References

For Tofieldiaceae

Azuma, H., and H. Tobe. 2011. Molecular phylogenetic analyses of Tofieldiaceae (Alismatales): family circumscription and intergeneric relationships. J. Plant Res. 124: 349-357. Google Scholar

Tamura, M.N. 1998a. Calochortaceae. Pp. 164-172. In Kubitzki, K., ed. 1998a. The families and genera of vascular plants. III. Flowering plants – Monocotyledons – Lilianae (except Orchidaceae). Springer, Berlin. 478 pp. Google Scholar

Zomlefer, W.B. 1997c. The genera of Tofieldiaceae in the southeastern United States. Harvard Papers in Botany 2: 179-194. Google Scholar

Zomlefer, W.B. 1999. Advances in angiosperm systematics: examples from the Liliales and Asparagales. J. Torrey Bot. Soc. 126: 58-62. Google Scholar