Published in Sida, Contributions To Botany, in 1963, in volume 1, issue 3, pages 109-116

Published in Sida, Contributions To Botany, in 1963, in volume 1, issue 3, pages 117-170

Published in Sida, Contributions To Botany, in 1963, in volume 1, issue 3, pages 171-179

Published in Sida, Contributions To Botany, in 1963, in volume 1, issue 3, pages 180-181

Published in Sida, Contributions To Botany, in 1963, in volume 1, issue 3, pages 182

Published in Sida, Contributions To Botany, in 1963, in volume 1, issue 3, pages 184-185

Published in Sida, Contributions To Botany, in 1963, in volume 1, issue 3, pages 185-186