of Acanthocladium dockeri (Spiny Daisy). Department for Environment and Heritage, Clare, South Australia.
Department for Environment & Heritage. (2005b). Acanthocladium dockeri Monitoring Plan, Department for Environment and Heritage, Clare, South Australia.
Department for Environment & Heritage. (2006). Translocation Proposal for Acanthocladium dockeri 2006-2007, Translocation 3: Caltowie-Stone Hut Road Reserve (All Four Genotypes). Department for Environment and Heritage, Clare, South Australia.
Department of Sustainability, Environment, Water, Population and Communities. (2013). Acanthocladium dockeri in Species Profile and Threats Database, Department of Sustainability, Environment, Water, Population and Communities, Canberra. Available from: http://www.environment.gov.au/sprat. Accessed Sun, 18 Aug 2013 15:43:57 +1000.
Garnett, Stephen T., Latch, Peter, Lindenmayer, David B. and Woinarski, John C. Z. (eds.). (2018). Recovering Australian Threatened Species: A Book of Hope. CSIRO Publishing. 360 pp.
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. https://doi.org/10.1038/s41559-019-0906-2 [Supplementary Dataset 1]
Jessop, J. P. and Toelken, H. R. (1986). Flora of South Australia (4th Edition) Government Printer, Adelaide.
Jusaitis, Manfred. (2007a). New population of the endangered Spiny Daisy discovered at Telowie, S. A. SA Veg on the Edge 7(1): 2-3.
Jusaitis, M. (2007b). Response of the endangered grassland plant Acanthocladium dockeri to fire. Australasian Plant Conservation 15(3): 20-21.
Jusaitis, Manfred. (2008). Flowering and seed production in the endangered Spiny Daisy, Acanthocladium dockeri. Australasian Plant Conservation 17(1): 14-15.
Jusaitis, Manfred and A. Bond. (1999). Extinct daisy rediscovered in South Australia. Danthonia 8: 12-13.
Jusaitis, Manfred and Adams, Mark. (2002). Quantifying the Genetic Status of Acanthocladium dockeri F.Muell (Spiny Daisy), Department for Environment and Heritage, South Australia.
Jusaitis, Manfred and Adams, Mark. (2005a). Managing low genetic diversity in Acanthocladium dockeri. Australasian Plant Conservation 13(4): 26-27.
Jusaitis, Manfred and Adams, Mark. (2005b). Conservation implications of clonality and limited sexual reproduction in the endangered shrub Acanthocladium dockeri (Asteraceae). Australian Journal of Botany 53(6): 535-544. [Abstract]
Keith, David A., Chalson, Jane M. and Auld, Tony D. (1997). Assessing the status of threatened plants: A new methodology and an application to the vascular flora of New South Wales. Project No. 450, Endangered Species Program. Canberra: Biodiversity Group, Environment Australia. [p. 64]
Leigh J., Boden R. and Briggs J. (1994). Extinct and Endangered Plants of Australia. Melbourne: MacMillan.
Pieck, A. (2007). Saving threatened flora in the Northern and Yorke Region. SA Veg on the Edge 1(1): 3-4.
Robertson, M. A. (2002a). Draft Recovery Plan for Acanthocladium dockeri (Spiny Daisy). Department for Environment and Heritage, Northern Areas Council.
Robertson, M. A. (2002b). Spiny Daisy Acanthocladium dockeri Recovery. Site Action Plan 2002: Site 1; Thornlea. Department for Environment and Heritage, Northern Areas Council.
Robertson, M. A. (2002c). Spiny Daisy Acanthocladium dockeri Recovery. Site Action Plan 2002: Site 2; Yangya Road. Department for Environment and Heritage, Northern Areas Council.
Robertson, M. A. (2002d). Spiny Daisy Acanthocladium dockeri Recovery. Site Action Plan 2002: Site 3; ‘Rust Cab’ Road. Department for Environment and Heritage, Northern Areas Council.
Robertson, M. A. (2002e). Spiny Daisy Acanthocladium dockeri Recovery. Site Action Plan 2002: Site 4; Blyth to Brinkworth Road, near Hart. Department for Environment and Heritage, Northern Areas Council.
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. https://doi.org/10.1017/S0030605318001357 [Supplementary Material]
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.
http://www.abc.net.au/news/2015-06-16/efforts-to-save-spiny-daisy-succeeding-12-months-on/6549868
http://vanishingflora.proboards.com/thread/2093/acanthocladium-dockeri
http://saseedbank.com.au/species_information.php?rid=42