Colorado Flora: Eastern Slope, Fourth Edition <br>A Field Guide to the Vascular Plants
"The completely revised edition of this outstanding guide to the fascinating plants of Colorado provides an improved means of identifying and learning about them. Based on decades of experience in the state and around the world, the authors offer unique insights and a sound basis for expanding our knowledge into the future."—Peter H. Raven, President Emeritus, Missouri Botanical Garden, St. Louis"These books are common sense, timely, broad in scope, accurate, and based on the extensive field experience of Weber and Wittman. The authors also present the art and science of thier study—the heart of this enterprise."—T. Johnson,Choice"You will not only use these books, you will enjoy them."—New Mexico Botanist Newsletter "An evolutionary and quasi-revolutionary update" —Rudolf Schmid, Taxon