Bibliography

    Books:

  1. Cobb, Brighton. A Field Guide to the Ferns. Boston: Houghton Mifflin, 1963.
  2. Vitt, Dale H.; Janet E. Marsh; and Robin B. Bovey. Mosses, Lichens, and Ferns of Northwest North America. Edmonton AB: Lone Pine Publishing, 1988.
  3. Camus, Josephine M.; A. Clive Jermy; and Barry A. Thomas. A World of Ferns. London: Natural History Museum Publications, 1971.
  4. Grounds, Roger. Ferns. London: Pelham Books, 1974.
  5. Lellinger, David B. A Field Manual of the Ferns and Fern-Allies of the United States and Canada. Washington: Smithsonian Institution Press, 1985.

    Websites:

  6. NatureServe Explorer
  7. A Classification of the Ferns and Their Allies
  8. Various URLs