References
Welwitschia mirabilis © Sara&Joachim on Flickr, Creative Commons Attribution-Share Alike 2.0 Generic
CITES - the Convention on the International Trade of Endangered Species of Wild Fauna and Flora adapted from: McGough HN, Groves M, Sajeva M,Mustard MJ, and Brodie C (in press). CITES and Succulents: a User's Guide.
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Short, P, In Pursuit of Plants, (2003) University of Western Australia Press, Crawley, 349 pp.
Stearn WT. ‘The catalogue of the African plants collected by Dr Friedrich Welwitsch (1896–1901) and its litigious background’, Garcia de Orta Botany Series, 1 (1973), 101–4
Steyn EMA and Smith GF. “Species Plantarum: Flora of the World. Part 3, Welwitschiaceae” Australian Biological Resources, Canberra (1999)
Swinscow, TDV. ‘Friedrich Welwitsch, 1806–72. A centennial memoir’, Biological Journal of the Linnean Society, 4 (1972), 269–89.
