Publication
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The nomenclature of Delpya (Sapindaceae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 23(2), 336-336.January 1977
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On the morphology of the ovules in Salacca (Palmae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 23(2), 371-375.January 1977
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Notes on Southeast Asian Porcupines (Hystricidae, Rodentia) II. On the taxonomy of the genus Atherurus F. Cuvier, 1829 Article
Beaufortia, 26(336), 205-230.January 1977
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Notes on Asiatic, Pacific, and Australian Diospyros Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 23(2), 449-474.January 1977
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Studies in the family Thelypteridaceae. XII. The genus Amphineuron Holttum Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 23(2), 205-218.January 1977
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The secondary phloem of some Ochnaceae and the systematic position of Lophira lanceolata v. Tieghem ex Keay Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 23(2), 439-447.January 1977
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Note on Arrhenechthites haplogyna (Asteraceae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 23(2), 341-343.January 1977
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Twee nieuwe Rubus-ondersoorten Article
Gorteria: tijdschrift voor de floristiek, de plantenoecologie en het vegetatie-onderzoek van Nederland, 8(7), 124-128.January 1977