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Roger L. Williams
Books by Roger L. Williams
A Region of Astonishing Beauty
The Botanical Exploration of the Rocky Mountains
As we approach the bicentennial of the Lewis and Clark Expedition in 2004, attention will inevitably turn to the nineteenth-century explorers who risked life and limb to interpret the natural history of the American West. Beginning with Meriwether Lewis and his discovery of the bitterroot, the go...
A Guide To Rocky Mountain Plants, Revised
A completely revised edition of Williams's previous work with the late Ruth Ashton Nelson, Handbook of Rocky Mountain Plants, this edition uses simple and clear keys to identify more than 350 species of plants found in the Rocky Mountain region from the United States to Canada. Useful in the clas...