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Patterns of allozyme variation in Nordic Pilosella

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Author

Summary, in English

Patterns of allozyme variation have been investigated in 101 clones representing most of the morphological variation (and taxa) found in the amphi-apomictic genus Pilosella Hill. in the Nordic countries. Levels of variation were very high, both within narrowly defined taxa and within the whole data-set, but the correlation between a morphology-based taxonomy and patterns of allozyme variation was very weak. Almost all enzyme bands were found in more than one taxon and the differences between broadly defined species in terms of the frequency of bands were generally small. Cluster analyses did not perfectly recover any taxon but there were some tendencies for samples of some broadly defined taxa (e.g. P. officinarum s. l., and P. cymosa ssp. cymosa) to cluster together. It is concluded that there is considerable gene-flow among virtually all Nordic morpho-types of Pilosella and this is considered an argument for applying a very broad species concept in this genus.

Publishing year

2005

Language

English

Pages

133-145

Publication/Series

Plant Systematics and Evolution

Volume

250

Issue

3-4

Document type

Journal article

Publisher

Springer

Topic

  • Ecology

Status

Published

ISBN/ISSN/Other

  • ISSN: 1615-6110