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The mission of the International Association of Bryologists (IAB), as a society, is to strengthen bryology by encouraging interactions among all persons interested in byophytes.

Friday, October 9, 2009

RE: BRYONET: IAB blog : Are you with monphyly or are you with

paraphyly?
Date: Fri, 9 Oct 2009 12:24:43 -0500
From: "Richard Zander" <Richard.Zander@mobot.org>
To: <bryonet-l@mtu.edu>
Sender: owner-bryonet-l@mtu.edu
Precedence: list
Reply-To: bryonet-l

BRYONET

Efrain:

I suggest you change your poll to phylogenetic monophyly (holophyly)
versus paraphyly.

Evolutionary monophyly includes paraphyly. Those who wish to participate
in this poll should note that "paraphyly" is a phylogeneticist's
disparaging word for what is generally known as ancestors involved in
macroevolution. Para implies faulty, wrong, amiss, or similar to the
true form. Macroevolution is a real scientific concept supported by
plenty of data with no revanchist connotations.

My own poll would be:
1. Creationist-style suppression of macroevolution in classification.
Versus:
2. Recognition that macroevolution should be reflected in
classification.

An example of number one is:
Pottiaceae.

An example of number two is:
Pottiaceae. Ephemeraceae. Splachnobryaceae. Cinclidotaceae.

*****************************
Richard H. Zander
Voice: 314-577-0276
Missouri Botanical Garden
PO Box 299
St. Louis, MO 63166-0299 USA
richard.zander@mobot.org
Web sites: http://www.mobot.org/plantscience/resbot/
and http://www.mobot.org/plantscience/bfna/bfnamenu.htm
Non-post deliveries to:
Missouri Botanical Garden, 4344 Shaw Blvd., St. Louis, MO 63110
*****************************

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1 comment:

  1. Richard:
    Appreciate your clarification on "phylogenetic monophyly" and "evolutionary monophyly". I can´t change the poll now that are votes already. sorry. I added a link to your note to warn people.

    ReplyDelete

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