@article {539,
	title = {Contribution of vegetative anatomy to the systematics of the Zygophyllaceae},
	journal = {Botanical Journal of the Linnean Society Botanical Journal of the Linnean Society},
	number = {113},
	year = {1993},
	pages = {227-262},
	author = {Sheahan, M. C., and Cutler, D. F.}
}
