1. Ané, C., J. G. Burleigh, M. M. McMahon, and M. J. Sanderson. 2005. Covarion structure in plastid genome evolution: a new statistical test. Mol. Biol. Evol.22:914–924.
2. Asano, T., T. Tsudzuki, S. Takahashi, H. Shimada, and K. Kadowaki. 2004. Complete nucleotide sequence of the sugarcane (Saccharum officinarum) chloroplast genome: a comparative analysis of four monocot chloroplast genomes. DNA Res.11:93–99.
3. Bharathan, G., and E. A. Zimmer. 1995. Early branching events in monocotyledons—partial 18s ribosomal DNA sequence analysis. Pp. 81–107 in P. J. Rudall, P. J. Cribb, D. F. Cutler, and C. J. Humphries, eds. Monocotyledons: systematics and evolution. Royal Botanic Gardens, Kew, United Kingdom.
4. Bogner, J., and S. J. Mayo. 1998. Acoraceae. Pp. 7–11 in K. Kubitzki, ed. The families and genera of vascular plants. Vol. 4. Springer Verlag, N. Y.
5. Chase, M. W., D. E. Soltis, P. S. Soltis et al. (13 co-authors). 2000. Higher-level systematics of the monocotyledons: an assessment of current knowledge and a new classification. Pp. 3–16 in K. L. Wilson and D. A. Morrison, eds. Monocots: systematics and evolution. CSIRO, Melbourne, Australia.