Published in Gayana Botanica, in 1995, in volume 52, pages 1-5
Published in Gayana Botanica, in 1995, in volume 52, pages 7-28
Published in Gayana Botanica, in 1995, in volume 52, pages 29-32
Published in Gayana Botanica, in 1995, in volume 52, pages 33-43
Published in Gayana Botanica, in 1995, in volume 52, pages 45-47