Wei Wang; An-Ming Lu; Yi Ren; Mary E. Endress; Zhi-Duan Chen (2009). "Phylogeny and Classification of Ranunculales: Evidence from four molecular loci and morphological data". Perspectives in Plant Ecology, Evolution and Systematics. 11 (2): 81–110. Bibcode:2009PPEES..11...81W. doi:10.1016/j.ppees.2009.01.001.
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Wei Wang; An-Ming Lu; Yi Ren; Mary E. Endress; Zhi-Duan Chen (2009). "Phylogeny and Classification of Ranunculales: Evidence from four molecular loci and morphological data". Perspectives in Plant Ecology, Evolution and Systematics. 11 (2): 81–110. Bibcode:2009PPEES..11...81W. doi:10.1016/j.ppees.2009.01.001.