Publication
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Studies on Colombian cryptogams XIII. Oil bodies and terpenoids in Lejeuneaceae and other selected Hepaticae Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 512(1), 231-248.January 1981
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A Biosystematic Study of Neohattoria herzogii (Hatt.) Kamim Article
Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht, 509(1), 23-30.January 1981
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The identity, distribution and synonymy of Lembeja papuensis Distant, 1897 (Homoptera, Tibicinidae) Article
Bulletin Zoologisch Museum, 8(7), 53-62.January 1981
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Three dwarf lycophytes from the Carboniferous of Argentina*) Article
Scripta Geologica, 1-35.January 1981
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The Sternoptychidae (Pisces, Stomiatoidei) of the Amsterdam Mid North Atlantic Plankton Expedition 1980, with a note on specimens intermediate between Argyropelecus aculeatus Valenciennes, 1849 and A. olfersi (Cuvier, 1829) Article
Beaufortia, 31(4), 97-106.January 1981
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Amphibolites and other metamorphic mafic rocks of the blastomylonitic graben in Western Galicia, NW Spain: field relations and petrography Article
Leidse Geologische Mededelingen, 52(1), 57-71.January 1981
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Comparative morphology of the gametophyte of some Thelypteroid ferns Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 27(1), 239-254.January 1981
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Pithosira and Xenoplaca, two dematiaceous Hyphomycete genera from South America Article
Persoonia - Molecular Phylogeny and Evolution of Fungi, 11(3), 387-389.January 1981