Chapter 30 Plant Diversity II. Fig. 29-7 Origin of land plants (about 475 mya) 1 2 3 1 2 3 Origin of vascular plants (about 420 mya) Origin of extant.
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Chapter 30 Presentation
Plants II The Vascular Plants Hypericum sp. Photo by Alan Mulvey THE SEED PLANTS I Gymnosperms.
