Published in Gayana Botanica, in 1998, in volume 55, pages 1-10
Published in Gayana Botanica, in 1998, in volume 55, pages 11-15
Published in Gayana Botanica, in 1998, in volume 55, pages 17-21
Published in Gayana Botanica, in 1998, in volume 55, pages 23-83
Published in Gayana Botanica, in 1998, in volume 55, pages 85-88
Published in Gayana Botanica, in 1998, in volume 55, pages 89-92
Published in Gayana Botanica, in 1998, in volume 55, pages 93-110
Published in Gayana Botanica, in 1998, in volume 55, pages 111-185
Published in Gayana Botanica, in 1998, in volume 55, pages 187-211