M.  Newman, Thomas, P., Lanorsavanh, S., Ketphanh, S., Svengsuksa, B., and Lamxay, V., ?New records of angiosperms and pteridophytes in the flora of Laos?, Edinburgh Journal of Botany, vol. 64, pp. 225?251, 2007.

M.  Newman, Thomas, P., Lanorsavanh, S., Ketphanh, S., Svengsuksa, B., and Lamxay, V., ?New records of angiosperms and pteridophytes in the flora of Laos?, Edinburgh Journal of Botany, vol. 64, pp. 225?251, 2007.