The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • 1. IUCN Red List (March, 2003) http://www.iucnredlist.org External link.
  • 10. Golding, J. (2002) South African Plant Red Data Lists. Southern African Botanical Diversity Network Report No. 14. SABONET, Pretoria.
  • 11. Oldfield, S. (1997) Cactus and Succulent Plants – Status Survey and Conservation Action Plan. IUCN/SSC Cactus and Succulent Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK.
  • 2. Coates Palgrove, K. (1977) Trees of Southern Africa. C. Struik Publishers, Cape Town.
  • 3. Raimondo, D., Foden, W. and Agenbag, L. in press. The Red List of South African Plants. Biodiversity Series Report. South African National Biodiversity Institute, Pretoria.
  • 4. Loots, S. (2005) A Red Data Book of Namibian Plants. SABONET Report No. 38, Namibia.
  • 5. CITES (March, 2003) http://www.cites.org External link.
  • 6. Midgley, J.J., Cowling, R.M., Hendricks, H., Desmet, P.G., Esler, K. and Rundel, P. (1997) Population ecology of tree succulents (Aloe and Pachypodium) in the arid western cape: decline of keystone species. Biodiversity and Conservation, 6: 869 - 876.
  • 7. Foden, W. (2007) Pers. Comm.
  • 8. Swart, E. and Hoffman, M.T. (2006) The population status of Aloe pillansii L. Guthrie in Southern Namibia. Report to the Department of Environment and Tourism, Kimberly.
  • 9. Foden, W.B., Midgley, G.F., Hughes, G., Bond, W.J., Thuiller, W., Hoffman, M.T., Kaleme, P., Underhill, L.G., Rebelo, A. and Hannah, L. (2007) A changing climate is eroding the geographic range of the Namib Desert tree Aloe through population declines and dispersal lags. Diversity and Distributions, 13: 645 - 653.
  • Govaerts R. (ed). For a full list of reviewers see: (2015). WCSP: World Checklist of Selected Plant Families (version Sep 2014). In: Species 2000 & ITIS Catalogue of Life, 26th August 2015 (Roskov Y., Abucay L., Orrell T., Nicolson D., Kunze T., Flann C., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., eds). Digital resource at Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.
  • Grace, Olwen M., Ronell R. Klopper, Gideon F. Smith, Neil R. Crouch, Estrela Figueiredo, et al. 2013. A revised generic classification for Aloe (Xanthorrhoeaceae subfam. Asphodeloideae). Phytotaxa, vol. 76, no. 1. 7-14
  • L.Guthrie. 1928. In: J. Bot. 66: 15


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