Published in Sida, Contributions To Botany, in 1987, in volume 12, issue 1, pages 10-12

Published in Sida, Contributions To Botany, in 1987, in volume 12, issue 1, pages 29-49

Published in Sida, Contributions To Botany, in 1987, in volume 12, issue 1, pages 51-56

Published in Sida, Contributions To Botany, in 1987, in volume 12, issue 1, pages 57-68

Published in Sida, Contributions To Botany, in 1987, in volume 12, issue 1, pages 69-74

Published in Sida, Contributions To Botany, in 1987, in volume 12, issue 1, pages 79-89

Published in Sida, Contributions To Botany, in 1987, in volume 12, issue 1, pages 91-99

Published in Sida, Contributions To Botany, in 1987, in volume 12, issue 1, pages 101-163

Published in Sida, Contributions To Botany, in 1987, in volume 12, issue 1, pages 246-249

Published in Sida, Contributions To Botany, in 1987, in volume 12, issue 2, pages 253-271