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