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STEVENSON, D. W. (New York Botanical Garden, Bronx, New York 10458, USA), R. OSBORNE (University of Natal, King George V Avenue, Durban 400 I, South Africa), and J. HENDRICKS (110 Brookmeade Avenue, Statesville, North Carolina 28677, USA). A world list of cycads. Memoirs of The New York Botanical Garden 57: 200â€“206. 1990. A list of cycad genera, species, and infraspecific taxa is given together with a general indication of their distribution. Brief comments are given about the status of the taxonomy of each genus. Those genera in the most need of taxonomic revision are indicated.