Choose one of the categories above for a list of plant-related websites. Selected websites are all non-commercial, without advertisements, and free-access sites. The links provided have all been checked as of March 1, 2018; however, websites are occasionally moved or deleted without notice by the authors or sponsoring agency. If you do encounter a link that no longer works or a website that has changed location, please report the problematic link to the NOPD so that we can update the link.

Graminoids (grasses, sedges, and rushes)

British Grasses, Sedges, Rushes, and Ferns

Part of the excellent British Wildflowers website by John Somerville.

Catalogue of New World Grasses (Poaceae)

A searchable database of grass species in North America, providing the current accepted name, synonymy, and accurate literature citations. This ongoing work by Dr. R.J. Soreng et al. is part of the TROPICOS group of databases from the Missouri Botanical Garden.

CyberSedge

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 individual plant, perigynium, achene, spike, ligule, or scale drawings for an enlarged view. Compiled by Texas A&M University's Bioinformatics Working Group.

Similar in format to the Flora of the Canadian Arctic Archipelago, this comprehensive website provides detailed descriptions, distribution maps, and a few images of each North American species of Festuca, including those recently transferred to other genera.

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
• Rushes, Sedges, and Reeds of Commanster, Belgium

New Link: GrassBase – The Online World Grass Flora

A comprehensive website that included descriptions to all grass species in the world. Select from the lists of genera or species, or search by scientific name to access the descriptions; or use the online interactive key to identify an unknown grass.

Grass Manual on the Web

This companion website to the two 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 Univ., is currently offline while it undergoes major changes. This link will be reactivated once the website is back online.

Grasses of Iowa

A website from Iowa State University, with great habit photos, scanned images, and pen & ink illustrations of the diagnostic features of prairie grasses. Access species from the list of common or scientific names.

Grasses, Sedges, Rushes, and Non-Flowering Plants in Illinois

Excellent photographs, descriptions, and Illinois range maps for graminoid and pteridophyte plants. Part of the Illinois Wildflowers webpages by John Hilty.

Grasses, Sedges, and Rushes of Minnesota

Some of the best images of graminoids on the net can be found in this collection of Minnesota webpages, part of the excellent Minnesota Wildflowers website.

Kansas Grasses

A gallery of great 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 additional images.

Kansas Sedges, Rushes, Ferns and Related Plants

A beautiful website on the sedges, rushes, and pteridophytes of Kansas by Mike Haddock, with images and species descriptions, organized by scientific name, colour, or common name.

Texas Grass Images

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.