References

For Frasera

Drake, J. 2011. Gentians of the eastern United States. Breath O' Spring Press, Suwanee, GA. 219 pp. Google Scholar

Horn, C.N. 1997. An ecological study of Frasera caroliniensis in South Carolina. Castanea 62: 185-193. Google Scholar

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. Google Scholar

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. Google Scholar

Threadgill, P.F., and J.M. Baskin. 1978. Swertia caroliniensis or Frasera caroliniensis? Castanea 43: 20-22. Google Scholar