References
For Calycanthus
Ferry, R.J., Sr., and R.J. Ferry, Jr. 1987. Calycanthus brockiana (Calycanthaceae), a new spicebush from north central Georgia. Sida 12: 339-341. Google Scholar
Johnson, G.P. 1997. Calycanthaceae. 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
Kubitzki, K. 1993c. Calycanthaceae. Pp. 197-200 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
Nicely, K.A. 1965. A monographic study of the Calycanthaceae. Castanea 30: 38-81. Google Scholar
Weakley, A.S. 2017a. No varieties of Calycanthus floridus. In Weakley, A.S., D.B. Poindexter, R.J. LeBlond, B.A. Sorrie, C.H. Karlsson, P.J. Williams, E.L. Bridges, S.L. Orzell, B.R. Keener, A. Weeks, R.D. Noyes, M. Flores-Cruz, J.T. Diggs, G.D. Gann, and A.J. Floden. 2017. New combinations, rank changes, and nomenclatural and taxonomic comments in the vascular flora of the southeastern United States. II. J. Bot. Res. Inst. Texas 11: 291-325. Google Scholar