For Gentianaceae
Drake, J. 2011. Gentians of the eastern United States. Breath O' Spring Press, Suwanee, GA. 219 pp.
Ho, T.-N., and S.-W. Liu. 1990. The infrageneric classification of Gentiana (Gentianaceae). Bull. Br. Mus. Nat. Hist. (Bot.) 20: 169-192.
Pringle, J.S. 2023. Gentianaceae. Pp. 3-92 In Flora of North America Editorial Committee. 2023c. Flora of North America north of Mexico. Volume 14, Magnoliophyta: Gentianaceae to Hydroleaceae. Oxford Univ. Press, New York, NY. 505 pp.
Struwe, L., and J.S. Pringle. 2018. Gentianaceae. In Kadereit, J., & V. Bittrich. 2018. The families and genera of flowering plants. XV. Flowering plants. Eudicots. Apiales, Gentianales (except Rubiaceae). Springer, Cham.
Struwe, L., J.W. Kadereit, J. Klackenberg, S. Nilsson, M. Thiv, B. von Hagen, and V.A. Albert. 2002. Systematics, character evolution, and biogeography of Gentianaceae, including a new tribal and tribal classification. In Struwe, L., and V.A. Albert, eds. 2002. Gentianaceae: systematics and natural history. Cambridge Univ. Press, Cambridge. 652 pp.
Wood, C.E., and R.E. Weaver, Jr. 1982. The genera of Gentianaceae in the southeastern United States. J. Arnold Arb. 63: 441-487.
Cite as...