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Images of examples of from four different lineages of seed plants are included: conifers, ginkgoes, cycads, and vessel-bearing gymnosperms. A number of images are included that detail the pine life cycle.
Link to collection of all gymnosperms
Link to overview of conifers Link to detailed views from the pine life cycle Link to overview of Cycads Link to overview of Ginkgo Link to loverview of Vessel-bearing gymnosperms