References
Henderson, N.C. 1962. A taxonomic revision of the genus Lycopus (Labiatae). Amer. Midl. Nat. 68: 95-138. Google Scholar
Henderson, N.C. 1962. A taxonomic revision of the genus Lycopus (Labiatae). Amer. Midl. Nat. 68: 95-138. Google Scholar