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Citation for Study 234

About Citation title: "Hagstrom's concept of phylogenetic relationships in Potamogeton L. (Potamogetonaceae).".
About This study was previously identified under the legacy study ID S2x5x96c18c28c24 (Status: Published).

Citation

Les D., & Sheridan D. 1990. Hagstrom's concept of phylogenetic relationships in Potamogeton L. (Potamogetonaceae). Taxon, 39: 41-58.

Authors

  • Les D.
  • Sheridan D.

Abstract

Hagstrom's concepts of relationships in Potamogeton, as reflected by the subgeneric, sectional, and subsectional divisions in his classification of the genus are investigated by reconstruction of an evolutionary tree deduced from phylogenetic inferences stated in his monograph. These relationships are explored in the context of results from phenetic and cladistic numerical analyses performed using characters taken from the Hagstrom monograph that are scored for 26 subsections. The Hagstrom classification represents an amalgam of phenetic and cladistic interpretations and the hierarchy does not depict accurately fundamental evolutionary relationships indicated by numerical analyses. Recommendations are provided for developing and testing evolutionary hypotheses that are independent of relationships inferred by this long-standing but problematic classification.

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  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S234
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