Publication
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Pollen morphology of the genus Hydnocarpus (Flacourtiaceae) with notes on related genera Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 20(1), 65-88.January 1972
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The Convolvulaceae of Malesia X. Additional notes on the species from New Guinea with description of a new Merremia Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 20(1), 127-131.January 1972
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Tetrameles nudiflora R. Brown (Datiscaceae). A new record for Australia Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 20(2), 338-338.January 1972
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A taxonomic revision of the genus Scolopia Schreb. (Flacourtiaceae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 20(1), 25-64.January 1972
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Some notes on the seedling of Haplolobus (Burseraceae) Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 20(2), 311-314.January 1972
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Gagea lutea (L.) Ker-Gawl. en Gagea spathacea (Hayne) Salisb. in Drente Article
Gorteria: tijdschrift voor de floristiek, de plantenoecologie en het vegetatie-onderzoek van Nederland, 6(5), 80-86.January 1972
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Review Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 20(1), 104-104.January 1972
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A revision of the family Taccaceae Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 20(2), 367-406.January 1972