Surf these sites: Cycad Plants -- Ecology and conservation. Cycadophyta -- Fossil history. Cycads -- University of Georgia. Greenhouse tour of Cycads. Division Cycadophyta -- All living cycads are slow-growing, long-lived, dioecious, pachycaul, woody perennials. Hunting for Fossil Cycads -- This is an account of a dig that turned up fossil Cycads in Petrified Forest National Park, Arizona. Introduction to the Cycads -- An excellent place to begin learning about the Cycads The Cycads: Fossils of the Past -- An introduction. Virtual Cycad Encyclopedia -- Good source for information on Cycads. Includes taxonomy, biology, photos, links.
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