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It is now illegal to sell, grow, or plant Callery pear (also known as Bradford pear) in Ohio because of its invasive qualities and likelihood to cause economic or environmental harm. There is no requirement for the removal of existing plants, but the Ohio Department of Natural Resources (ODNR) Division of Forestry encourages control and removal to benefit native forest ecosystems.

See also: Conditional Nonnative Species List

The organisms listed are legally classified as exotic, harmful, or potentially harmful. No person may possess or place them into water of this state except as authorized by the department. 

California registered vessels using fresh water bodies within the state are required to display a “Mussel Fee Paid” sticker on the hull next to the current registration sticker. Paying the Mussel Fee does not entitle vessels to bypass inspections or fees for inspections conducted by individual reservoir owners or managers.

Provides a summary of plant quarantine regulations in the state of Louisiana. These quarantines help safeguard our agriculture and natural resources against the entry, establishment, and spread of environmentally significant pests.

Research led by Regional Invasive Species and Climate Change (RISCC) team members Eve Beaury and Emily Fusco evaluates the current landscape of invasive plant regulations across U.S.states. We've got a lot of room for improvement - especially in addressing the need to prohibit range-shifting invasive plants before they arrive. As plants continue to move north driven by climate change, the number of invasives will only increase. Unfortunately, inconsistent regulations that vary from state to state means that invasive plants have an edge on our attempts to control them. However, new research from the University of Massachusetts Amherst recently published in the Journal of Applied Ecology (requires login 🔒) suggests that we already have an answer in hand – communication.

Provides information on federally and state regulated plants. Refer to the link to the Excel spreadsheet of information compiled by industry for regulated noxious aquatic weeds (combined federal and state list). Please note that state regulations change frequently and may not reflect the most current information.