*All links were available and accurate as of November 22, 2013.*
Northern Great Plains Research Laboratory
United State Department of Agriculture - Agriculture Research Service (USDA-ARS)
Common Weed Seedlings of the North Central States
Common Weeds of No-till Cropping Systems Purdue University
Weed Pictures
NDSU Extension Service and the North Dakota Agricultural Experiment Stations Home Page
Crop Guides, Weed Control, Insect Management, etc.
North Central Soil Conservation Research Lab, Morris, Minnesota
Publications and software related to weeds
North Dakota State University Extension Service, Weeds and Control
Publications online and some in hard copy. Also, some identification tips
North Dakota Weed Control Guide
Pesticide Labels, CDMS
A free website with all current pesticide and adjuvant labels
Pesticide Labels: Greenbook Pesticide Reference Home Page
The "Green Bible" or "Blue Bible" contains labels for most pesticides currently labeled. Free service allows search and printing of labels.
Pesticides, U.S. Environmental Protection Agency
USDA Animal and Plant Health Inspection Service, Federal Noxious Weed List
USDA-Natural Resource Conservation Service
A database for identifying plants and other information
Weed Control in Small Grains
From Colorado State University, a lengthy slide show (80+ slides) with many excellent photos of weeds and recent herbicide information for small grains.
Weed Identification Resources, Iowa State
Weed Science Society
This also contains other weed links.
WeedCast 4.0 Software, produced by North Central Soil Conservation Research Lab, Morris, Minnesota