1.
Introduction: an outlook after the completion of the seventh edition of the Nouvelle Flore de la Belgique
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
Index of genera mentioned in the notes on chorology (p. 5-98) and taxonomy and nomenclature (p. 99-173)
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
Wolffia columbiana nu ook waargenomen in België