Published in Gayana Botanica, in 2001, in volume 58, pages 1-12
[Epiphytic pteridophytes found in the Cyatheaceae and Dicksoniaceae from cloud forests of Venezuela]
Published in Gayana Botanica, in 2001, in volume 58, pages 13-23
Published in Gayana Botanica, in 2001, in volume 58, pages 25-30
Published in Gayana Botanica, in 2001, in volume 58, pages 31-46
Published in Gayana Botanica, in 2001, in volume 58, pages 103-113
Published in Gayana Botanica, in 2001, in volume 58, pages 115-122
Published in Gayana Botanica, in 2001, in volume 58, pages 123-132
Published in Gayana Botanica, in 2001, in volume 58, pages 133-137
Published in Gayana Botanica, in 2001, in volume 58, pages 139-142
Published in Gayana Botanica, in 2001, in volume 58, pages 143-152
Published in Gayana Botanica, in 2001, in volume 58, pages 153-161