National Invasive Species Information Center
U.S. Department of Agriculture

Resource Search

Provides access to all site resources, with the option to search by species common and scientific names. Resources can be filtered by Subject, Resource Type, Location, or Source. Search Help

Displaying 1 to 1 of 1

  • Ask Extension

    • University of Maryland. Cooperative Extension. Home and Garden Information Center.

    • Have a plant or pest question? Questions from Maryland and the District of Columbia are answered by Home and Garden Information Center’s Certified Professional Horticulturists. If you are located outside of these areas, you will be asked to enter your state and county. Your question will be forwarded to the appropriate extension expert.