Internet Resources
Internet Resources thompsbbExcellent up-to-date information about controlling invasive species is available on the web. Take advantage of the following websites.
Weed and Invasive Species Information
According to the Missouri Department of Conservation's Invasive Plants website, invasive yellow sweet clover has exploited many Midwestern prairies with its ability to set thousands of seeds that remain viable for decades. Iowa Weed Commissioners: This website includes weed identification brochures from nearby states and the Hawkeye Cooperative Weed Management Area. It also has presentations about products and calibration sheets.
- Midwest Invasive Plant Network Invasive Plant Control Database: Information on controlling common Midwest invasive plants.
- Invasive Plant Fact Sheets: This information is from the Pennsylvania Department of Conservation and Natural Resources, though many of the species covered are also troublesome in Iowa. The fact sheets discuss the identification, distribution, and biology of invasive plants.
- Invasive Plants | Missouri Department of Conservation: These pages outline the identification and control of many invasive and troublesome species common to Iowa.
- Weed Science | University of Wisconsin-Madison: Good general invasive plant management information and fact sheets from the University of Wisconsin’s Integrated Pest and Crop Management program.
- Invasive Plant Atlas of the United States: Many of Iowa’s invasive/nuisance plants are included in this list of invasive species of the Eastern United States. Pictures and control methods are provided.
Herbicide Information
- Herbicide Effectiveness on Invasive Plants in Wisconsin: This table details the effectiveness of 35 herbicides on 32 different invasive plants based on research and field observations.

Herbicide Suppliers
- Corteva Agriscience
- Envu
- Midwest Spray Team & Sales, Inc.
- Nutrien Solutions
- Van Diest Supply Company