Publication
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Rare Plants from the Angmagssalik District, Southeast Greenland Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 352(1), 252-263.January 1970
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The land and freshwater gastropods collected in Cuba by M.G. Rutten Article
Bulletin Zoologisch Museum, 1(15), 221-232.January 1970
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Cladobotryum-Konidienformen von Hypomyces-Arten Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 340(1), 95-110.January 1970
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A contribution to the wood anatomy of the Cinchoneae, Coptosapelteae and Naucleeae (Rubiaceae) Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 337(1), 154-164.January 1970
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Distally lobed integuments in some Angiosperm ovules Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 18(1), 67-70.January 1970
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Suggestions towards unification of descriptive terminology of Angiosperm pollen grains Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 344(1), 39-60.January 1970
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Notes on some birds from the island of Formosa (Taiwan) Article
Zoologische Mededelingen, 44(20), 285-304.January 1970
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A revision of four genera of the tribe Leguminosae-Caesalpinioideae-Cynometreae in Indomalesia and the Pacific Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 18(1), 1-52.January 1970