Food chains and food webs illustrate how different specie get energy. Plants are the basis for energy that flows through a food web. Freshwater ecosystems have cattails, duck weed, moss and other plants that provide good energy source for the primary plant eaters. Find out how the energy flows up through the food chain.

A Prairie Land's Companion
A Prairie Land's Companion, USDA Agriculture Research Service, Photo and description of switchgrass.
http://www.ars.usda.gov/is/AR/archive/sep07/prairi...
Blue grama - Wikipedia
Blue grama Wikipedia.org Blue grama (Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths) is a long-lived, warm season, C4 perennial grass native to North America. It is most commonly found f
http://en.wikipedia.org/wiki/Bouteloua_gracilis
Blue Grama Grass
Blue Grama Grass, West Tisbury Elementary School, BluePlanetBiomes.com, Created by students for students; includes a photo and description.
https://blueplanetbiomes.org/blue_grama_grass.php
Coyote Brush
Coyote Brush BayAreaHiker.com Close-up pictures of the coyote brush; click to enlarge.
http://www.bahiker.com/plantpages/coyotebrush.html
EEK! Vegetation Fascination, Prairie Plants
EEK! Vegetation Fascination, Prairie Plants, Wisconsin Department of Natural Resources, Click on the name of a plant for a description and illustration.
http://dnr.wi.gov/org/caer/ce/eek/veg/plants/prair...
Grassand Plants
Grassand Plants, Missouri Botanical Garden, Click on the arrows to navigate the site; click on a photo to enlarge.
http://www.mbgnet.net/sets/grasslnd/plants/1.htm
Grasses, Sedges, and Non-Flowering Plants of Illinois
Grasses, Sedges, and Non-Flowering Plants of Illinois, Illinois Wildflowers Info, Photos and descriptions of prairie plants.
http://www.illinoiswildflowers.info/grasses/grass_...
Indian Grass
Indian Grass, IllinoisWildflowers.info, Several large photos, description, and information on its habitat and the specie that eat it.
http://www.illinoiswildflowers.info/grasses/plants...
Indian Grass
Indian Grass, Kansas Wildflowers and Grasses, Scroll down past the description for several good photographs; click to enlarge.
http://www.kswildflower.org/grass_details.php...
Kansas Prairie Wildflowers
Kansas Prairie Wildflowers, Kansas State University, Click on a flower name for a picture and brief description.
http://spuds.agron.ksu.edu/wildflw.htm
Oklahoma Prairie Country
Oklahoma Prairie Country, Photos by Van Vives, Wildflowers are listed by the month they bloom; click on an image to enlarge. On the left side menu, click on "grasses" for images and description.
http://www.okprairie.com/Flowers.htm
Panicum virgatum - Switchgrass
Panicum virgatum - Switchgrass, Lady Bird Johnson Wildflower Center, Photos and plant description.
http://www.wildflower.org/plants/result.php...
Plants in the Grasslands
Plants in the Grasslands By Andrerees Provides description (no photos) of plants in North America's grasslands.
http://andrerees.tripod.com/id2.html
Prairie Ecosystems / Dennis NaturalistGuide
Prairie Ecosystems, Dennis NaturalistGuide, A picture and description of prairie grasses, wildflowers, flowering plants, fauna and trees.
http://prairieecosystems.pbworks.com/Dennis-Natura...
Prairie Wildflowers of Illinois
Prairie Wildflowers of Illinois by Dr. John Hilty IllinoisWildflowers.info Click on the name of a wildflower for description, habitat, pictures and cultivation.
http://www.illinoiswildflowers.info/prairie/plant_...