| Name |
Role |
Start |
End |
| Burmanniaceae (Dioscoreales): molecular systematics, pollenmorphology and phylogeny. |
promotor |
|
|
| Combined phylogenetic studies in Dipsacales and Ebenaceae. |
promotor |
|
|
| Comparison of gene expression patterns in Marcgravia and Impatiens and the phylogeny of Balsaminaceae. |
promotor |
|
|
| Contemporary morphology: a scanning electron microscopic contribution based on micromorphological characteristics. |
promotor |
|
|
| Floral ontogenetic study of the Cyperaceae and the Rubiaceae. |
promotor |
|
|
| Morphology, ultrastructure, ontogeny and typology of orbicules in Gentianales. |
promotor |
|
|
| New evolutionary morphology and molecular phylogeny of the Cyperoideae (Cyperaceae). |
promotor |
|
|
| New evolutionary morphology: phylogenetic signals of selected anatomical characters and aluminium hyperaccumulation in angiospersms. |
promotor |
|
|
| Nieuwe Evolutionaire Morfologie en Moleculaire Fylogenie van de Cyperoideae (Cyperaceae) |
promotor |
|
|
| Orbicules: systematic usefulness, ontogeny and possible allergenicity. |
promotor |
|
|
| Palynological and floristic investigations in the environment of Sagalassos (Southwestern Turkey). |
promotor |
|
|
| Phylogenetic relations within dipsacales. A combined molecular and morphological approach. |
promotor |
|
|
| Phylogenetic studies in Ericales (angiosperms). A multidisciplinary study. |
promotor |
|
|
| Phylogeny of Ericales: a wood anatomical study. |
promotor |
|
|
| Phylogeny, deep morphology, and biogeography of the genus spermacoce L. (Rubiaceae). |
promotor |
|
|
| Pollen of Rubiaceae. Form, function and ultrastructure. |
promotor |
|
|
| Revision of Pauridiantha (Rubiaceae) and its allies from Continental Africa. |
promotor |
|
|
| Revision of the genus Pauridiantha (Rubiaceae): a multidisciplinary approach. |
promotor |
|
|
| Systematic studies in the Spermacoceae (Rubiaceae). |
promotor |
|
|
| Systematic wood anatomy of Rubiaceae. |
promotor |
|
|
| Morphology and ontogeny of pollen, orbicules and tapeta of the Dioscoreales |
promotor |
|
|
| Evolution of selected characters reconsidered: New Evolutionary Morphology. |
promotor |
|
|
| Phylogeny of the Ericales: a floral ontogenetic approach |
promotor |
|
|
| Phylogeny of the tribe Spermacoceae sensu lato (Rubiaceae) |
promotor |
|
|
| Burmanniaceae (Dioscoreales): molecular taxonomy, pollen morphology and phylogeny |
promotor |
2004-01-01 |
2007-12-31 |
| A phylogenetic study of the African Ebenaceae |
promotor |
2004-10-01 |
2008-09-30 |
| Molecular evolution of B-function MADS-box genes in the basal asterides |
promotor |
2006-01-01 |
2009-12-31 |
| Morphology and ontogeny of pollen, orbicules and tapeta in the Dioscoreales. |
promotor |
1999-10-01 |
2003-09-30 |
