- Clemson University College of Agriculture, Forestry, and Life Sciences
- Colorado State University College of Agricultural Sciences
- Cornell University College of Agricultural and Life Sciences
- Cornell University Forage Course
- Cornell University Poisonous Plants Page
- Ecology & Evolutionalry Biology at the University of Connecticut
- Extension Forage and Livestock
- Forage Research Program in Plant & Soil Sciences at Texas Tech University
- Kansas State University College of Agriculture
- Michigan State University College of Agriculture and Natural Resources
- Mississippi State (David Lang, MSU Forage Extension)
- Mississippi State University
- Mississippi State University - College of Agriculture and Life Sciences
- Montana State University College of Agriculture
- MSU Cares - Coordinated Access to the Research and Extention System
- MSU Cares - Publications
- National Academy of Sciences
- North Carolina State University College of Agriculture and Life Sciences
- North Dakota State University College of Agriculture
- Ohio State University College of Food, Agricultural, and Environmental Sciences
- Oklahoma State University Division of Agricultural Sciences and Natural Resources
- Oregon Forages
- Oregon State University College of Agriculture
- Pennsylvania State University College of Agricultural Sciences
- Purdue University College of Agriculture
- South Dakota State University College of Agriculture and Biological Sciences
- Texas A&M University College of Agriculture and Life Sciences
- The Vermont Crops and Soils Homepage
- UC Davis College of Agriculture and Environmental Sciences
- UC SAREP Cover Crop Resource Page
- University of Arizona College of Agriculture
- University of Arkansas College of Agricultural, Food and Life Sciences
- University of Georgia College of Agricultural and Environmental Sciences
- University of Idaho College of Agriculture University of Idaho College of Agriculture
- University of Illinois College of Agricultural, Consumer, and Environmental Sciences
- University of Kentucky, Lexington College of Agriculture
- University of Maine College of Natural Sciences, Forestry and Agriculture
- University of Maryland College of Agriculture and Natural Resources
- University of Massachusetts College of Food and Natural Resources
- University of Missouri, Columbia College of Agriculture, Food, and Natural Resources
- University of Nebraska College of Agricultural Sciences and Natural Resources
- University of New Hampshire College of Life Sciences and Agriculture
- University of Rhode Island College of Environment and Life Sciences
- University of Vermont College of Agriculture and Life Sciences
- University of Wisconsin - Extension Forage Resources
- University of Wisconsin - Extension Team Forage
- University of Wisconsin, Madison College of Agriculture and Life Sciences
- University of Wyoming College of Agriculture
- Utah State University College of Agriculture
- Virginia Tech College of Agriculture and Life Sciences
- Washington State University College of Agriculture and Home Economics
- West Virginia State University College of Agriculture, Forestry and Consumer Economics