Template:Middleton et al., 2013
- Middleton, D.J., Weber, A., Yao, T.L., Sontag, S. & Möller, M. 2013. The current status of the species hitherto assigned to Henckelia (Gesneriaceae). Edinburgh Journal of Botany 70(3): 385-404. DOI: 10.1017/S0960428613000127
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