Published in Sida, Contributions To Botany, in 1973, in volume 5, issue 2, pages 59-60

Published in Sida, Contributions To Botany, in 1973, in volume 5, issue 2, pages 129-130

Published in Sida, Contributions To Botany, in 1973, in volume 5, issue 2, pages 130

Published in Sida, Contributions To Botany, in 1973, in volume 5, issue 2, pages 131-132

Published in Sida, Contributions To Botany, in 1973, in volume 5, issue 2, pages 132-135

Published in Sida, Contributions To Botany, in 1973, in volume 5, issue 2, pages 135

Published in Sida, Contributions To Botany, in 1973, in volume 5, issue 2, pages 136

Published in Sida, Contributions To Botany, in 1973, in volume 5, issue 3, pages 137-179

Published in Sida, Contributions To Botany, in 1973, in volume 5, issue 3, pages 180-181

Published in Sida, Contributions To Botany, in 1973, in volume 5, issue 3, pages 182

Published in Sida, Contributions To Botany, in 1973, in volume 5, issue 3, pages 190