Additional
Information: The Gnetophyta are a division of the plant kingdom, included among the gymnosperms. Living representatives are found in 3 families in the Class Gnetopsida, Order Gnetales. These three families are Gnetacaea (Gneturns), Welwitschiaceae (Welwitschia), and
Phylum Gnetophyta (Vessel Bearing Gymnosperms)
Characteristics of the group, with representative images. http://botit.botany.wisc.edu/courses/systematics/Phyla/Gnetophyta/Gnetophyta.html