Template:Xia, Wang & Smith, 2009
- Xia, Z., Wang, Y.-Z. & Smith, J.F. 2009. Familial placement and relations of Rehmannia and Triaenophora (Scrophulariaceae s.l.) inferred from five gene regions. American Journal of Botany 96: 519–530. DOI: 10.3732/ajb.0800195
