For Hamamelis
Endress. 1993. In 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. Google Scholar
Jenne, G.E. 1966. A study of variation in North American Hamamelis L. (Hamamelidaceae). Master's thesis, Vanderbilt University, Biology Dept. 204 pp. Google Scholar
Lane, C. 2005. Witch hazels. Timber Press & Royal Horticultural Society Plant Collectors Guide. Google Scholar
Leonard, S.W. 2006. A new species of witch-hazel (Hamamelis: Hamamelidaceae) apparently endemic to southern Mississippi. Sida 22: 849-856. Google Scholar
Meyer, F.G. 1997b. Hamamelidaceae. 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. Google Scholar
Wen, J., and S. Shi. 1999. A phylogenetic and biogeographic study of Hamamelis (Hamamelidaceae), an eastern Asian and eastern North American disjunct genus. Biochemical Systematics and Ecology 27: 55-66. Google Scholar