[Taxacom] Reversals in molecular trees

Richard Zander Richard.Zander at mobot.org
Fri Mar 15 13:16:33 CDT 2019

Can anyone advise me on the question are there trait reversals in molecular trees?

I am aware that sparse data sets help ensure no or few overwritten data points, but does the method (parsimony or Markov chain Monte Carlo) require reversals to optimize a molecular tree? This is interesting because reversals of molecular data after analysis imply some sort of overwriting.

Richard H. Zander
Missouri Botanical Garden - 4344 Shaw Blvd. - St. Louis - Missouri - 63110 - USA
richard.zander at mobot.org<mailto:richard.zander at mobot.org> Ofc: +1 314 577-0276
Web sites: http://www.mobot.org/plantscience/bfna/bfnamenu.htm and http://www.mobot.org/plantscience/resbot/

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