@article {770,
	title = {Revisi{\'o}n del g{\'e}nero Scorzonera L. ( Compositae, Lactuceae) en la Pen{\'\i}nsula Ib{\'e}rica},
	journal = {Anales Jard. Bot. MadridAnales Jard. Bot. Madrid},
	volume = {43},
	year = {1987},
	pages = {271-354},
	author = {D{\'\i}azdelaGuardia,C.\&Blanca,G.}
}
