- Turfgrass Disease Images [U. of Guelph (Ontario)]
- Major Diseases of Turf Grasses in Western Canada [Alberta Agriculture, Food and Rural Development]
- Diagnosing Common Northern Lawn Diseases [University of Maryland]
- Maryland Turfgrass Disease Control Recommendations
- Disease-like Problems on Turfgrasses [NCSU TurfFiles]
- Diseases of Tall Fescue [NCSU TurfFiles]
- Diseases of Warm-Season Grasses [NCSU TurfFiles]
- Diseases of Turfgrass on Athletic Fields [NCSU TurfFiles]
- Diseases of Bentgrass [NSCU TurfFiles]
- Diseases of Turfgrass on Athletic Fields [North Carolina]
- Soil Fertility, pH and Diseases of Turfgrasses [IPM Alabama]
- Management of Turfgrass Pests [Ohio State Ext]
- Turf Tips [Purdue U.] Indiana]
- Managing Lawn Diseases [Purdue U.]
- Microscopic Identification Key for Turfgrass Diseases [University of Wisconsin-Maidson]
- Turfgrass Disease Diagnostic Laboratory [University of Wisconsin-Maidson]
- Molecular Methods for Identification of Turfgrass Pathogens [University of Wisconsin-Extension]
- Plant Health Services [University of Wisconsin-Madison]
- Plant Disease Management Information [Agri. Electronic Bulletin Board, Missouri]
- Turfgrass Disease Management [U of Missouri-Columbia]
- Plant Disease Management Information [U. of Missouri Extension Docs.]
- Plant Diseases [Nebraska extension titles]
- Extension Plant Pathology [Kansas State Extension Docs]
- Watering Turfgrass and Disease Potential: Leaf Wetness [Colorado Ext. Doc.]
- Disease Control in Home Lawns EB0938 (Revision November 1994) [WSU Extension]
- IPM Prescriptions for Some Common Diseases of Ornamental Plants and Turfgrasses [Oregon]
- Guidelines: Pests of Turfgrass [UC Davis Ext. Doc.]
- Texas Plant Disease Handbook
- Diseases of Turfgrass [APSnet] The American Phytopathological Society]
- Illustrated Encyclopaedia of Forage Crop Diseases [Japan]
- Biological Control – Plant Pathology Internet Guide Book [PPIG] U. of Bonn, Germany]
- The Plant Pathology Internet Guide Book [U. of Bonn, Germany]