References
For Galax
Barringer, B.C., and L.F. Galloway. 2017. The reproductive ecology of diploid and tetraploid Galax urceolata. Amer. Midl. Nat. 177: 299-308. Google Scholar
Burton, T.L., and B.C. Husband. 1999. Population cytotype structure in the polyploid Galax urceolata (Diapensiaceae). Heredity 82: 381-390. Google Scholar
Nesom, G.L. 1983. Galax (Diapensiaceae): geographic variation in chromosome number. Systematic Bot. 8: 1-14. Google Scholar
Nesom, G.L. 2009h. Galax. In Flora of North America Editorial Committee. 2009. Flora of North America north of Mexico. Volume 8, Magnoliophyta: Paeoniaceae to Ericaceae. Oxford Univ. Press, New York, NY. 585 pp. Google Scholar
Scott 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
Scott, P.J., and R.T. Day. 1983. Diapensiaceae: a review of the taxonomy. Taxon 32: 417-423. Google Scholar
Servick, S., C.J. Visger, M.A. Gitzendanner, P.S. Soltis, and D.E. Soltis. 2015. Population genetic variation, geographic structure, and multiple origins of polyploidy in Galax urceolata. Amer. J. Bot. 102: 973-982. Google Scholar
Soltis, D.E., B.A. Bohm, and G.L. Nesom. 1983. Flavonoid chemistry of cytotypes in Galax (Diapensiaceae). Syst.Bot. 8: 15-23. Google Scholar