C. E.  Edwards, Lefkowitz, D., Soltis, D. E., and Soltis, P. S., ?Phylogeny of Conradina and related southeastern scrub mints (Lamiaceae) based on GapC gene sequences?, International Journal of Plant Sciences, vol. 169, pp. 579?594, 2008.

H. - K.  Moon, Vinckier, S., Walker, J. B., Smets, E., and Huysmans, S., ?A search for phylogenetically informative pollen characters in the subtribe Salviinae (Mentheae : Lamiaceae)?, International Journal of Plant Sciences, vol. 169, pp. 455?471, 2008.

C. E.  Edwards, Lefkowitz, D., Soltis, D. E., and Soltis, P. S., ?Phylogeny of Conradina and related southeastern scrub mints (Lamiaceae) based on GapC gene sequences?, International Journal of Plant Sciences, vol. 169, pp. 579?594, 2008.