Published in Gayana Botanica, in 1999, in volume 56, pages 1-15

Published in Gayana Botanica, in 1999, in volume 56, pages 17-21

Published in Gayana Botanica, in 1999, in volume 56, pages 23-29

Published in Gayana Botanica, in 1999, in volume 56, pages 31-37

Published in Gayana Botanica, in 1999, in volume 56, pages 39-51

Published in Gayana Botanica, in 1999, in volume 56, pages 53-62

Published in Gayana Botanica, in 1999, in volume 56, pages 63-65

Published in Gayana Botanica, in 1999, in volume 56, pages 67-68

Published in Gayana Botanica, in 1999, in volume 56, pages 69-76

Published in Gayana Botanica, in 1999, in volume 56, pages 77-86

Published in Gayana Botanica, in 1999, in volume 56, pages 87-91

Published in Gayana Botanica, in 1999, in volume 56, pages 93-108

Published in Gayana Botanica, in 1999, in volume 56, pages 109-113

Published in Gayana Botanica, in 1999, in volume 56, pages 115-123

Published in Gayana Botanica, in 1999, in volume 56, pages 125-135

Published in Gayana Botanica, in 1999, in volume 56, pages 137-139

Published in Gayana Botanica, in 1999, in volume 56, pages 141-143