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Vascular Plant Families - Trees & Shrubs - Gymnosperms - Wildflowers - Graminoids
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Choose one of the links above for a list of plant-related websites about that category. Selected websites include only non-commercial, free-access sites that do not require passwords. The links provided have all been checked as of April 18, 2008, but visitors should note that most large websites have a regular downtime for editing and uploading more information. Often, this downtime occurs on the weekends, especially Sunday night (students take note!). If you find a link that doesn't work, try that site again at a different time or on a different day; if it still does not work, please report the problematic link to the NOPD.

Pteridophytes

A Classification for Extant Ferns
http://www.pryerlab.net/publication/fic hier749.pdf
This .pdf file is a recent article (Smith, A.R., K.M. Pryer, E. Schuettpelz, P. Korall, H. Schneider, and P.G. Wolf. 2006. A classification for extant ferns. Taxon 55(3): 705-731) on fern classification at the family level. It divides the paraphyletic Dryopteridaceae into much more logical families, such as placing the dimorphic genera Matteuccia and Onoclea in the family Onocleaceae. Appendix 2 lists synonymy for the new accepted family names, which are printed in bold.

Connecticut Ferns
http://www.ct-botanical- society.org/ferns/index.html
A companion website to the Gallery of Connecticut Wildflowers from the Connecticut Botanical Society; great closeup images of sori. A very useful identification aide.

FloralImages - Ferns of the UK and Ireland
http://www.floralimages.co.uk/ferns.htm
Ferns and horsetails from John Crellin's excellent FloralImages website.

Michigan Ferns
http://homepage.mac.com/chpeirce/fe rns/index.html
A very useful website with excellent digital images of ferns found in Michigan. A companion website to Charles Peirce's Michigan Wildflowers. Most of the images are habit shots, which will assist in field identification. All of the species featured in this website are also found in northern Ontario.

Non-Flowering Vascular Plant Family Access Page
http://www.botany.hawaii.edu/ faculty/carr/nfpfamilies.htm
Another part of the Gerald D. Carr's excellent website on vascular plants from the University of Hawaii; includes excellent images of Pteridophytes.

Ontario Ferns
http://ontarioferns.com/
A very thorough website about ferns native to Ontario, with wonderful photographs by Walter Muma. Access the species from this list of scientific names.

PhytoImages
http://www.phytoimages.siu.edu/
A comprehsive website from Southern Illinois University that presents numerous scanned, digital, and microscopic images of plants. Select by Order, listed along the left margin, or click on the button Image by Family to access the list of angiosperms, gymnosperm, and pteridophyte families.

Pteridophytes of Commanster, Belgium
http://popgen.unim aas.nl/~jlindsey/commanster/Plants/Ferns/ferns.html
A website with excellent habitat and closeup images of Belgian ferns and fern allies, part of the Ecology of Commanster website by Jim Lindsey. Plants are organized according to scientific name, but common names are provided in English, French, Dutch, and German.

Pteridophytes of the Southeastern U.S.
http://www.cas.vanderbilt.edu/bioimages/index/non-seed-sci.htm
A pteridophyte website from Bioimages, hosted by Vanderbilt University, Nashville, TN.

Pteridophytes of Wisconsin: Ferns & Fern Allies
http://www.uwgb.edu/biodiversity/herbarium/pteridophytes/pteridophytes_of_wisconsin01.htm
An extremely well-constructed website, by Gary Fewless, of the Cofrin Center for Biodiversity, University of Wisconsin-Green Bay, which includes an interactive key to Ferns and Fern Allies of Wisconsin and an excellent interactive glossary to terms relating to ferns and fern allies.

The Lycopodium obscurum Complex
http://www.cas.muohio.edu/botany/bot/Hickey/lycopodium.htm
This article by Dr. James Hickey clearly describes the differences between the often confused Lycopodium obscurum, L. hickeyi, and L. dendroideum.


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