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Diploid and Tetraploid Cytotypes of Centaurea stoebe (Asteraceae) in Central Europe: Morphological Differentiation and Cytotype Distribution Patterns
The taxomically critical species Centaurea stoebe is represented in Central Europe by a diploid (2n = 18) and a tetraploid (2n = 36) cytotype. Their morphological differentiation and taxonomicExpand
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Reticulate evolution and taxonomic concepts in the Ranunculus auricomus complex (Ranunculaceae): insights from analysis of morphological, karyological and molecular data.
The Ranunculus auricomus complex is an interesting model system for studying the evolution and diversity of apomictic polyploid complexes. It comprises hundreds of agamospecies, usually referred toExpand
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Morphometric comparison of Senecio germanicus and S. nemorensis (Compositae) with a new species from Romania
Abstract Morphometric comparison of three taxa of the Senecio nemorensis group, namely S. germanicus Wallr S. nemorensis L. and a new species S. dacicus Hodal ova & Marhold is presented. S. dacicus ,Expand
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Multivariate analysis of theSenecio nemorensis group (Compositae) in the Carpathians with a new species from the East Carpathians
Six species and subspecies of theS. nemorensis group from the Carpathians are recognized here, based on morphometric analyses (cluster and discriminant analyses). A new speciesS. ucranicusHodálováExpand
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Intraspecific variation in Viola suavis in Europe: parallel evolution of white-flowered morphotypes.
BACKGROUND AND AIMS Viola species are commonly grown for their ornamental flowers, but their evolutionary history and taxonomy are often complicated and have been poorly explored so far. This is aExpand
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Occurrence of tetraploid and octoploid cytotypes in Senecio jacobaea ssp. jacobaea (Asteraceae) in Pannonia and the Carpathians
Two different cytopytes of Senecio jacobaea ssp. jacobaea have been determined in the study area (Slovakia, the Czech Republic, Austria, Hungaria, Ucraine and Romania). It was studied 51 populations.Expand
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Sympatric populations of Senecio ovatus subsp. ovatus, S. germanicus subsp. germanicus (Compositae) and their hybrid in the Carpathians and the adjacent part of Pannonia
Summary A multivariate morphometric study of Senecio germanicus subsp. germanicus, Senecio ovatus subsp. ovatus and their hybrid, Senecio × futakii based on 19 population samples, collectedExpand
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Origin and systematic position of Jacobaea vulgaris (Asteraceae) octoploids: genetic and morphological evidence
Five cytotypes have been reported for Jacobaea vulgaris (syn.: Senecio jacobaea); three of them with euploid (tetraploid, hexaploid, and octoploid; 2n = 40, 60, and 80) and one with aneuploid (2n =Expand
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Cytogeography of European perennial species of Cyanus (Asteraceae)
To reveal the general cytogeographical pattern of Cyanus section Protocyanus in Europe, DNA ploidy and/or chromosome numbers were newly examined for 160 populations by flow cytometry (450 plants)Expand
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