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Listing Advice: Caladenia Carnea Var. Subulata

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Listing Advice: Caladenia Carnea Var. Subulata THREATENED SPECIES SCIENTIFIC COMMITTEE Established under the Environment Protection and Biodiversity Conservation Act 1999 The Minister deleted this species from the endangered category effective from 16 September 2015. Listing Advice Caladenia carnea var. subulata Taxonomy Caladenia carnea var. subulata is a spider orchid that was described by Nicholls (1945). The variety was last collected in Portland in western Victoria in the 1940s (TSSC, 2008) and was listed as extinct in the Advisory List of Rare or Threatened Plants in Victoria (DSE, 2005). The taxonomic validity of Caladenia carnea var. subulata has been described as doubtful (Entwisle, 1994). The unusual features of the labellum led Jones (2000) to comment that the variety is a localised teratological mutation (an abnormality of physiological development). It is now treated as a synonym of Caladenia carnea in the Census of Vascular Plants in Victorian (Walsh and Stajsic, 2007) and the Australian Plant Census (CHAH, 2005). Caladenia carnea is a variable species (Jones, 2006, cited in TSSC, 2008) that occurs between Hervey Bay in Queensland and Tasmania (AVH, 2014). It is common within its range (Jones, 2006, cited in TSSC, 2008) and often survives or recolonises areas cleared by human activity (Bernhardt, 2007). It occurs in coastal lowlands and montane areas to 800 m and inland some distance (Jones, 2006, cited in TSSC, 2008). It occurs in heathland, mallee, woodland and forest (Jones, 2006, cited in TSSC, 2008). Reason for conservation assessment by the Threatened Species Scientific Committee Caladenia carnea var. subulata is listed as endangered. This variety is eligible for listing as endangered under the Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act) as, prior to the commencement of the EPBC Act, it was listed as endangered under Schedule 1 of the Endangered Species Protection Act 1992 (Cwlth). It is also listed as Threatened under the Flora and Fauna Guarantee Act 1988 (Victoria). This assessment is due to current information on Caladenia carnea var. subulata, stating the variety is no longer considered a valid taxon. Public consultation Notice of the proposed amendment and the reasons was made available for public comment for 46 business days between 24 November 2014 and 30 January 2015. No comments were received. Assessment of available information in relation to the EPBC Act Criteria and Regulations and consideration for delisting As identified in the taxonomic discussion provided above, Caladenia carnea var. subulata is no longer considered to be a valid taxon and is not eligible for listing in any category. Consideration for delisting As Caladenia carnea var. subulata is not considered to be a valid taxon, delisting is not expected to have any negative impacts. Caladenia carnea var. subulata Listing Advice Page 1 of 2 Recommendations (i) The Committee recommends that the list referred to in section 178 of the EPBC Act be amended by deleting from the list in the endangered category: Caladenia carnea var. subulata The Committee notes that this variety is eligible for delisting due to taxonomic change. Threatened Species Scientific Committee 3 November 2014 References cited in the advice Australia's Virtual Herbarium (AVH) (2014). Australia's Virtual Herbarium. Council of Heads of Australasian Herbaria. Viewed: 3 October 2014 Available from the Internet: http://avh.chah.org.au/ Bernhardt P (2007). Caladenia carnea. In: The Royal Botanic Gardens and Domain Trust (2014). PlantNET. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust (version 2). Sydney. Viewed: 3 October 2014 Available from the Internet: http://plantnet.rbgsyd.nsw.gov.au Council of Heads of Australasian Herbaria (CHAH) (2005). Australian Plant Census. Integrated Biodiversity Information System, Australian National Botanic Gardens, Australian National Herbarium Viewed: 15 October 2014 Available on the Internet: http://www.cpbr.gov.au/cpbr/databases/apni-search-full.html Department of Sustainability and Environment (DSE) (2005). Advisory List of Rare or Threatened Plants in Victoria – 2005. DSE, East Melbourne, Victoria. Entwisle TJ (1994). Caladenia. In: Walsh NG and Entwisle TJ (Eds). Flora of Victoria 2: 763–4. Jones DL (2000). Four New Names in Caladenia R. Br. (Orchidaceae), and a note on C. carnea var. subulata Nicholls. The Orchadian. 13:257. Nicholls WH (1945). Orchid Notes. Victorian Naturalist 62: 61. Threatened Species Scientific Committee (TSSC) (2008). Commonwealth Conservation Advice on Caladenia carnea var. subulata (Striped Pink Fingers). Department of the Environment. Walsh NG and Stajsic V (2007). A Census of the Vascular Plants of Victoria, 8th edition. Royal Botanic Gardens Melbourne, South Yarra. Caladenia carnea var. subulata Listing Advice Page 2 of 2 .
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