WILDFLOWERS OF TENNESSEE, THE OHIO VALLEY, AND THE SOUTHERN APPALACHIANS. This incredible, full color field guide is a landmark achievement: 496 pages, 1,250 species, 800 color photos covering the wildflowers in 16 states, from southern Pennsylvania to northern Arkansas. It's the official field guide of the Tennessee Native Plant Society and an essential component in any wildflower enthusiast's library. Includes handy color keys and plant family keys.