“…These analyses provided a framework for our investigation of the phylogenetic relationships amongst Youngia, Paraixeris and Crepidiastrum. The nuclear ribosomal internal transcribed spacer (ITS) has been shown to be a useful source of information for resolving interspecific relationships in the Asteraceae (Baldwin 1992, Sang et al 1994, Sang et al 1995, Kim et al 1996, Kim et al 2005, Clevinger & Panero 2000, Francisco-Ortega et al 2001, Liu et al 2002, Zhang et al 2011. In addition, the plastid trnL-F, atpB-rbcL and rps16 regions have been used to reconstruct the phylogeny of some taxa of the family Asteraceae (Kim et al 2005, Wang et al 2007, Nakamura 2012.…”