Template:Roalson et al., 2005
- Roalson, E.H., Boggan, J.K. & Skog, L.E. 2005. Reorganization of tribal and generic boundaries in the Gloxinieae (Gesneriaceae: Gesnerioideae) and the description of a new tribe in the Gesnerioideae, Sphaerorrhizeae. Selbyana 25(2): 225–238. JSTOR
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