Colorado Weed Management Association: works to continually preserve and improve the natural resources of our beautiful state on public and private lands. Members of the CWMA enjoy a Colorado-wide network of people active in preserving the state's natural resources from the threat of noxious weeds.
PlantTalk Colorado(TM) : Information on Colorado noxious weeds, Weed Management for Small Rural Acreages, Range and Pasture. Provided by Colorado State University Cooperative Extension.
USDA Natural Resource Conservation Service : This site provides seeding recommendations and plant identification tools.
Colorado Dept.of Agriculture Division of Plant Industry: committed to a better quality of life by serving the citizens of Colorado, improving the environment, providing Consumer protection, assuring the integrity of agriculture and related industries through professionalism, communication, and teamwork.
Dupont Crop Protection : products for the grain and specialty crop sectors as well as forestry and vegetation management. It includes global herbicide, fungicide and insecticide products and services.
Dow Agrosciences : Providing pest management and biotechnology products.
BASF Corp.: Professional Vegetation Management site.
Helena Chemical Co.: crop protection products, agricultural chemicals, seed, fertilizer and related products, including Adjuvants, Seed Treatments, Nutritional's, Bio-Science and Value-Added Generic products. Also offers services in Turf & Ornamental products, forestry, aquatic and vegetation management.