| ucdavis.edu | TNC Wildland Weeds Management & Research |
| fws.gov | Invasive Species Program - U.S. Fish and Wildlife |
| anstaskforce.gov | The New Ans Task Force Website! (updated On 6/12/00) |
| usda.gov | The Plants National Database |
| forestryimages.org | Forestry Images |
| forestpathology.org | Forest and Shade Tree Pathology |
| umn.edu | Plant disease diagnostics (Minnesota) |
| brown-spruce-longhorn-beetle.com | Brown Spruce Longhorn Beetle |
| asian-longhorned-beetle.com | Asian Longhorned Beetle |
| fs.fed.us | Exotic Forest Pest Information System for North America |
United States , Virginia , Herndon