Phylogenetic Utility of the External Transcribed Spacer (ETS)of 18S-26S rDNA: Congruence of ETS and ITS Trees of Calycadenia (Compositae)

Phylogenetic Utility of the External Transcribed Spacer (ETS)of 18S-26S rDNA: Congruence of ETS and ITS Trees of Calycadenia (Compositae) - Molecular Phylogenetics and Evolution, 10(3), p.449-463, 1998 .