Vascular Plant Families -
Trees & Shrubs -
Gymnosperms -
Wildflowers -
Graminoids
Pteridophytes -
Bryophytes -
Lichens

Cultivated Plants -
Rare Plants -
Weeds & Invasive Species -
Poisonous Plants -
Ethnobotany -
First Nations

North America -
Canada -
U.S.A. -
Other Countries

Taxonomic Databases -
Miscellany - Glossaries & Dictionaries
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.
Graminoids (grasses, sedges, and rushes)
British Grasses, Sedges, Rushes, and Ferns
http://www.british-wild-flowers.co.uk/index%20grasses.htm
Part of the excellent
British Wildflowers
website by John Somerville.
Carex of Wisconsin
http://www.botany.wisc.edu/herbarium/carex/
A website from the University of Wisconsin - Madison Herbarium, with an
Introduction to Carex
that compares the Cyperaceae, Juncaceae, and Poaceae, and describes the basic features of the
genus
Carex. This link will bring you to the
species
list.
Catalogue of New World Grasses (Poaceae)
http://mobot.mobot.org/W3T/Search/nwgc.html
A searchable database of grass species in North America, providing the current accepted name,
synonymy, and accurate literature citations. This ongoing work by R.J. Soreng
et al. is
part of the TROPICOS databases from the Missouri Botanical Garden.
CyberSedge
http://www.csdl.tamu.edu/FLORA/carex/carexout.htm
The best website on
Carex species, featuring Harry Charles Creutzburg's excellent pen &
ink illustrations from Kenneth Kent Mackenzie's classic 1940 reference,
North American
Cariceae. Click on the drawings of the plant, perigynium, achene, and pistillate scales for an
enlarged view. Compiled by Texas A&M University's Bioinformatics Working Group.
Graminoids of Commanster, Belgium
Two websites with excellent images of Belgian grasses, sedges, and rushes, 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.
Grasses of Commanster, Belgium
http://popgen.unimaas.nl/~jlindsey/commanster/Plants/Grasses/grasses.html
Rushes, Sedges, and Reeds of Commanster, Belgium
http://popgen.unimaas.nl/~jlindsey/commanster/Plants/Grasses/sedges.html.
Grass Manual on the Web
http://herbarium.usu.edu/webmanual/
A companion website to the 2 Poaceae volumes of
Flora of North America (FNA) and
the
Manual of Grasses of North America project, edited by Mary Barkworth,
Intermountain Herbarium, Utah State University. Although still under construction, links are
available to distribution maps of all North American grass species. Eventually, links will be
available to the FNA treatments of each species, as well as illustrations, images, and
synonymy.
Grasses of Iowa
http://www.eeob.iastate.edu/research/iowagrasses/
A website from Iowa State University, with great habit photos, scanned images, and pen & ink
illustrations of the diagnostic features of prairie grasses. Access the species from this list of
scientific names.
Grasses, Sedges, and Non-Flowering Plants of Illinois
http://www.illinoiswildflowers.info/grasses/grass_index.htm
Excellent photographs, descriptions, and Illinois range maps. Part of the Wildflowers of Illinois
webpages by John Hilty.
Kansas Grasses
http://www.lib.ksu.edu/wildflower/grassindex.html
A gallery of very nice images of Kansas grasses by Mike Haddock, part of his Kansas
Wildflowers and Grasses website. Click on the thumbnails to see the species description and
other images of the same species. See also his image collection of
Kansas Sedges, Rushes, and
Other Grass-like Plants.
Ontario Grasses, Sedges, and Rushes
http://ontariograsses.com/
A newly expanded website on Ontario graminoids by Walter Muma. A very useful feature of this website is an
article on Carex by Carl
Rothfels, summarizing the traits of 60
Carex species from the Hamilton, Ontario,
region.
Texas Grass Images
http://www.csdl.tamu.edu/FLORA/image/poacr2ba.htm
A collection of excellent illustrations of grass species, including details of the spikelets and other
features, from the Bioinformatics Working Group, Texas A&M University. As with
CyberSedge, click on each small image to view a larger version.