Publication
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Passifloraceae Article
Flora Malesiana - Series 1, Spermatophyta, 7(1), 405-434.January 1972
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Cardiopteridaceae Article
Flora Malesiana - Series 1, Spermatophyta, 7(1), 93-96.January 1972
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Portulacaceae Article
Flora Malesiana - Series 1, Spermatophyta, 7(1), 121-133.January 1972
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On the occurrence of Carcinus maenas (Linnaeus) and its parasite Sacculina carcini Thompson in Burma, with notes on the transport of crabs to new localities Article
Zoologische Mededelingen, 47(11), 145-155.January 1972
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Aponogetonaceae Article
Flora Malesiana - Series 1, Spermatophyta, 7(1), 213-218.January 1972
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Bemerkungen zur systematik und Ökologie von Blackstonia perfoliata und B. acuminata (Gentianaceae) Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 379(1), 587-597.January 1972
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Cytotaxonimic studies in the genus Symphytum IV. Cytogeographic investigations in Symphytum officinale L Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 372(1), 169-173.January 1972
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Icacinaceae Article
Flora Malesiana - Series 1, Spermatophyta, 7(1), 1-87.January 1972