Bengt Oxelman, Per Kornhall, Richard G. Olmstead, Birgitta Bremer (2005). „Further disintegration of Scrophulariaceae”. Taxon54 (2), 411–425. o. DOI:10.2307/25065369.
R. Rahmanzadeh, K. Müller, E. Fischer, D. Bartels, T. Borsch (2005). „The Linderniaceae and Gratiolaceae are further Lineages Distinct from the Scrophulariaceae (Lamiales)”. Plant Biology (Stuttgart)7 (1), 67–78. o. DOI:10.1055/s-2004-830444.
Haston, E., Richardson, J. E., Stevens, P. F., Chase, M. W., Harris, D. J. (2007). „A linear sequence of Angiosperm Phylogeny Group II families”. Taxon56 (1), 7–12. o. DOI:10.1111/j.1095-8339.2009.01000.x.
issn.org
portal.issn.org
P. W. Fritsch, F. Almeda, A. B. Martins, B. C. Cruz und D. Estes: Rediscovery and Phylogenetic Placement of Philcoxia minensis (Plantaginaceae), with a Test of Carnivory. In: Proceedings of the California Academy of Science 58, 2007, S. 447–467, ISSN0068-547x.