Equisetum Links
General
 1. U.K. National Collection of Equisetum
2. Equisetum biology
3. Equisetum in the World Fern Database
4. Equisetum images (University of Wisconsin)
5. Pteridophyte links (Australian National Herbarium)


Equisetum giganetum
1. E. giganteum in Argentina

Equisetum myriochaetum
1. E. myriochaetum in Mexico

Equisetum x schaffneri

Unidentified giant Equisetum
1. Stem biomechanics of giant Equisetum

Medicinal uses of giant horsetails
1. Argentina
2. Bolivia
3. Brazil
4. Mexico
5. Peru

Extinct sphenopsids
1. Overview of living and extinct sphenopsids
2. History of Palaeozoic Forests:  Fossil and Extant Sphenophytes
3. Calamites (tree sized horsetails with woody stems!)
4. Calamites reconstruction with links to fossil photos
5. Computer graphics reconstruction of Calamites. (very nice!)
6. Equisetites areanceus (another extinct giant, with stems reaching 25 cm in diameter, Kelber , personal communication)
7. Carboniferous horsetails

Silicon in plant nutrition
1.  "Silicon:  The Estranged Medium Element"
2.  Silicon and abiotic stress

Searchable online herbaria & other botanical databases
1. W3TROPICOS
2. New York Botanical Garden
3. Manual de la Flora de Costa Rica
3. Searchable Living Collections at Botanical Gardens

Societies
1. The American Fern Society
2. The British Pteridological Society
3. The Tropical Fern and Exotic Plant Society


If you have any comments or questions, please contact the author, Chad Husby ( chad.husby@fiu.edu or husby.1@osu.edu )

© Chad E. Husby 2002

Last updated March 19, 2003

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