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 Weeds of the North Central StatesNCR Publication No. 281 Publications Distribution, Iowa State University Selected Weeds of the United StatesAg. Handbook No. 366 Supt. of Documents U.S. Government Printing Office Washington, D.C. 20402 Identifying Seedling + Mature WeedsNorth Carolina State University (Raleigh) AG-208. Bull No. 461 Weed Identification Guide Southern Weed Science Society309 West Clark Street Champaign, Illinois 61820 Poisonous Plants of the MidwestEvers and Link Special Publication 24 University of Illinois Ag. Publications Office 1301 West Gregory Drive Urbana, Illinois 61801 Vegetative Identification of Common Row
Crop WeedsUniversity of Illinois College of Agriculture Vo-Ag Service 1401 South Maryland Drive Urbana, Illinois 61801 Poisonous Plants of the United States
and CanadaJohn M. Kingsbury, 1964 Prentice-Hall, Inc. Englewood Cliffs, New Jersey |
The Audubon Society Field Guide to
North American Wildflowers Eastern Region Chanticleer Press Edition Nebraska WeedsNebraska Department of Agriculture State Capitol Lincoln, Nebraska 68509 Keys to Iowa Vascular PlantsRichard W. Pohl Iowa State University, 1975 Lawn Weeds and their ControlNCR Publication No. 26 Vine Weeds of the North Central StatesNCR Publication No. 33 University of Illinois Circular 1075 Ag. Publications Office 1301 West Gregory Urbana, Illinois 61801 How to Know the GrassesRichard W. Pohl Iowa State University Common Aquatic WeedsAg. Handbook #352 (USDA) U.S. Government Printing Office Washington, DC 20402 Common Weed Seedlings of the UnitedStates and Canada W.S.S.A. 309 West Clark Street Champaign, Illinois 61820 |
