Flamini, G.; Cioni, P. L.; Morelli, I. (2005). "Composition of the essential oils and in vivo emission of volatiles of four Lamium species from Italy: L. Purpureum, L. Hybridum, L. Bifidum and L. Amplexicaule". Food Chemistry. 91: 63–68. doi:10.1016/j.foodchem.2004.05.047.
Suzuki, H. (2004). "CDNA cloning and functional characterization of flavonol 3-O-glucoside-6"-O-malonyltransferases from flowers of Verbena hybrida and Lamium purpureum". Journal of Molecular Catalysis B: Enzymatic. 28 (2–3): 87–93. doi:10.1016/j.molcatb.2004.01.005.
