@article {721,
	title = {Notes on the prealpine flora of the Picos de Europa, Spain},
	journal = {Notes Roy. Bot. Gard. EdinburghNotes Roy. Bot. Gard. Edinburgh},
	volume = {23},
	year = {1959},
	pages = {25-46},
	author = {Dresser,D.W.}
}
@article {446,
	title = {Aportaciones al conocimiento de la FloraC{\'a}ntabro-Astur. III},
	journal = {Collect. Bot. (Barcelona)Collect. Bot. (Barcelona)},
	volume = {5},
	year = {1959},
	pages = {371-696},
	author = {La{\'\i}nz,M.}
}
