Lycopus americanus var. laurentianus (Rolland-Germain) B. Boivin

Lycopus americanus var. laurentianus (Rolland-Germain) B. Boivin is a synonym sensu TROPICOS of:

Lycopus americanus subsp. laurentianus (Rolland-Germain) Coursol & Bailleul, an accepted subspecies name sensu Bailleul & Coursol, 2020.