?Horsetail Vegetative stem of Equisetum telmateia with a whorl (at each node) of branches and dark-tipped leaves Scientific classification Kingdom: Plantae Division: Equisetophyta Class: Equisetopsida Order: Equisetales Family: Equisetaceae Genus: Equisetum Species See text. The horsetails are vascular plants, comprising 15 species of plants in the genus Equisetum. This genus is the only one in the family Equisetaceae, which in turn is the only family in t ...
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Horsetail Organizations