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  4. Tools for Identifying Biodiversity: Progress and Problems
  5. Geometric morphometrics as a tool to resolve taxonomic problems: the case of Ophioglossum species (ferns)
 
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Geometric morphometrics as a tool to resolve taxonomic problems: the case of Ophioglossum species (ferns)

Magrini, Sara
•
Scoppola, Anna
2010
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ISBN
978-88-8303-295-0
http://hdl.handle.net/10077/3786
  • Book Chapter

Abstract
A modern method, geometric morphometrics, was used to clarify the taxonomic position of the European Ophioglossum species: O. azoricum, O. lusitanicum, and O. vulgatum. The identification of these taxa by traditional methods is rather difficult, due to different taxonomic interpretations. Sterile leaf shapes were investigated using a landmark-based method and the Fourier analysis of outlines. Both methods highlight the shape and the base of the leaf as an important diagnostic character.
Subjects
  • geometric morphometri...

  • landmark

  • Ophioglossum

  • outline analysis

Publisher
EUT Edizioni Università di Trieste
Source
Sara Magrini, Anna Scoppola, Geometric morphometrics as a tool to resolve taxonomic problems: the case of Ophioglossum species (ferns), in Pier Luigi Nimis and Régine Vignes Lebbe (eds.): “Tools for Identifying Biodiversity: Progress and Problems. Proceedings of the International Congress, Paris, September 20-22, 2010”, Trieste, EUT Edizioni Università di Trieste, 2010, pp. 251-256.
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