Figure 18.9   Reconstructing the arborescent lycopsid Lepidodendron, a 50 m-tall tree from the Carboniferous coal forests of Europe and North America. No complete specimen has ever been found, but complete root systems, Stigmaria, and logs from the tree trunk are relatively common. The details of the texture of the bark, branches, leaves, cones, spores and seeds are restored from isolated fi nds.

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