Welwitschia (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Welwitschia" in English language version.

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archive.org

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cites.org

  • "Appendices". Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). Retrieved 14 October 2022.

conifers.org

  • Earle, Christopher J., ed. (2018). "Welwitschia mirabilis". The Gymnosperm Database. Retrieved 21 July 2023. Although Welwitschia produces no growth rings, radiocarbon dating is feasible and results have indicated maximum ages in excess of 1,500 years.

csiro.au

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jstor.org

  • Martens, P. (4 September 1977). "Welwitschia mirabilis and Neoteny". American Journal of Botany. 64 (7): 916–920. doi:10.2307/2442386. JSTOR 2442386.

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