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Lakeville Journal

CORNWALL — Control or prevention of the spread of the invasive Japanese knotweed, which is abundant in many area towns, drew discussion at a meeting of the Housatonic River Commission (HRC) held on Tuesday, Sept. 11. Reporting to the HRC was Tom Zetterstrom, the area’s knotweed network co-ordinator and an expert on invasive non-native plants. 

Knotweed and its potential for spreading is not to be taken lightly. It can be found in 40 of the 48 states. Describing his year of work in mapping infestations of the weed, Zetterstrom said he assembled a “network of...