M. W.  Chase, Soltis, D. E., S., S. P., Rudall, P. J., Fay, M. F., Hahn, W. J., Sullivan, S., Joseph, J., Givnish, T., Sytsma, K. J., and Price, C., ?A combined analysis of multiple datasets and a new phylogenetic classification of the monocotyledons.?, in Monocots: systematics and evolution. Proceedings of the Second International Conference on the Comparative Biology of the Monocotyledons, K. L.  Wilson and Morrison, D. A., Eds. Melbourne: CSIRO Publishing, 2000, pp. 3 - 16.

M.  Molvray, Kores, P. J., and Chase, M. W., ?Polyphyly of mycoheterotrophic orchids and functional influences on floral and molecular characters?, in Monocots: Systematic and Evolution, K. L.  Wilson and Morrison, D. A., Eds. Melbourne: CSIRO, 2000.

F. N.  Rasmussen, ?Ins and outs of orchid phylogeny?, in Monocots: Systematics and Evolution, K. L.  Wilson and Morrison, D. A., Eds. Melbourne: CSIRO, 2000, pp. 430 - 435.