| Name | Role | Start | End | 
|---|---|---|---|
| Macrosystematics and phylogeny of the Psychotrieae (Rubiaceae, Rubioideae) | member | 1998-07-01 | 1999-12-01 | 
| Historic quality of the Flemish (Belgium) surface waters by means of macrophytes | member | 2000-01-01 | 2000-06-30 | 
| Devellopment of a monitoring and evaluating system for macrophytes in Flemish water bodies. | member | 2002-07-01 | 2004-01-01 | 
| Status of the Flemisch watercourses based on historical data – macrofytes – fish – diatoms – fysical structure | member | 1997-01-01 | 2001-01-01 | 
| Rearangement of the Plant Palace, a collection of 10 000 (sub)tropical plant species | member | 1999-01-01 | 
| Name | Role | Start | End | 
|---|---|---|---|
| Section Museology and Education | co-leader | 2002-04-01 | |
| Laboratory of Plant Systematics | PhD student | 1999-07-01 | 1999-12-01 | 
| Section Living Plant Collections | unknown | ||
| Flora of temperate regions | (scientific) collaborator | 2000-01-01 | 2001-06-01 | 
created:2011-12-14 14:18:59 UTC, source:web