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Abstract Detail


Flora of North America: Synergy with other Botanical Projects

Zander, Richard H. [1].

Opportunities for synergy in bryophyte floristics: evaluating molecularly based phylogenies.

THE Flora of North America bryophyte volumes follow the most recent phylogenetic classifications, but there are to date two statistically justified rejections of the results of molecular analysis of DNA sequences: the Rhabdoweisiaceae is not distinct from the Dicranaceae, and Timmiella does belong with the Pottiaceae. Published molecular cladograms may be interpreted for floristic purposes by reducing them to reliable elements with a simple five-step transform based on across-the-board corrections, probablistic formulae for assessing phyletic distance and agreement with morphology, and conversion tables. This is exemplified with APGs Malpighiales. Inferred process-based relationships involving possible evolutionary Lazarus taxa contravening Dollo’s Rule may sometimes skip the usual clades of nested events of inferred genetic isolation. -DU


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Related Links:
Tables for Approximation of Confidence Interval from Bootstrap Proportion and Decay Index
FNA Bryophyte Volumes Web Site
Unaccounted Assumptions
Silk Purse Spreadsheet


1 - Missouri Botanical Garden, Research Department, P. O. Box 299, St. Louis, Missouri, 63166-0299, USA

Keywords:
DNA
Pottiaceae
bryophytes
reliable clades
evolutionary Lazarus taxa
APG.

Presentation Type: Symposium or Colloquium Presentation
Session: 70-8
Location: 352/Holt
Date: Wednesday, August 2nd, 2006
Time: 1:30 PM
Abstract ID:46


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