References

For Dirca

Floden, A., and L.I. Nevling, Jr. 2015. Dirca. In Flora of North America Editorial Committee. 2015. Flora of North America north of Mexico. Volume 6, Magnoliophyta: Cucurbitaceae to Droseraceae. Oxford Univ. Press, New York, NY. 468 pp. Google Scholar

Floden, A.J., M.H. Mayfield, and C.J. Ferguson. 2009. A new narrowly endemic species of Dirca (Thymelaeaceae) from Kansas and Arkansas, with a phylogenetic overview and taxonomic synthesis of the genus. J. Bot. Res. Inst. Texas 3: 485-499. Google Scholar

Herber, B.E. 2003. Thymelaeaceae. Pp. 373-396. In Kubitzki, K., and C. Bayer, eds. 2003. The families and genera of vascular plants. V. Flowering plants – Dicotyledons – Malvales, Capparales, and non-betalain Caryophyllales. Springer, Berlin. 418 pp. Google Scholar

Nevling, L.I., Jr. 1962. The Thymelaeaceae in the southeastern United States. J. Arnold Arb. 43: 428-434. Google Scholar