For Fagus
Cooper, A.W., and E.P. Mercer. 1977. Morphological variation in Fagus grandifolia Ehr. in North Carolina. J. Elisha Mitch. Sci. Soc. 93: 136-149.
Elias, T.S. 1971a. The genera of Fagaceae in the southeastern United States. J. Arnold Arb. 52: 159-195.
Govaerts, R., and D.G. Frodin. 1998. World checklist and bibliography of Fagales (Betulaceae, Corylaceae, Fagaceae and Ticodendraceae). Royal Botanic Gardens, Kew, England.
Jiang, L., Q. Bao, W. He, D.-M. Fan, S.-M. Cheng, J. López-Pujol, M.G. Chung, S. Shakaguchi, A. Sánchez-González, A. Gedik, D.-Z. Li, Y.-X. Kou, and Z.-Y. Zhang. 2022. Phylogeny and biogeography of Fagus (Fagaceae) based on 28 nuclear single/low-copy loci. J. Syst. Evol.
Kubitzki, K., J.G. Rohwer, and V. Bittrich, eds. 1993. The families and genera of vascular plants. II. Flowering plants – Dicotyledons – Magnoliid, Hamamelid and Caryophyllid families. Springer, Berlin. 653 pp.
Nixon, K.C. 1997a. Fagaceae. In Flora of North America Editorial Committee. 1997. Flora of North America north of Mexico. Volume 3, Magnoliophyta: Magnoliidae and Hamamelidae. Oxford Univ. Press, New York, NY. 590 pp.
Shen, Chung-Fu. 1992. A monograph of the genus Fagus Tourn. ex L. (Fagaceae). Ph.D. dissertation, Biology Dept., City University of New York. 390 pp.
Stanford, A.M. 1998. The biogeography and phylogeny of Castanea, Fagus, and Juglans based on MATK and ITS sequence data. Ph.D. dissertation, Biology Department, University of North Carolina at Chapel Hill.