Welwitschia
Conservation of Welwitschia mirabilis, Welwitschia mirabilis, Welwitschia mirabilis, Welwitschia mirabilis, West of Brandberg
Gnetophyta
A few images of each family.
Gnetophyta: An Enigmatic Group of Seed Plants
Slide show introduction to the group.
Phylum Gnetophyta (Vessel Bearing Gymnosperms)
Characteristics of the group, with representative images.