@article {598,
	title = {Cytisus purgans auct. (Leguminosae-Papilionoideae) comprises four distinct species},
	journal = {Bot. J. Linn. Soc.Bot. J. Linn. Soc.},
	volume = {125},
	year = {1997},
	pages = {331-342},
	author = {Talavera,S.\&Gibbs,P.}
}
