For Carya
Elias, T.S. 1972. The genera of Juglandaceae in the southeastern United States. J. Arnold Arb. 53: 26-51.
Guthrie, W. 1820. A universal geography; or, a view of the present state of the known world. Benj. Warner, Philadelphia, PA.
Hardin, J.W. 1952. The Juglandaceae and Corylaceae of Tennessee. Castanea 17: 78-89.
Hardin, J.W. 1992. Foliar morphology of the common trees of North Carolina and adjacent states. N.C. Agricultural Research Service Tech. Bull. 298. 135 pp.
Hardin, J.W., and D.E. Stone. 1984. Atlas of foliar surface features in woody plants, VI. Carya (Juglandaceae) of North America. Brittonia 36: 140-153.
Harrar, E.S., and J.G. Harrar. 1962. Guide to southern trees. Dover Publications, New York, NY.
Little, E.L., Jr. 1969. Two varietal transfers in Carya (Hickory). Phytologia 19: 186-190.
Manning, W.E. 1950. A key to the hickories north of Virginia with notes on the two pignuts, Carya glabra and C. ovalis. Rhodora 52: 188-199.
Sargent, C.S. 1918. Notes on North American trees. II. Carya. Bot. Gazette 66: 229-258.
Schafale, M.P., and A.S. Weakley. 1990. Classification of the natural communities of North Carolina, third approximation. North Carolina Natural Heritage Program, Raleigh, N.C.
Skeen, J.N., P.D. Doerr, and D.H. Van Lear. 1993. Oak-hickory-pine forests. In W.H. Martin, S.G. Boyce, and A.C. Echternacht, eds. Biodiversity of the southeastern United States. John Wiley & Sons, New York, NY.
Stone, D.E. 1961. Ploidal level and stomatal size in the American hickories. Brittonia 13: 293-302.
Stone, D.E. 1997b. Carya. 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.
Stone, D.E., G.A. Adrouny, and R.H. Flake. 1969. New World Juglandaceae. II. Hickory nut oils, phenetic similarities, and evolutionary implications in the genus Carya. Amer. J. Bot. 56: 928-935.
Stone. 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.
Ware, S. 1992. Where are all the hickories in the Piedmont oak-hickory forest? Castanea 57: 4-12.
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