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Patterns of allozyme variation in Nordic Pilosella

In English

Författare

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.

Publiceringsår

2005

Språk

Engelska

Sidor

133-145

Publikation/Tidskrift/Serie

Plant Systematics and Evolution

Volym

250

Issue

3-4

Dokumenttyp

Artikel i tidskrift

Förlag

Springer

Ämne

  • Ecology

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1615-6110