@article {6886, title = {Phylogenetic relationships in tribe Cardueae (Asteraceae) based on ITS sequences}, journal = {Amer. J. Bot}, volume = {82}, year = {1995}, month = {1995///}, pages = {1056 - 1068}, author = {A. Susanna and N. Garcia-Jacas and D.E. Soltis and P.S. Soltis} }