Publication
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Notes on New Guinea Rubiaceae. Rhaninopus Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 25(1), 297-300.January 1979
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The western palaearctic species of Nephrotoma Meigen, 1803, (Diptera, Tipulidae). Part 2 Article
Beaufortia, 28(346), 57-111.January 1979
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Studies in the Cunoniaceae, II. The genera Caldcluvia, Pullea, Acsmithia, and Spiraeanthemum Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 25(2), 481-505.January 1979
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Bromus carinatus Hook. et Arn. en Puccinellia distans (L.) Parl. in Midden-Nederland Article
Gorteria: tijdschrift voor de floristiek, de plantenoecologie en het vegetatie-onderzoek van Nederland, 9(6), 232-234.January 1979
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Enkele vondsten van de scherpe pinksterbloem in West-Nederland Article
Gorteria: tijdschrift voor de floristiek, de plantenoecologie en het vegetatie-onderzoek van Nederland, 9(7/8), 283-288.January 1979
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Chronological enumeration of nominal species and subspecies of Corydoras (Pisces, Siluriformes, Callichthyidae) Article
Bulletin Zoologisch Museum, 6(17), 129-135.January 1979
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Morphology at the Rijksherbarium Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 25(1), 107-114.January 1979
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Mycology and lichenology at the Rijksherbarium Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 25(1), 83-88.January 1979