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"Small Beginnings." National Wildlife (World Edition) 23, no. 3 (1985): 5-7.
Ease of Visitor Access and the Population Structure of Two Woodland Orchid Species in Great Smoky Mountains National Park: An Investigation of Possible Effects of Plant Poaching. Athens, GA: US National Park Service Cooperative Unit, University of Georgia, 1982.
Pollination Ecology of Monarda Didyma, M. Clinopodia, and Hybrids (Lamiaceae) in the Southern Appalachian Mountains." American Journal of Botany 68, no. 3 (1981): 435-442.
"Quiet Walkways: In Pursuit of Solitude." Great Smokies 1, no. 1 (1979): 34-39.
"Gentiana linearis (Gentianaceae) in the Southern Appalachians." Castanea 42, no. 1 (1977): 1-8.
"The Smokies Guide: A Personal View. Asheville, N.C.: The Stephens Press, 1977.
Revision of Trillium Subgenus Phyllantherum (Liliaceae)." Brittonia 27, no. 1 (1975): 1-62.
"The Southern Appalachians In The American Wilderness. New York: Time-Life Books, 1975.
A Study of Trillium Cueatum and T. Luteum. Knoxville, Tennessee: University of Tennessee, 1975.
Cacalia Rugelia: A New Combination for a North American Senecionoid." Rhodora 76, no. 805 (1974): 48-50.
"A Poetic Journey through the Great Smoky Mountains National Park. Gatlinburg, TN: Joe Todd Inc., 1972.
Appalachian Wilderness: The Great Smoky Mountains. New York: Dutton, 1970.
Great Smoky Mountains Wildflowers. 3rd ed. Knoxville, Tenn.: University of Tennessee Press, 1970.
Karyotypes and Morphological Variation in the Sessile-flowered Trilliums of North Carolina." Canadian Journal of Botany 47, no. 8 (1969): 1223-1232.
"Cytogeography of Claytonia Virginica and its Allies." Annals of the Missouri Botanical Garden 54 (1967): 153-171.
"A Morphological and Karyotypic Analysis of an Isolated Population of Trillium Gleasoni." Journal of the Elisha Mitchell Scientific Society 83, no. 2 (1967): 117-122.
"Great Smoky Mountains Wildflowers by Carlos C. Campbell; William F. Hutson; Hershal L. Macon; Aaron J. Sharp." Economic Botany 20, no. 3 (1966): 333.
"Notes on Vascular Plant Families in the Great Smoky Mountains." Castanea 31, no. 4 (1966): 301-307.
"Wildflowers in Color. New York: Harper & Row, 1965.
First and Interesting Reports of Flowering Plants in Tennessee." Castanea 29, no. 4 (1964): 178-185.
"Great Smoky Mountains Wildflowers. Knoxville, TN: University of Tennessee Press, 1964.
Variations in Aconitum of Eastern United States." Brittonia 16, no. 1 (1964): 80-94.
"Azaleas on Gregory Bald, Blount County, Tennessee. Pine Mountain, GA, 1963.
Great Smoky Mountains Wildflowers. Knoxville, Tenn.: University of Tennessee Press , 1962.
The Smokies Guide. Asheville, N.C.: The Stephens Press, 1962.