1.
Introduction: an outlook after the completion of the seventh edition of the Nouvelle Flore de la Belgique
Index of genera mentioned in the notes on chorology (p. 5-98) and taxonomy and nomenclature (p. 99-173)
The seventh edition of the Nouvelle Flore de la Belgique: chorological adjustments
The seventh edition of the Nouvelle Flore de la Belgique: nomenclatural and taxonomic remarks
Wolffia columbiana nu ook waargenomen in België
Some notes on the Hordeum murinum complex in Belgium
New observations of garden escapes in Meise Botanic Garden (Belgium), part 1
A note on some alien species of Hydrocotyle (Araliaceae) in Belgium
The Chinese weed Corydalis linstowiana (Papaveraceae) recorded for the first time in Belgium