> Verlagsreihe
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15.1997:
African plants biodiversity, taxonomy and uses; ... Harare, Zimbabwe edited by Jonathan Timberlake
Kew: Royal Botanic Gardens, 1999
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14.1994:
The biodiversity of African plants ... 22 - 27 August 1994, Wageningen, The Netherlands edited by L.J.G. van der Maesen
Dordrecht [u.a.]: Kluwer Academic Publishers, 1996