Fern Finder: A Guide to Native Ferns of Central and Northeastern United States and Eastern Canada (Nature Study Guides)

Tree Finder: A Manual for Identification of Trees by their Leaves (Eastern US) (Nature Study Guides)

Winter Tree Finder: A Manual for Identifying Deciduous Trees in Winter (Eastern US) (Nature Study Guides)

Flower Finder: A Guide to the Identification of Spring Wild Flowers and Flower Families East of the Rockies and North of the Smokies, Exclusive of Trees and Shrubs (Nature Study Guides)

Newcomb's Wildflower Guide

Berry Finder: A guide to native plants with fleshy fruits

Winter Weed Finder: A Guide to Dry Plants in Winter (Nature Study Guides)

Peterson Field Guide to Ferns: Northeastern and Central North America, 2nd Edition

A Field Guide to Trees and Shrubs: Northeastern and North-Central United States and Southeastern and South-Central Canada (Peterson Field Guides (Paperback))

Grasses: An Identification Guide (Sponsored by the Roger Tory Peterson Institute)

Northeast Ferns: A Field Guide to the Ferns and Fern Relatives of the Northeastern United States