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Equisetum telmateia
Scientific classification
Kingdom: Plantae
Division: Pteridophyta
Class: Equisetopsida
Order: Equisetales
DC. ex Bercht. & J. Presl

The Equisetales is an order of pteridophytes with only one living genus Equisetum (horsetails), of the family Equisetaceae. The fossil record includes additional extinct species in the Equisetaceae and the extinct families Calamitaceae, Archaeocalamitaceae and Phyllothecaceae. [1][2]


Media related to Equisetales at Wikimedia Commons

  1. ^ Stanich, Nicholas; Gar W. Rothwell; Ruth A. Stockey (2009). "Phylogenetic diversification of Equisetum (Equisetales) inferrred from Lower Cretaceous species of British Columbia, Canada.". American Journal of Botany 96 (7): 1289–1299. doi:10.3732/ajb.0800381. 
  2. ^ Uma nova espécie de Phyllotheca Brongniart