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Nylinder, Stephan (Apr 2, 2013). "Species tree phylogeny and character evolution in the genus Centipeda (Asteraceae): Evidence from DNA sequences from coding and non-coding loci from the plastid and nuclear genomes". Molecular Phylogenetics and Evolution. 68 (2): 239–250. doi:10.1016/j.ympev.2013.03.020. PMID23558159.