Additional
Information: Also known as horsetails.
The fossil record of the Equisetophyta dates back to the upper Devonian, with a peak in abundance and diversification during the Carboniferous.
Today, Equisetum is the sole extant genus, with approx
Equisetaceae Equisetaceae: General description of this family of terrestrial, herbaceous, homosporous vascular plants, comprising a single genus with about 15 species. Includes photos of several Equisetum species. (Equisetophyta) http://www.botany.hawaii.edu/faculty/carr/equiset.htm
Phylum Sphenophyta Phylum Sphenophyta: Includes phylum description, and links to images of members of the Equisetaceae (horsetails). (Equisetophyta) http://www.science.siu.edu/landplants/Sphenophyta/sphenophyta.html
Horsetails - Equisetaceae Horsetails - Equisetaceae: Brief description of the horsetail family, including descriptions of several Equisetum species. (Equisetophyta) http://bodd.cf.ac.uk/BotDermFolder/BotDermE/EQUI.html
Additional
Information: Also known as horsetails.
The fossil record of the Equisetophyta dates back to the upper Devonian, with a peak in abundance and diversification during the Carboniferous.
Today, Equisetum is the sole extant genus, with approx
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