Threatened Plant Conservation Unit (2004) A Management Plan For Cycads In Kwazulu-Natal. Biodiversity Conservation Advice Division, Ezemvelo KZN Wildlife, Kwazulu-Natal, South Africa. Available at:
http://www.cycadsg.org/pages/publications.htmArxivat 2012-05-08 a Wayback Machine.
Yvonne Reynolds. «Encephalartos lebomboensis». South Africa National Biodiversity Institute, 04-2003. Arxivat de l'original el 2013-05-26. [Consulta: 20 febrer 2013].
web.archive.org
Threatened Plant Conservation Unit (2004) A Management Plan For Cycads In Kwazulu-Natal. Biodiversity Conservation Advice Division, Ezemvelo KZN Wildlife, Kwazulu-Natal, South Africa. Available at:
http://www.cycadsg.org/pages/publications.htmArxivat 2012-05-08 a Wayback Machine.
Yvonne Reynolds. «Encephalartos lebomboensis». South Africa National Biodiversity Institute, 04-2003. Arxivat de l'original el 2013-05-26. [Consulta: 20 febrer 2013].