Sunday, January 11, 2026

MDARD Requests Feedback on New Invasive Species Listings

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Japanese Barberry
Japanese Barberry (photo by jhy)

a news release of Michigan DNR

The Michigan Department of Agriculture and Rural Development (MDARD) is inviting Michigan stakeholders to provide comments on proposed additions to the invasive plant species regulated in the Natural Resources and Environmental Protection Act (NREPA)(1994) Part 413. MDARD is proposing these additions based on rigorous, scientific Weed Risk Assessments that indicated six invasive plant species could harm Michigan’s environmental, economic, and/or human health. Preventing the spread of invasive species is important to help safeguard the quality of Michigan ecosystems, the strength of Michigan’s economy, and the health of people in Michigan.

A Weed Risk Assessment is available for each of the proposed species:
• Common buckthorn
• Glossy buckthorn
• Callery pear [Bradford pear]
• Japanese barberry
• Water hyacinth
• Water lettuce

If the proposed species are added to the NREPA Part 413 Restricted and Prohibited lists, then it will be illegal to introduce, import, transplant, sell, or intentionally possess them in Michigan. However, a person isn’t considered to be in violation of the rules if they unknowingly have invasive species established on their lands or in waterways.

Please use the online survey to provide comments on the proposed additions to the Restricted and Prohibited lists by 11:59 pm EST on Monday, February 9, 2026. Your input is important and will help ensure that any regulatory changes are well-informed and appropriate. After the public comment period, MDARD will review all feedback and determine if any changes need to be made to this proposal. All changes will be presented to the Michigan Commission of Agriculture and Rural Development.

To read more detail about each plant, please follow the link above and find links to a document on each species.


Take the Survey


These links are checked on the date of the article. As the article ages, some links may become invalid

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