Template:Steane et al., 2004
- Steane, D.A., de Kok, R.P.J. & Olmstead, R.G. 2004. Phylogenetic relationships between Clerodendron (Lamiaceae) and other ajugoid genera inferred from nuclear and chloroplast DNA sequence data. Molecular Phylogenetics and Evolution 32(1): 39-45. DOI: 10.1016/j.ympev.2003.11.011 Full text PDF