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

How to identify 135 of the most common species of North American grasses, sedges, and rushes, with their economic and ecological importance.

• Newcomb's Wildflower Guide
• Field Guide to the Grasses, Sedges, and Rushes of the United States
• Fern Finder: A Guide to Native Ferns of Central and Northeastern United States and Eastern Canada (Nature Study Guides)
• A Field Guide to Trees and Shrubs: Northeastern and North-Central United States and Southeastern and South-Central Canada (Peterson Field Guides (Paperback))
• Manual of the Grasses of the United States Volume 2
• How to Identify Grasses and Grasslike Plants: Sedges and Rushes
• Peterson Field Guide to Ferns: Northeastern and Central North America, 2nd Edition
• Tree Finder: A Manual for Identification of Trees by their Leaves (Eastern US) (Nature Study Guides)
• Manual of the Grasses of the United States Volume 1
• Munsell Soil Book of Color (M50215B)