Each county office should have a copy of the Southern Weed Science Society Weed ID Guide, which is one of the best weed identification manuals available. Copies of this publication can be ordered from The Southern Weed Science Society, 1508 West University Avenue, Champaign, IL 61821-3133 at a cost of $90. A compact-disc ROM version is also available for $90.

Another good publication is Weeds of Southern Turfgrasses. This publication can be ordered from the Alabama Cooperative Extension Service, Duncan Hall, Auburn, AL 36849, University of Florida Publications, P. O. Box 110011, Gainesville, FL 32611-0011, or Agricultural Business Office, box 109 Conner Hall, The University of Georgia, Athens, GA 30602. This publication costs $8 from either source.

Poisonous Plants of the Southeastern United States is available for $4 from John Byrd, Department of Plant and Soil Sciences, Box 9555, Mississippi State, MS 39762.

Wildflowers of Mississippi, ISBN: 0-87805-395-6, printed by University Press of Mississippi, 3825 Ridgewood Road, Jackson, MS 39211

Weeds of the West, ISBN: 0-941570-13-4, printed by Pioneer of Jackson Hole, 132 West Gill Street, Jackson, Wyoming 83001.

Weeds of the Northeast, ISBN: 0-8014-8334-4, printed by Cornell University Press, Sage House, 512 East State Street, Ithaca, NY 14850.

Weeds of Nebraska and the Great Plains, ISBN: 0939870-00-4, printed by the Nebraska Department of Agriculture, Bureau of Plant Industry, P. O. Box 94756, Lincoln, NE 68509-4756.

In addition, there are promotional type weed identification reference guides available from agrichemical dealers.