van Wyk, A. E., H.G.W.J. Schweickerdt Herbarium, Department of Botany, University of Pretoria, South Africa
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Vol 36, No 1 (2006) - Notes on African Plants
AMARYLLIDACEAE: A NATURAL HYBRID IN THE GENUS CLIVIA
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Vol 31, No 1 (2001) - Original Research
The genus Ehretia (Boraginaceae: Ehretioideae) in southern Africa
Abstract PDF