This site was designed to provide a place to learn about the anatomy and physiology of tree bark, fungal canker diseases that affect tree bark, the wound responses of injured tree bark, and the role of wound responses in the resistance of living tree bark to wound pathogens. This site is an international forum of discussion and diffusion on Azolla. Ceratopteris - A Simple Model Plant System, USA Ferns and Man in New Guinea , from Australia. The Iso tes Page . Natural history of these fern allies is described.
Studies are concerned with anatomy, morphology, taxonomy, karyology.
The site was made and is maintained by dr. John Knouse on Ferns and Fern Allies . Clasification, bibliography, lcoal checklists etc. The essays are transcripts of talks given in Humboldt County in 1965 by professors of the U.C. Berkeley School of Forestry. They were duplicated on mimeographed paper, and filed in the U.C. Berkeley Forestry Library.