1.
Pittosporum peridoticola (Pittosporaceae), a new ultramafic obligate species restricted to Kinabalu Park (Sabah, Malaysia)
Genetic diversity and genetic structure of black alder (Alnus glutinosa [L.] Gaertn) in the Belgium-Luxembourg-France cross-border area
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3.
Natural hybridization and potential seed set of sympatric Populus nigra and Populus x canadensis along the river IJzer in Flanders