Published in Gayana Botanica, in 1996, in volume 53, pages 1-263

Published in Gayana Botanica, in 1996, in volume 53, pages 265-276

Published in Gayana Botanica, in 1996, in volume 53, pages 285-294

Published in Gayana Botanica, in 1996, in volume 53, pages 295-315

Published in Gayana Botanica, in 1996, in volume 53, pages 317-328

Published in Gayana Botanica, in 1996, in volume 53, pages 329-333

Published in Gayana Botanica, in 1996, in volume 53, pages 335-345

Published in Gayana Botanica, in 1996, in volume 53, issue 2, pages 277-284