Template:Olmstead et al., 2009
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- Olmstead, R.G., Zjhra, M.L., Lohmann, L.G., Grose, S.O. & Eckert, A.J. 2009. A molecular phylogeny and classification of Bignoniaceae. American Journal of Botany 96(9): 1731–1743. DOI: 10.3732/ajb.0900004 PDF