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"Rhododendron Decline in the Great Smoky Mountains and Surrounding Areas." Southeastern Naturalist 13, no. 1 (2014): 1-25.
"All Taxa Biodiversity Inventory Survey of Select Soil and Plant Ecological Parameters Associated with Rhododendron Decline in the Great Smoky Mountains and Surrounding Area." Southeastern Naturalist 12, no. 4 (2013): 703-722.
"Rhododendron Decline in the Great Smoky Mountains and Surrounding Areas." Southeastern Naturalist 12, no. 4 (2013): 703-722.
"Terrain and Landform Influence on Tsuga Canadensis (L.) Carriere (Eastern Hemlock) Distribution in the Southern Appalachian Mountains." Castanea 75, no. 1 (2012): 1-18.
"Understory Composition of Five Tsuga canadensis Associated Forest Communities in Great Smoky Mountains National Park." Natural Areas Journal 32, no. 3 (2012): 260-269.
"A Novel Monopartite dsRNA Virus from Rhododendron." Archives of Virology 155, no. 11 (2010): 1859-1863.
""A" is for Azalea." Smokies Life Magazine 3, no. 1 (2009): 10-17.
"Incidence of Lytta unguicularis (Coleoptera : Meloidae) on Hybrid Azaleas, Rhododendron spp., in the Great Smoky Mountains National Park." Florida Entomologist 89, no. 4 (2006): 516-517.
Distribution of Rhododendron catawbiense Michx. Along Some Environmental Gradients, Edited by Mohan K. Wali. Ohio State University, 1996.
Gradient Analysis of the Distribution of Flowering Dogwood (Cornus florida L.) and Dogwood Anthracnose (Discula destructiva Redlin.) In Western Great Smoky Mountains National Park. Chapel Hill, NC: University of North Carolina, 1996.
Assessment of the Severity and Incidence of Rhododendron Dieback at Cerulean Knob in the Great Smoky Mountains National Park In Investigator's Annual Report Part II. Knonxville, TN: University of Tennessee, 1994.
Biotic and Abiotic Factors Associated with Rhododendron Dieback in the Great Smoky Mountains National Park. Department of the Interior, National Park Service , 1994.
Are Pollinators Exerting Selection Pressure on the Azalea Hybrids on Gregory Bald?. Knoxville, TN: University of Tennessee, 1978.
The Role of Allelopathic Interference in the Maintenance of Southern Appalachian Heath Balds. Knoxville, Tennessee: The University of Tennessee, 1978.
Trees, Shrubs, and Woody Vines of Great Smoky Mountains National Park. Knoxville, TN: University of Tennessee Press, 1964.
Concentrations of Gamma-emitting Fallout Radionuclides From Picea rubens and Rhododendron maximum of the Great Smoky Mountains. Knoxville, TN: University of Tennessee, 1963.
"Leaf Characteristics and Chlorophyll in Relation to Exposure and Production in Rhododendron Maximum." Ecology 43, no. 1 (1962): 120-125.
"Lepidote Rhododendrons of the Southeastern United States." Brittonia 14, no. 3 (1962): 290-298.
"Net Production Relations of Shrubs in the Great Smoky Mountains." Ecology 43, no. 3 (1962): 357-377.
"Vascular Epiphytes in the Great Smoky Mountains." Ecology 38, no. 4 (1957): 654-655.
"In Search of Native Azaleas." Morris Arboretum Bulletin 6, no. 2 (1955): 15-22.
Cascades along Cane Creek after a hard rain.. The University of Tennessee Libraries Digital Collections: Albert Gordon "Dutch" Roth Digital Photograph Collection, 1948.
"A Study, Anatomical and Taxonomic, of the Genera of Rhododendroideae." American Midland Naturalist 30, no. 3 (1943): 533-625.
