Results of phytosanitary division into districts of the territory of the Lipetsk region concerning weed plants are given in this work. The specific composition of weed plants of the region, relevant at the present stage, is revealed. The species dominating by occurrence both for the territory of the area in general, and for certain agroclimatic areas and also taking into account crops (groups of crops) are allocated. Results of phytosanitary division into districts are visualized by a cartographic method. The provided information is intended for the staff of scientific research institute of an agricultural profile, Rosselkhozcentre, agricultural experimental stations; teachers and students of agrarian higher education institutions; heads and agronomists of farms, agronomists, producers of herbicides.