Template:Knapp, 2008a
- Knapp, S.D. 2008. A Revision of the Solanum havanense Species Group and New Taxonomic Additions to the Geminata Clade (Solanum, Solanaceae). Annals of the Missouri Botanical Garden 95(3): 405–458. DOI: 10.3417/2006159 JSTOR BHL.