Experts weigh in on invasive species

Giant hogweed was identified near Elliot Lake but, to date, all reports around Sault Ste. Marie have proved to be cow parsnip, a similar but native species, said David Nisbet, of the Invasive Species Centre. Internet reports call giant hogweed Canada’s worst invasive species. “No, it is a beautiful, garden perennial,” says Mike Cowbrough, weed mana