Prairie Wildflowers of Illinois - Descriptions and photographs of Prairie Wildflowers in Illinois. Also includes cultivation requirements, range maps, floral-fauna associations, and other information. - http://www.illinoiswildflowers.info/prairie/plant_index.htm
Prairie Plains Resource Institute - Land trust specializing in prairie and wetland protection and restoration in Nebraska, USA. - http://www.prairieplains.org/
Midewin National Tallgrass Prairie - Describes the largest prairie east of the Mississippi River, including natural history, visitor information, field notes, gallery of photos, a downloadable restoration plan and quarterly publication about this prairie. - http://www.fs.fed.us/mntp
Database of Flower-Visiting Insects - A database of insects species that visit prairie wildflowers in Illinois and the Midwest. - http://www.shout.net/~jhilty
Tall Grass Prairies of Illinois - Introduction to different kinds of tallgrass prairies in Illinois, describing their history, animals and plants. Includes many photos of prairie plants. - http://www.inhs.uiuc.edu/~kenr/tallgrass.html
Effects of ozone on grassland plant diversity - Research conducted by the Air Pollution / Climate Research Group on the effects of ozone (air pollutant) on the biodiversity of grassland - http://www.uni-giessen.de/biostress/web_swiss/
Northern Prairie Biological Resources - Plants and animals of the U.S. northern Great Plains. Species identification, population declines, searchable by type, taxon, or geography. - http://www.npwrc.usgs.gov/resource/resource.htm
Tallgrass Ontario - This action oriented network of organizations and individuals seeks to identify, conserve, manage and restore tallgrass prairie, savanna and related ecological communities in Ontario, Canada. - http://www.tallgrassontario.org/
British Columbia Grasslands Conservation Council - A link between British Columbia and other grassland related programs in Canada, the United States, and the world. - http://www.bcgrasslands.org/
Konza Prairie - The Konza Prairie Research Natural Area (KPRNA) is representative of native tallgrass prairie in the Flint Hills of eastern Kansas. - http://climate.konza.ksu.edu/
Kasota Prairie - A 90-acre portion of the great prairies which covered one third of Minnesota before 1850. Juniper and oak forest the river side of the prairie, which lies on the bluffs of the Minnesota River Valley in south central Minnesota. Set aside as a preserved pr - http://www.skp.org/