Published in Gayana Botanica, in 1987, in volume 43, pages 3-14
Published in Gayana Botanica, in 1987, in volume 43, pages 19-46
Published in Gayana Botanica, in 1987, in volume 43, pages 47-110
Published in Gayana Botanica, in 1987, in volume 43, issue 1-4, pages 15-18
Published in Gayana Botanica, in 1987, in volume 43, issue 1-4, pages 149-150
Published in Gayana Botanica, in 1987, in volume 44, pages 3-16
Published in Gayana Botanica, in 1987, in volume 44, pages 17-24
Published in Gayana Botanica, in 1987, in volume 44, pages 25-32
Published in Gayana Botanica, in 1987, in volume 44, pages 33-38
Published in Gayana Botanica, in 1987, in volume 44, pages 39-44
Published in Gayana Botanica, in 1987, in volume 44, pages 45-54
Published in Gayana Botanica, in 1987, in volume 44, pages 55-60
Published in Gayana Botanica, in 1987, in volume 44, pages 61-84
Published in Gayana Botanica, in 1987, in volume 44, pages 85-88
Published in Gayana Botanica, in 1987, in volume 44, issue 1-4, pages 89-92