Published in Gayana Botanica, in 1995, in volume 52, pages 1-5

Published in Gayana Botanica, in 1995, in volume 52, pages 7-28

Published in Gayana Botanica, in 1995, in volume 52, pages 29-32

Published in Gayana Botanica, in 1995, in volume 52, pages 33-43

Published in Gayana Botanica, in 1995, in volume 52, pages 45-47