Showing 1 - 4 results of 4 for search 'P. D. F. Kok', query time: 0.03s Refine Results
  1. 1
    POACEAE

    POACEAE by P. D. F. Kok

    Published 1981-11-01
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  2. 2
    The genera <i>Polygonum</i> and <i>Bilderdykia</i> (Polygonaceae) in southern Africa: morphology and taxonomic value of the ocrea and fruit

    The genera <i>Polygonum</i> and <i>Bilderdykia</i> (Polygonaceae) in southern Africa: morphology and taxonomic value of the ocrea and fruit by G. Germishuizen, P. J. Robbertse, P. D. F. Kok

    Published 1989-12-01
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  3. 3
    A key based on epidermal characteristics for the identification of certain highveld grasses

    A key based on epidermal characteristics for the identification of certain highveld grasses by P.D.F. Kok, H.P. van der Schijff

    Published 1973-07-01
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  4. 4
    POLYGONACEAE: <i>POLYGONUM HYDROPIPER</i> IN SOUTHERN AFRICA

    POLYGONACEAE: <i>POLYGONUM HYDROPIPER</i> IN SOUTHERN AFRICA by G. Germishuizen, P. D. F. Kok, P. J. Robbertse

    Published 1989-12-01
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