Title: USDA Noxious Weeds
URL: https://plants.usda.gov/java/noxiousDriver
Detail: This site is set up to prevent the introduction of non- indigenous invasive plants within the US. It has a fairly comprehensive list of Fact sheets and weed alerts. You can learn more about “weeds” on this site and it’s links than you probably want to know. Includes information about integrated management of weeds, including biological controls.