The Grand Canyon's isolation, great elevational range, and position at the convergence of three North American deserts--the Mojave, Sonoran, and Great Basin--ha

River Stones Grow Plants tells the tale of the accidental scientist Richard Campbell's 1994 encounter with his uncle, Dr. Thomas Logan, who unintentionally drop

This is the long-awaited second volume of Godfrey and Wooten's definitive survey of aquatic and wetland plants of the southeastern United States. It focuses on