Phylogenetic relationships among species of Hypochaeris (Asteraceae, Cichorieae) based on ITS, plastid trnL intron, trnL-F spacer, and matK sequences.
Samuel R, Stuessy TF, Tremetsberger K, Baeza CM, Siljak-Yakovlev S. Am J Bot. 2003 Mar; 90(3):496-507.