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  1. ALTERNATIVES FOR BIOLOGICAL RESOURCES IN AFRICA
    By: Ayensu, E S
    Type: Article
    In: Journal of the Washington Academy of Sciences.
    Volume: 66
    Date: 1976
    Page Range: 197--205
    Publication info: Washington [etc.,Washington Academy of Sciences]
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  2. MORPHOLOGY AND ANATOMY OF CROOMIA PAUCIFLORA (STEMONACEAE)
    By: Tomlinson, P B - Ayensu, E S
    Type: Article
    In: Journal of the Arnold Arboretum.
    Volume: 49
    Date: 1968
    Page Range: 260--277
    Publication info: Cambridge, Mass. :Arnold Arboretum, Harvard University [etc.],1919-
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  3. Studies On Pollen Morphology In The Velloziaceae
    By: Ayensu, E S
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 85
    Date: 1972
    Page Range: 469--480
    Publication info: Washington,Biological Society of Washington
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