References
For Diphylleia
Christenhusz, M.J.M., M.F. Fay, and J.W. Byng, eds. 2018. The global flora: a practical guide to vascular plant species of the world. Special edition, GLOVAP nomenclature Part 1, vol. 4: 1-155. Google Scholar
George, L.O'R. 1997a. Diphylleia. 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
Loconte, H. 1993. Berberidaceae. Pp. 147-152 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
Stearn, W.T. 2002. The genus Epimedium and other herbaceous Berberidaceae, including the genus Podophyllum. Timber Press, Portland, OR. Google Scholar
Ying, T.-S., S. Terabayashi, and D.E. Boufford. 1984. A monograph of Diphylleia (Berberidaceae). J. Arnold Arb. 65: 57-94. Google Scholar