AAdvances in Rubiaceae macrosystematicsAdvances in Rubiaceae macrosystematicsde E. RobbrechtMateriasRubiaceaeClassificationEdiciones (1)Advances in Rubiaceae macrosystematics (1994)National Botanic Garden of Belgium · inglésMás obras de E. RobbrechtTTropical woody RubiaceaeTropical woody Rubiaceae
OObservations on the SE African-Madagascan genus Alberta and Observations on the SE African-Madagascan genus Alberta and its ally Nematostylis (Rubiaceae, Alberteae), with a survey of the species and a discussion of the taxonomic position
PPhellocalyx, a new tropical African genus in the Rubiaceae (Phellocalyx, a new tropical African genus in the Rubiaceae (Gardenieae)
DDe relaties tussen botanische collecties en de tuinbouwDe relaties tussen botanische collecties en de tuinbouw