State Distribution (9 / 50 states)
Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming
Listings by State
| State |
Classification |
Common Name Listed |
Notes |
| Indiana | Terrestrial Invasive | Japanese barberry | Shrub |
| Maine | Prohibited | Japanese barberry | Do Not Sell List |
| Massachusetts | Prohibited | Japanese Barberry | Invasive shrub |
| New Hampshire | Prohibited | Japanese Barberry | Invasive shrub |
| New York | Prohibited | Japanese Barberry | Woody shrub |
| Pennsylvania | Class C | Japanese Barberry | Woody shrub |
| Rhode Island | Invasive | Japanese Barberry | Woody shrub |
| South Carolina | Invasive | Japanese Barberry | Woody shrub |
| West Virginia | Noxious | Japanese barberry | Shrub |
Data compiled from individual state Department of Agriculture noxious weed lists.
Verify against current official state sources before regulatory use.
| U.S. Noxious Weed Database — generated April 2026.