PERRET, M. et al. Systematics and evolution of tribe Sinningieae (Gesneriaceae): evidence from phylogenetic analyses of six plastid DNA regions and nuclear ncpGS. American Journal of Botany. Mar 2003, čís. 90(3), s. 445–460. Dostupné online.[nedostupný zdroj]
ZAITLIN, David. Intraspecific diversity in Sinningia speciosa (Gesneriaceae: Sinningieae), and possible origins of the cultivated
florist’s gloxinia. AoB PLANTS. Oct 2012. Dostupné online.