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PDF 23 pages 54 weed species identified by Andrew J. Chomas, James J. Kells, J. Boyd Carey Department of Crop and Soil Sciences Michigan State...

PDF 5 pages 31 weed species identified by Dr. John Boyd and Dr. Jim Robbins, University of Arkansas Division of Agriculture. This list reflects...

PDF 4 pages 60 weed species identified by SmallFarms.net Australia. Photographs kindly supplied with the assistance of NSW Department of Primary...

PDF 102 pages 33 weed species identified by James H. Miller, Research Ecologist, USDA Forest Service, Southern Research Station, Auburn University,...

PDF 24 pages 45 weed species identified by University of Missouri-Columbia, Purdue University, Kansas State University, Ohio State University,...

PDF 24 pages 13 weed species identified by Anthony Cortilet Research Scientist Minnesota Department of Agriculture. Noxious Weeds of Minnesota 11...

PDF 2 pages 15 species by By Krishona Martinson, PhD, University of Minnesota Extension: Identification And Control Of Minnesota Primary Noxious...

PDF 6 pages 47 weed species images by Alabama Cooperative Extension System: Mike Patterson, Extension Weed Scientist, Professor, and Dale Monks,...

PDF 5 pages 31 images-species by University of Arkansas, United States Department of Agriculture, and County Governments Cooperating. Identification...

PDF 11 pages 12 images 100 species of animals, plants and weeds identification by ISSG. The Invasive Species Specialist Group (ISSG) is a New...