Diseases of Ground Cover Plants  
   Fact sheet from Ohio State University on diseases and control measures.
   http://www.ag.ohio-state.edu/~ohioline/hyg-fact/3000/3064.html

Ground Covers  
   Introduction to choosing and planting. Focus is on the Southeast US and includes a zone map.
   http://www.ces.uga.edu/pubcd/L121.htm

Ground Covers: Their Establishment and Maintenance  
   Information from the University of Nebraska on selection, planting and maintenance.
   http://www.ianr.unl.edu/pubs/horticulture/g697.htm

About.com: Ground Covers, Plants, Cover Crops  
   Site deals with ground cover and the related subjects of cover crops and companion planting. Learn about ground covers to use for specific problem areas, and their care.
   http://www.landscaping.about.com/cs/groundcovers/index.htm

University of Nevada, Reno - Ground Covers  
   Features a list with tips on which plants to use, planting instructions, information on grooming and neglect, and maintenance of established plants.
   http://www.unce.unr.edu/publications/SP99/SP9912.pdf

Ground Cover Plants  
   Article on ground cover usage, advantages, and disadvantages. Includes a checklist of types of plants.
   http://www.pfaf.org/leaflets/grdcover.php