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Deciduous Forests of Eastern North America. Blackburn Press, 2001.
The Garden Club of America. Knoxville Garden Club, 1949.
Hidden Valley of the Smokies, With a Naturalist in the Great Smoky Mountains. New York: Dodd, Mead & Compnay, 1971.
Luigi Castiglioni's Viaggio = Travels in the United States of North America, 1785-87. Syracuse, NY: Syracuse University Press, 1983.
Luigi Castiglioni's Viaggio = Travels in the United States of North America, 1785-87. Syracuse, NY: Syracuse University Press, 1983.
A Naturalist's Notebook : Great Smoky Mountains National Park. Gatlinburg, TN: Great Smoky Mountains Natural History Association, 1984.
New World Botany: Columbus to Darwin. Ruggell, Liechtenstein: A.R.G. Gantner Verlag, 2001.
Plants of the Cherokee: Medicinal, Edible, and Useful Plants of the Eastern Cherokee. Gatlinburg, TN: Great Smoky Mountains Association, 2004.
Plants Used as Curatives by Certain Southeastern Tribes. 1st AMS ed. AMS Press, 1978.
Reading the Landscape. Revised and Expanded ed. New York: Macmillan, 1975.
Reading the Landscape: An Adventure in Ecology. New York: Macmillan, 1957.
Reading the Landscape of America. Reprint edition ed. Rochester, NY: Nature Study Guild Publishers, 1975.
Reference List of Native Plants of the Great Smoky Mountains. Knoxville, TN: University of Tennessee, 1954.
Special reports, memoranda, lecture syllabi, radio-script. National Park Service.
Trees, Shrubs, and Woody Vines of Great Smoky Mountains National Park. Knoxville, TN: University of Tennessee Press, 1964.
Vascular Plants of the Great Smoky Mountains: A Checklist for the Vascular Plants of Great Smoky Mountains National Park. Great Smoky Mountains Natural History Association, 2000.
Field conference guide for an altitudinal transect of the Great Smoky Mountains National Park In International Geobotany Conference. Knoxville, TN: The University of Tennessee, 1973.
Great Smoky Mountains Video Sampler. Great Smoky Mountains Association, 2012.
Mountain Kitchen: Uses of Wild Edible & Medicinal Plants in the Southern Appalachians. Great Smoky Mountains Association, 2002.
Plants and the Cherokee. Great Smoky Mountains Association, 2004.
Wild Edibles & Medicinals of Southern Appalachia: Autumn Series. Ironwood Productions, 2001.
Wild Edibles & Medicinals of Southern Appalachia: Summer Series. Ironwood Productions, 1997.
Acrobolbus in the United States." The Bryologist 39, no. 1 (1936): 1-2.
"Allozyme Variation in Two Great Smoky Mountain Endemics: Cacalia rugelia and Glyceria nubigena." Journal of Heredity 86, no. 3 (1995): 195-197.
"Bertram Whittier Wells (1884-1978): A Study in the History of North American Plant Ecology." American Journal of Botany 73, no. 7 (1986): 1058-1078.
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