References

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.