Flora of North America Editorial Committee, eds., 1993. Flora of North America North of Mexico. Flora of North America Association, New York, NY, US and Oxford, UK.
Vanderbilt 1994 =
Vanderbilt University, 1994. The Trees of Vanderbilt: Seven Walks Through the Vanderbilt University Arboretum. Office of Publications and Design, Vanderbilt University, Nashville, TN, US.