Explore the natural beauty of St. Louis' parks and green spaces with this convenient, beautifully illustrated folding guide to 40 of the region’s most common and distinctive trees. Created for urban nature lovers, walkers, and outdoor explorers, this Pocket Naturalist guide makes it easy to identify trees found along trails, in city parks, and throughout Gateway City landscapes. Each species account includes clear, accessible descriptions of key features—leaf shape, flowers, fruits, and bark—so you can quickly recognize trees in every season.