South African Journal of Botany
South African Journal of Botany > 1996 > 62 > 6 > 316-320
South African Journal of Botany > 1997 > 63 > 2 > 100-103
South African Journal of Botany > 2008 > 74 > 2 > 288-294
South African Journal of Botany > 2009 > 75 > 3 > 456-465
South African Journal of Botany > 2009 > 75 > 3 > 445-455
South African Journal of Botany > 2011 > 77 > 2 > 506-508