Tripp, E. A.; Fatimah, S. (2012). "Comparative anatomy, morphology, and molecular phylogenetics of the African genus Satanocrater (Acanthaceae)". American Journal of Botany. 99 (6): 967–982. doi:10.3732/ajb.1100354. PMID22575370.
Tripp, E. A.; Fatimah, S. (2012). "Comparative anatomy, morphology, and molecular phylogenetics of the African genus Satanocrater (Acanthaceae)". American Journal of Botany. 99 (6): 967–982. doi:10.3732/ajb.1100354. PMID22575370.