Template:Schilling & Panero, 2002
- Schilling, E.E. & Panero, J.L. 2002. A revised classification of subtribe Helianthinae (Asteraceae: Heliantheae). I. Basal lineages. Botanical Journal of the Linnean Society 140(1): 65-76. DOI: 10.1046/j.1095-8339.2002.00079.x