Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 3, pages 296-303

Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 3, pages 304-311

Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 3, pages 312-313

Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 3, pages 313-314

Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 3, pages 315

Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 4, pages 317-319

Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 4, pages 320-327

Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 4, pages 328-333

Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 4, pages 334-347

Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 4, pages 348-351

Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 4, pages 352-353

Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 4, pages 353-354

Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 4, pages 354-355

Published in Sida, Contributions To Botany, in 1980, in volume 8, issue 4, pages 355