LEWISTON – About 150 people from across the state are expected to share ideas and concerns about milfoil and other invasive species at the sixth annual Maine Milfoil Summit, on Friday, March 3, at Lewiston-Auburn College, 51 Westminster St.

David Littell, commissioner of state’s Department of Environmental Protection, will be the keynote speaker. The summit is free and open to the public, but advance registration is requested. E-mail [email protected] or phone 647-8580.

For more information, people can call Peter Lowell, executive director of the Lakes Environmental Association, at 647-8580.