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