Following muddy and mossy trails, this field study in the East Leverett Meadow on September 15 from 12 – 2 explores different wetlands and their plant compositions. Naturalist George LoCascio highlights local plants, wetlands ecology, and the importance of conserving the plants. Aquatic invertebrates make a special cameo appearance. The walk is co-sponsored by the New England Wild Flower Society and the Massachusetts Association of Conservation Commissions. $21 for members of sponsoring organizations, $25 for nonmembers. Register online at www.newenglandwild.org.