Oregon Department of Agriculture​​​​
Oregon Ryegrass Growers Seed Commission 
Oregon Seed Association​​
​Oregon State University Extension Services 
Oregon State University Seed Certification Services
​Oregon State University Seed Lab
​Oregon Tall Fescue Commission
Turfgrass Water Conservation Alliance

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​    Seed Trade Organizations           
Atlantic Seed Association
American Seed Trade Association
Pacific Seed Association
Western Seed Association 

Turf Industry Links
Cooperative Turfgrass Breeders Test 
Golf Course Superintendents Association
​National Turfgrass Evaluation Program
Noxious Weeds Program
Rutgers University
​Seed Today Magazine
​SportsTurf Managers Association 
Turfgrass Producers International
USDA Plant Variety Protection Act