For Symplocos
Almeda, F., and P.W. Fritsch. 2009. Symplocaceae. In Flora of North America Editorial Committee. 2009. Flora of North America north of Mexico. Volume 8, Magnoliophyta: Paeoniaceae to Ericaceae. Oxford Univ. Press, New York, NY. 585 pp.
Fritsch, P.W., L.M. Kelly, Y. Wang, F. Almeda, and R. Kriebel. 2008. Revised infrafamilial classification of Symplocaceae based on phylogenetic data from DNA sequences and morphology. Taxon 57(3): 823-852.
Harbison, T.G. 1931. Symplocos tinctoria Ashei: a new dyebush from the southern mountains. J. Elisha Mitch. Sci. Soc. 46: 218-220.
Hardin, J.W. 1966. An analysis of variation in Symplocos tinctoria. J. Elisha Mitchell Sci. Soc. 82: 6-12.
Nooteboom. 2004. In Kubitzki, K., ed. 2004. The families and genera of vascular plants. VI. Flowering plants – Dicotyledons – Celastrales, Oxalidales, Rosales, Cornales, Ericales. Springer, Berlin. 489 pp.
Wang, Y., P.W. Fritsch, S. Shi, F. Almeda, B.C. Cruz, and L.M. Kelly. 2004. Phylogeny and infrageneric classification of Symplocos (Symplocaceae) inferred from DNA sequence data. Amer. J. Bot. 91: 1901-1914.
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