The World List of Cycads (WLoC) is a comprehensive reference for cycad taxonomy, nomenclature, biology, and literature. Learn more about us.
The WLoC is produced under the auspices of the IUCN/SSC Cycad Specialist Group (CSG) and hosted by Montgomery Botanical Center .
The list is periodically updated to reflect changes in cycad nomenclature and taxonomy. The current list consists of a total of 10 accepted genera and 394 accepted names (380 species and 14 infraspecific taxa), divided as follows: Bowenia (2 species), Ceratozamia (44 species), Cycas (125 species), Dioon (18 species), Encephalartos (71 species), Lepidozamia (2 species), Macrozamia (41 species), Microcycas (1 species), Stangeria (1 species), Zamia (89 species).
Researching cycads? The cycad literature database holds over 1,300 references related to cycads.
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Our photo gallery hosts over 8,000 pictures of cycads in their natural habitat.
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