South African Journal of Botany
South African Journal of Botany > 1996 > 62 > 6 > 306-315
South African Journal of Botany > 1996 > 62 > 6 > 296-305
South African Journal of Botany > 1996 > 62 > 6 > 306-315
South African Journal of Botany > 1996 > 62 > 6 > 296-305