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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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Hybridization and morphogenetic variation in the invasive alien Fallopia (Polygonaceae) complex in Belgium
A morphometric study of populations of the Centaurea jacea complex (Asteraceae) in Belgium
A world apart: Levels and determinants of excess mortality due to COVID-19 in care homes: The case of the Belgian region of Wallonia during the spring 2020 wave
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