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Topic: Equisetopsida


In the News (Sat 28 Nov 09)

  
  Equisetopsida
[ Ephedropsida ] [ Equisetopsida ] [ Ginkgoopsida ]
Individual specimen entries are published in the sample database supplied with The Compleat Botanica for species or varieties of this supra-generic taxon.
For a description of the methodology followed in establishing this hierarchy see the note Nomenclature used in The Compleat Botanica.
www.crescentbloom.com /plants/Classis/Equisetopsida.htm   (59 words)

  
 Talk:Horsetail - Wikipedia, the free encyclopedia
..."the only genus in the family Equisetaceae, in the order Equisetales, in the class Equisetopsida, sometimes placed in its own division, Equisetophyta, or in the division Tracheophyta or Archeophyta."
Equisetopsida has always been a tracheophyte, but different people vary in whether they give Equisetopsida its own division, lump it into Pteridophyta, etc., and in what hierarchical level they want to call the tracheophytes.
I'v got Equisetum japonicum in my pond, but it isn't mentioned here as a species.
en.wikipedia.org /wiki/Talk:Horsetail   (321 words)

  
 Unidentified Horse Tail
This is due, in part, to investigators who have given different names to the fossils of leaves and to the fossils of stems and trunks when ignorance has prevented them from knowing which belonged to which.
Such has been the case for horse tails, Equisetopsida, and their arboreal trunks, Calamities.
In this image one sees both, but without evidence of an attachment, it cannot be concluded that the two belong to the same plant.
www.ancientmicroworlds.com /gallery2/HorseTail.html   (90 words)

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