参考文献
Gentry, H.S. 1982. Agaves of Continental North America. The University of Texas Press, Tuscon, Arizona, USA.
Gibson, A.C. 1996. Structure-Function Relations of Warm Desert Plants.
Springer-Verlag, Berlin, Heidelberg, Germany.
Irish, M., Irish, G. 2000. Agave, Yuccas, and Related Plants: A Gardener's
Guide. Timber Press, Portland, Oregon, USA.
