Kitamura, K., Homma, H., Takasu, H., Hagiwara, S., Utech, F. H., Whigham, Dennis F., and Kawano, S. 2001. "
Demographic genetics of the American beech, Fagus grandifolia. II. Genet substructure of populations for the Blue Ridge, Piedmont, and the Great Smoky Mountains."
Plant Species Biology. 16:219–230.