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The Importance of Closely Related Taxa for the Delimitation of Phytosociological Units

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Plant Species and Plant Communities

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Abstract

In the third edition of his ‘Plant Sociology’, page 91, Braun-Blanquet (1964) writes (translated from the German): ‘In addition to the Linnean species, we can consider as character-species races whose morphology is difficult to distinguish, subspecies, and even varieties, all of which occur optimally in particular phytosociological units. Wide-spread species of expanding families often include parallel races fixed by heredity, i.e. genotypes which are attached to a particular area and often also to a clearly defined phytosociological unit (alliance, association). These parallel ecological races, usually subspecies, which are restricted to different climates, differ not only morphologically, but also physiologically and ecologically…’.

Dedicated to Professor V. Westhoff on the occasion of his 60th birthday.

The author greatly appreciates valuable suggestions of Dr K. Urbanska-Worytkiewicz and her help in the translation of the manuscript.

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Authors and Affiliations

  1. Geobotanical Institute ETH, Rübel Foundation, Zürichbergstrasse 38, CH 8044, Zürich, Switzerland

    Elias Landolt

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  1. Elias Landolt
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Eddy van der Maarel Marinus J. A. Werger

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© 1978 Dr. W. Junk bv Publishers

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Landolt, E. (1978). The Importance of Closely Related Taxa for the Delimitation of Phytosociological Units. In: van der Maarel, E., Werger, M.J.A. (eds) Plant Species and Plant Communities. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-9987-9_15

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  • DOI: https://doi.org/10.1007/978-94-009-9987-9_15

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-6193-591-9

  • Online ISBN: 978-94-009-9987-9

  • eBook Packages: Springer Book Archive

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