Do get in touch using the Contact Us form if you have a query on invasive species.

    Report invasive species sightings through this recording form: or through the Biodiversity Data Capture app. Provide a photograph if possible to aid in verifying the identity of the reported species.

    For answers to Frequently Asked Questions on Japanese knotweed see:

    Please note that the National Biodiversity Data Centre has no role in issuing notifications to landowners on the presence of invasive species on their land or on enforcement to take action. For information on wildlife crime and enforcement visit:

    While we endeavor to reply to your query within three working days, due to the high volume of invasive species queries we receive, it may on occasion take longer.

    We are currently not attending the office so are unreachable on the office phoneline.

    You may be able to find the information you are seeking on the website.