@article {selvi_phylogenetic_2004,
	title = {The phylogenetic relationships of Cynoglottis (Boraginaceae-Boragineae) inferred from {ITS}, {5.8S} and {trnL} sequences},
	volume = {246},
	number = {3-4},
	year = {2004},
	pages = {195{\textendash}209},
	author = {Federico Selvi and Papini, A. and HH Hilger and Bigazzi, M. and Nardi, E.}
}
@article {hilger_molecular_2004,
	title = {Molecular systematics of Boraginaceae tribe Boragineae based on {ITS1} and {trnL} sequences, with special reference to Anchusa s.l.},
	volume = {94},
	year = {2004},
	pages = {201{\textendash}212},
	author = {HH Hilger and Federico Selvi and Papini, A. and Bigazzi, M.}
}
