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Brittonia

, 29:3 | Cite as

The systematic position of Psilotum and Tmesipteris

  • David W. Bierhorst
Article

Abstract

Several interpretations concerning the relationships of the Psilotaceae are discussed. The conclusion that the Psilotaceae are filicalean ferns is defended. New evidence which has appeared since earlier papers on the subject confirms this basic conclusion.

Keywords

Apical Cell Stem Apex Aerial Shoot Ultimate Segment Leaf Apical Cell 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© The New York Botanical Garden 1977

Authors and Affiliations

  • David W. Bierhorst
    • 1
  1. 1.Department of BotanyUniversity of MassachusettsAmherst

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