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A morphometric study of populations of the Centaurea jacea complex (Asteraceae) in Belgium
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Ecological, morphological and allozymic differentiation between diploid and tetraploid knapweeds (Centaurea jacea) from a contact zone in the Belgian Ardennes
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Pollen profile UITBERG, Uitbergen, Belgium
Pollen profile VINDERH, Vinderhoute, Belgium
Pollen profile MERSCH, Luxembourg
Pollen counts of sediment core UDD-E from Lake Uddelermeer (The Netherlands) in 2012