Publication
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Paramyristica, a new genus of Myristicaceae Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 39(1/2), 341-350.January 1994
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Sarcochilus huliorum (Orchidaceae), a new species from Papua New Guinea Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 38(2), 513-517.January 1994
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On five species of Phyllogomphoides Belle, 1970, from Brazil with the descriptions of three new taxa (Odonata: Gomphidae) Article
Zoologische Mededelingen, 68(8), 73-85.January 1994
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Owen revisited: a reappraisal of morphology in evolutionary biology Article
Bijdragen tot de dierkunde, 64(2), 65-74.January 1994
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Taxonomic review of Myristica (Myristicaceae) in the Pacific Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 38(2), 349-406.January 1994
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Contribution à la connaissance des Acritini éthiopiens (VIII). Description d'Acritus lamberti spec. nov. (Coleoptera: Histeridae) Article
Zoologische Mededelingen, 68(20), 215-219.January 1994
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Brief history of the botanical exploration in the Gunung Leuser Natural Park and vicinity, North Sumatra With itineraries and reports of the exploration tours by Van Steenis (1937) and De Wilde & Duyfjes (1972-1991) Article
Flora Malesiana Bulletin, 11(4), 253-291.January 1994
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Revision of Meiogyne (Annonaceae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 38(2), 487-511.January 1994