For Maclura
Endress & Bittrich. 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.
Gardner, E.M., P. Sarraf, E.W. Williams, and N.J.C. Zerega. 2017. Phylogeny and biogeography of Maclura (Moraceae) and the origin of an anachronistic fruit. Molec. Phylogen. Evol. 117: 49-59.
Rehder, A. 1940. Manual of cultivated trees and shrubs hardy in North America exclusive of the subtropical and warmer temperate regions. Second edition, revised and enlarged. Macmillan Co., New York,1940. 996 pp.
Wunderlin, R.P. 1997. Moraceae. 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.
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