Winter Keys to Woody Plants of Maine

Illustrated Guide to Trees and Shrubs: A Handbook of the Woody Plants of the Northeastern United States and Adjacent Canada/Revised Edition

Freshwater Wetlands : A Guide to Common Indicator Plants of the Northeast

Trees: Their Natural History

Newcomb's Wildflower Guide

Essential Soil Science : A Clear and Concise Introduction to Soil Science

Life in the Soil: A Guide for Naturalists and Gardeners

Bark: A Field Guide to Trees of the Northeast

Mosses, Liverworts, and Hornworts: A Field Guide to Common Bryophytes of the Northeast

A Field Guide to Trees and Shrubs: Northeastern and north-central United States and southeastern and south-centralCanada (Peterson Field Guides)

Forest Trees of Maine