Fossil history.

An excellent place to begin learning about the Cycads

Good source for information on Cycads. Includes taxonomy, biology, photos, links.

Includes many articles, detailed species accounts, and images. From the Palm and Cycad Societies of Australia (PACSOA).

An introduction.

Extensive botanical database on the known cycads, including identification and classification, ecology and conservation, cycad evolution and the fossil record, geography and distribution, and horticultural information.

Includes images of the cycad collection.