Equisetaceae «
http://www.botany.hawaii.edu/faculty/carr/equiset.htm | | 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. |
Horsetails - Equisetaceae «
http://bodd.cf.ac.uk/BotDermFolder/BotDermE/EQUI.html | | Brief description of the horsetail family , including descriptions of several equisetum species. |
Phylum Sphenophyta «
http://www.science.siu.edu/landplants/Sphenophyta/sphenophyta.html | | Includes phylum description , and links to images of members of the equisetaceae (horsetails). |
