Get ready to take an exciting cross-country trip across the United States-from the big cities of the Northeast to the deserts of the Southwest. Engaging text an

Here, at last, is a lavishly illustrated manual for ready identification of 299 common and economically important weeds in the region south to Virginia, north t

"The geographic scope of the work extends from the Canadian border south through Long Island and west to the Hudson River. The "General Keys" section contains f

In this field guide to the future, esteemed Harvard University botanist Peter Del Tredici unveils the plants that will become even more dominant in urban enviro

The eleven states that make up the Northeast region of the United States are rich in history, culture, and natural resources. Read about the regions diverse ind