Published in Gayana Botanica, in 1997, in volume 54, pages 1-14
Published in Gayana Botanica, in 1997, in volume 54, pages 15-17
Published in Gayana Botanica, in 1997, in volume 54, pages 19-30
Published in Gayana Botanica, in 1997, in volume 54, pages 31-37
Published in Gayana Botanica, in 1997, in volume 54, pages 39-52
Published in Gayana Botanica, in 1997, in volume 54, pages 53-59
Published in Gayana Botanica, in 1997, in volume 54, pages 61-88
Published in Gayana Botanica, in 1997, in volume 54, pages 89-90
Published in Gayana Botanica, in 1997, in volume 54, pages 91-156
Published in Gayana Botanica, in 1997, in volume 54, pages 157-162
Published in Gayana Botanica, in 1997, in volume 54, pages 183-187
Published in Gayana Botanica, in 1997, in volume 54, pages 189-192
Published in Gayana Botanica, in 1997, in volume 54, pages 193-194
Published in Gayana Botanica, in 1997, in volume 54, pages 195-197
Published in Gayana Botanica, in 1997, in volume 54, pages 199-220
Published in Gayana Botanica, in 1997, in volume 54, issue 2, pages 163-182