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"Trillium". The University of Tennessee Libraries, Special Collections Libray.: Herbert M. Webster Photographs Collection (1926-1955), MS.3338.
"Trillium in Greenbrier". The University of Tennessee Libraries, Special Collections Libray.: Herbert M. Webster Photographs Collection (1926-1955), MS.3338.
Trillium along the trail to Little Snowbird Mountain.. The University of Tennessee Libraries Digital Collections: Albert Gordon "Dutch" Roth Digital Photograph Collection, 1936.
The Pedicellate Species of Trillium Found in the Southern Appalachians." Journal of Elisha Mitchell Scientific Society 54, no. 2 (1938): 271-296.
"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.
"Karyotypes and Morphological Variation in the Sessile-flowered Trilliums of North Carolina." Canadian Journal of Botany 47, no. 8 (1969): 1223-1232.
"Revision of Trillium Subgenus Phyllantherum (Liliaceae)." Brittonia 27, no. 1 (1975): 1-62.
"Biomechanical Constraints on Crown Geometry in Forest Herbs." In On the Economy of Plant Form and Function, edited by Thomas J. Givnish, 525-583. Cambridge: Cambridge University Press, 1986.
"Possible Ecological Mechanisms for Loss of Vernal Herb Diversity in Logged Eastern Deciduous Forests." Ecological Applications 5, no. 4 (1995): 935-946.
"Wildflower Viewing in the Smokies." Blue Ridge Country 14, no. 3/4 (2001).
"Effects of Chronic Herbivory and Historic Land Use on Population Structure of a Forest Perennial, Trillium catesbaei." Applied Vegetation Science 10, no. 3 (2007): 441-450.
"Effects of Chronic Herbivory and Historic Land Use on Population Structure of a Forest Perennial, Trillium catesbaei." Applied Vegetation Science 10, no. 3 (2007): 441-450.
"Age Structure and Spatial Patterning of Trillium Populations in Old-Growth Forests." Plant Ecology 199, no. 1 (2008): 43-54.
"Spatial Patterning and Population Structure of a Common Woodland Herb, Trillium erectum, in Primary and Post-Logging Secondary Forests." Forest Ecology and Management 258, no. 11 (2009): 2569-2577.
"A World of Wonder: Wildflowers on the Parkway." Smoky Mountain Living 10, no. 2 (2010): 66-67.
"Evidence of Long and Discontinuous Juvenile Periods in Trillium catesbaei Under Contrasting Levels of Herbivory." Botany Published Online (2013).
"Habitat Modeling of a Rare Endemic Trillium Species (Trillium Simile Gleason): A Comparison of the Methods Maxent and Domain for Modeling Rare Species-Rich Habitat In Biology Department. Vol. Master of Science in Biology. Western Carolina University, 2017.