pseudostele

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• Microphyll — This article is about leaf vasculature and evolution. For other uses, see Microphyll (disambiguation). Megaphyll leaves display a complex network of veins. The terminology of fossil plants is in places a little confusing. In the discipline s 200+ …   Wikipedia

• Evolutionary history of plants — Plants have evolved through increasing levels of complexity, from the earliest algal mats, through bryophytes, lycopods, ferns and gymnosperms to the complex angiosperms of today. While the simple plants continue to thrive, especially in the… …   Wikipedia