Biology incl. Palaeobiology: www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookTOC.html

Early evolution of Gymnosperms: www.geocities.com/Heartland/Plains/6761/ecycads

The Fossil Cycads: www.plantapalm.com/vce/evolution/fossils_index.htm

A History of Palaeozoic Forests: www.uni-muenster.de/GeoPalaeontologie/Palaeo/Palbot/ewald.html

Links for Palaeobotanists: www.uni-wuerzburg.de/mineralogie/palbot1.html