Published in Journal of South African botany, in 1983, in volume 49, issue 3, pages 243-249

Created: 2024-09-04, modified: 2024-09-04

Published in Journal of South African Botany, in 1981, in volume 47, issue 4, pages 829-836

Created: 2024-09-24, modified: 2024-09-24

Published in Journal of South African Botany, in 1982, in volume 48, issue 1, pages 93-103

Created: 2024-09-04, modified: 2024-09-04