Publication
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Some little-known species of hydroids (Cnidaria: Hydrozoa: Lafoeidae) and description of Papilionella pterophora gen. nov., spec. nov. (Sertulariidae) Article
Zoologische Mededelingen, 67(30), 431-443.January 1993
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Recente vondsten van breedbladige fonteinkruiden (Groenlandia en Potamogeton spec.) in de provincie Noord-Brabant Article
Gorteria: tijdschrift voor de floristiek, de plantenoecologie en het vegetatie-onderzoek van Nederland, 19(4), 97-102.January 1993
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The tuberous epiphytes of the Rubiaceae 5: A revision of Myrmecodia Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 37(2), 271-334.January 1993
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Schileykula aculeata spec. nov., a conspicuous species from Turkey with spiny ribs on its shell (Mollusca: Gastropoda Pulmonata: Orculidae) Article
Zoologische Mededelingen, 67(23), 341-343.January 1993
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Seaweeds of the Spermonde Archipelago, SW Sulawesi, Indonesia Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 37(2), 385-510.January 1993
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Notes on the genus Bythocaris G.O. Sars, with the description of a new species Article
Zoologische Mededelingen, 67(41), 567-599.January 1993
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Aprostocetus (Ootetrastichus) theioneurus (Masi) (Hymenoptera: Eulophidae): a hyperparasitoid on the cereal stem borer Chilo partellus (Lepidoptera: Pyralidae) in Africa Article
Zoologische Mededelingen, 67(31), 445-451.January 1993
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A taxonomic study of the genus Matonia (Matoniaceae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 38(1), 167-172.January 1993