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Latest Alan Channing Stories

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2011-05-06 08:34:19

Horsetail plant developed successful set of tools for extreme environments, maintained them for millions of years Over 100 million years ago, the understory of late Mesozoic forests was dominated by a diverse group of plants of the class Equisetopsida. Today, only one genus from this group, Equisetum (also known as horsetail or scouring rush), exists"”and it is a prime candidate for being the oldest extant genus of land plant. There is some debate as to the evolutionary beginnings of...