Template:Lee et al., 2003
- Lee, J., Baldwin, B.G. & Gottlieb, L.D. 2003. Phylogenetic relationships among the primarily North American genera of Cichorieae (Compositae) based on analysis of 18S-26S nuclear rDNA ITS and ETS sequences. Systematic Botany 28(3): 616–626. JSTOR ResearchGate