Publication
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Schizaeaceae Article
Flora Malesiana - Series 2, Pteridophyta, 1(1), 37-61.January 1959
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Bibliography Article
Flora Malesiana Bulletin, 14(1), 666-701.January 1959
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Obituaries and biographical notes Article
Flora Malesiana Bulletin, 14(1), 615-620.January 1959
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Personal news Article
Flora Malesiana Bulletin, 14(1), 620-626.January 1959
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Miscellaneous information Article
Flora Malesiana Bulletin, 14(1), 633-639.January 1959
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Caribbean fresh and brackish water Chlorophyta Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 9(2), 590-625.January 1959
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Trachypodaceae. A critical revision Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 9(2), 477-575.January 1959
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Report of work on ferns carried out at Bogor 1957-1958 Article
Flora Malesiana Bulletin, 14(1), 639-640.January 1959