Published in Gayana Botanica, in 1984, in volume 41, pages 61-84
Published in Gayana Botanica, in 1984, in volume 41, pages 85-118
Published in Gayana Botanica, in 1984, in volume 41, pages 119-126
Published in Gayana Botanica, in 1984, in volume 41, pages 127-135
Published in Gayana Botanica, in 1984, in volume 41, pages 201-224
Published in Gayana Botanica, in 1984, in volume 41, issue 2, pages 53-60