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Polyploidy in phenotypic space and invasion context: a morphometric study of Centraurea stoebe s.l.

Mráz, Patrik ; Bourchier, Robert S. ; Treier, Urs A. ; Schaffner, Urs ; Müller-Schärer, Heinz

In: International Journal of Plant Sciences, 2011, vol. 172, no. 3, p. 386-402

The taxonomy of the Centaurea stoebe complex is controversial. Diploid and tetraploid plants occur in its native European range, but to date only tetraploids have been recorded from its introduced range in North America. We examined morphological differentiation of C. stoebe using multivariate and univariate approaches to clarify the taxonomic status of the known cytotypes. We measured more...

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A taxonomic revision of the Pilosella alpicola group in the Carpathians

Šingliarová, Barbora ; Mráz, Patrik

In: Preslia, 2009, vol. 81, p. 23-41

A taxonomic study of the Pilosella alpicola group growing in the Carpathians revealed the presence of two morphologically distinguishable taxa: P. ullepitschii (Błocki) Szeląg and P. rhodopea (Griseb.) Szeląg. While P. ullepitschii is endemic to the Carpathians, P. rhodopea is a Balkan subendemic with two isolated localities in the Southern Carpathians (Mt Cozia and Mt Zmeuretu). The core...

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