Template:Albach et al., 2008
- Albach, D.C., Martínez-Ortega, M.M., Delgado, L., Weiss-Schneeweiss, H., Özgökce, F. & Fischer, M.A. 2008. Chromosome Numbers in Veroniceae (Plantaginaceae): Review and Several New Counts. Annals of the Missouri Botanical Garden 95(4): 543-567. DOI: 10.3417/2006094 PDF from ResearchGate