References

For Pyxidanthera

Godt, M.J.W., and J.L. Hamrick. 1995. Low levels of allozyme differentiation between Pyxidanthera (pyxie-moss) taxa (Diapensiaceae). Pl. Syst. Evol. 195: 159-168. Google Scholar

Primack, R.B., and R. Wyatt. 1975. Variation and taxonomy of Pyxidanthera (Diapensiaceae). Brittonia 27(2): 115-118. Google Scholar

Scott, P.J., and R.T. Day. 1983. Diapensiaceae: a review of the taxonomy. Taxon 32: 417-423. Google Scholar

Scott. 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

Sorrie, B.A., A.S. Weakley, and G.L. Nesom. 2009. Pyxidanthera. 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

Wall, W.A., J.L. Hilton, T.R. Wentworth, J.B. Gray, M.G. Hohmann, and W.A. Hoffmann. 2010b. Effects of light and temperature on germination of Pyxidanthera brevifolia Wells (Diapensiaceae). J. Torrey Bot. Soc. 137: 348-354. Google Scholar

Wall, W.A., N.A. Douglas, Q.-Y. Xiang, W.A. Hoffmann, T.R. Wentworth, and M.G. Hohmann. 2010a. Evidence for range stasis during the latter Pleistocene for the Atlantic Coastal Plain endemic genus, Pyxidanthera Michaux. Molec. Ecology 19: 4302-4314. Google Scholar