References
For Parnassia
Alexander, E.J. 1934a. Parnassia caroliniana, Carolina grass-of-Parnassus, native of southeastern United States. Addisonia 18: 43-46. Google Scholar
Alexander, E.J. 1934b. Parnassia grandifolia, Large-leaved grass-of-Parnassus, native of the southern Appalachians. Addisonia 18: 45-46. Google Scholar
Ball, P.W. 2016. Parnassia. In Flora of North America Editorial Committee. 2016. Flora of North America north of Mexico. Volume 12, Magnoliophyta: Vitaceae to Garryaceae. Oxford Univ. Press, New York, NY. 603 pp. Google Scholar
Gastony, G.J., and D.E. Soltis. 1977. Chromosome studies of Parnassia and Lepuropetalon (Saxifragaceae) from the eastern United States. A new base number for Parnassia. Rhodora 79: 573-578. Google Scholar
Godfrey, R.K., and J.W. Wooten. 1981. Aquatic and wetland plants of southeastern United States, dicotyledons. University of Georgia Press, Athens, Georgia. Google Scholar
Simmons. 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. Google Scholar
Spongberg, S.A. 1972. The genera of Saxifragaceae in the southeastern United States. J. Arnold Arb. 53: 409-498. Google Scholar