|Scientific Name:||Ceratozamia hildae G.P.Landry & M.C.Wilson|
|Red List Category & Criteria:||Endangered A2abcd; B1ab(ii,iii,iv) ver 3.1|
|Assessor(s):||Vovides, A. & Chemnick, J.|
|Reviewer(s):||Donaldson, J.S. & Bösenberg, J.D.|
This is a popular ornamental species and collection resulted in near extinction in the wild. It is estimated that thousands of plants were removed from habitat and that only small and scattered subpopulations remain.
|Previously published Red List assessments:|
|Range Description:||This species has a sporadic distribution in the bordering ranges of Querétaro and San Luis Potosí states, Mexico where it is found in the region of the Huasteca Potosina near the Santa Maria river.|
Native:Mexico (Querétaro, San Luis Potosí)
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||The population at Aquismon in San Luis Potosi consists of 150 plants. Cavers have reported new population(s) above Aquismon.|
|Current Population Trend:||Decreasing|
|Habitat and Ecology:||This species occurs at approximately 850-1,300 m altitude in the cloud zone in deciduous oak woodlands. Plants grow in heavy black clay and among limestone rocks.|
|Generation Length (years):||45|
|Major Threat(s):||This species has been severly affected by habitat destruction and over-collecting for ornamental purposes.|
|Conservation Actions:||This species is listed on Appendix I of the CITES Appendices.|
Chemnick, J., Gregory, T. and Morales, S. 2007. Email received in response to request for information.
Donaldson, J.S. (ed.). 2003. Cycads. Status Survey and Conservation Action Plan. IUCN/SSC Cycad Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK.
Hill, K.D. and Stevenson, D.W. 1998-2006. The Cycad Pages. Available at: http://plantnet.rbgsyd.gov.au/PlantNet/cycad/.
IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.3). Available at: http://www.iucnredlist.org. (Accessed: 2 September 2010).
Jones, D.L. 1993. Cycads of the World. Reed, New Holland, Frenchs Forest, N.S.W., Australia.
Whitelock, L.M. 2002. The Cycads. Timber Press, Portland, Oregon.
|Citation:||Vovides, A. & Chemnick, J. 2010. Ceratozamia hildae. The IUCN Red List of Threatened Species 2010: e.T42124A10658203.Downloaded on 18 September 2018.|
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