For Lamium
Harley et al. In Kadereit, J.W. 2004. The families and genera of vascular plants. VII. Flowering plants – Dicotyledons – Lamiales (except Acanthaceae including Avicenniaceae). Springer, Berlin. 478 pp.
McMullen, C.K., and T.W. Lowry. 2019. Noteworthy Collections: Virginia: Lamium galeobdolon (L.) L. (Lamiaceae). Castanea 84: 4-5.
Mennema, J. 1989. A taxonomic revision of Lamium (Lamiaceae). Leiden Botanical Series 11: 1-196.