Introduction to Tree Identification Learn to recognize the major families of trees and shrubs as well as a number of common species in the wild and home landscape. We will discuss invasive species and good choices of plantings to attract wildlife. Class will be both indoors and out, so dress for the weather and wear sturdy shoes. Powder Mill Ledges Wildlife Refuge, 12 Sanderson Road, Smithfield, RI; June 24, 2017; 10:00 am-12:00 pm; Program Fee: $10/member; $14/non-member. Ages: 14 and up.