@book{6211,
	author = {Judd, Walter S.},
	title = {Plant systematics :},
	publisher = {Sinauer Associates, },
	year = {c2008},
	address = {Sunderland, MA :},
	edition = {3 ed.},
	url = {https://www.cicy.mx/sitios/sib/doctoelectronico/6706.pdf}
}