Template:Appelhans et al., 2011
- Appelhans, M.S., Smets, E., Razafimandimbison, S.G., Haevermans, T., Van Marle, E.J., Couloux, A., Rabarison, H., Randrianarivelojosia, M. & Keßler, P.J.A. 2011. Phylogeny, evolutionary trends and classification of the Spathelia–Ptaeroxylon clade: morphological and molecular insights. Annals of Botany 107(8): 1259–1277. DOI: 10.1093/aob/mcr076
