Authors: STOFFELEN P ROBBRECHT E SMETS E

Citation: P. Stoffelen et al., ADAPTED TO THE RAIN-FOREST FLOOR - A REMARKABLE NEW DWARF COFFEA (RUBIACEAE) FROM LOWER GUINEA (TROPICAL AFRICA), Taxon, 46(1), 1997, pp. 37-47

Authors: STOFFELEN P ROBBRECHT E SMETS E

Citation: P. Stoffelen et al., POLLEN MORPHOLOGY OF COFFEA AND PSILANTHUS (RUBIACEAE-COFFEEAE), MAINLY FROM AFRICA, Grana, 36(6), 1997, pp. 313-327

Authors: STOFFELEN P ROBBRECHT E SMETS E

Citation: P. Stoffelen et al., COFFEA (RUBIACEAE) IN CAMEROON - A NEW SPECIES AND A NOMEN RECOGNIZEDAS SPECIES, Belgian journal of botany, 129(1), 1996, pp. 71-76

Authors: STOFFELEN P ROBBRECHT E SMETS E

Citation: P. Stoffelen et al., A REVISION OF CORYNANTHE AND PAUSINYSTALIA (AFRICAN RUBIACEAE-COPTOSAPELTEAE), Biological Journal of the Linnean Society, 120(4), 1996, pp. 287-326