@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.} }