newsletterlibrary.com
Top : Science : Biology : Flora and Fauna : Plantae :
Gnetophyta

Categories
Ephedraceae 
Gnetum 
Welwitschia 

Websites
Slide show introduction to the group.
site exerpt
Gnetophyta: An Enigmatic Group of Seed Plants  Gnetophyta: An Enigmatic Group of Seed Plants 3/4/98 Click here to start Table of Contents Gnetophyta: An Enigmatic Group of Seed Plants A Class of Only Three Orders and as Many Genera Ephedra Gnetum Welwitschia mirabilis Peculiarities of Welwitschia...
http://www.biology.ualberta.ca/courses.hp/bot511/

A few images of each family.
http://www.science.siu.edu/landplants/Gnetophyta/gnetophyta.html

Characteristics of the group, with representative images.
site exerpt
Psilophuyta  Return to phylum directory Living Genera: Ephedra Gnetum Welwitschia Phylum including three extant families and four genera. This lineage dates back only to the early Cretaceous in the fossil record and is widely considered to...
http://botit.botany.wisc.edu/cou...Phyla/Gnetophyta/Gnetophyta.html