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Cycadophyta
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Fossil history.
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The Cycad Pages Phylogeny of the living seed plants The cycads are known to be an extremely ancient group, and are now recognised as the sister group to all other living seed plants. Fossil cycads are known from...An excellent place to begin learning about the Cycads
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Introduction to the Cycads Cycads are an ancient group of seed plants with a crown of large compound leaves and a stout trunk. They are a minor component of the flora in tropical and subtropical regions today, but during...Good source for information on Cycads. Includes taxonomy, biology, photos, links.
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Virtual Cycad Encyclopedia Internet hosting provided by Zone 10, Inc....Includes many articles, detailed species accounts, and images. From the Palm and Cycad Societies of Australia (PACSOA).
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If you have any photos of cycads, especially in their natural habitat, or any cultural tips for specific plants, please contact the webmaster about getting them onto these pages. We'd love to hear from you....An introduction.
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The Cycads: Fossils of the Past The cycads are a group of very primitive ligneous plants bearing a superficial resemblance to palms, although they are not at all related. Without a doubt, cycads deserve the qualifying title of living fossils, since...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.
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The Cycad Pages Welcome to the intriguing world of Cycads Survivors from before the dinosaurs! The Cycad Pages Web access to a botanical database developed from The World List of Cycads, with a page for every known cycad....Includes images of the cycad collection.
http://www.plantbio.uga.edu/greenhouses-cycads.html