Lycopus americanus from Canada for validation-GS06122021-3: 2 high res. images.
Lycopus americanus photographed from Rattray Marsh, Mississauga, Canada, 23-8-2019. Kindly confirm.
I think looks different from images at
https://www.wildflower.org/plants/result.php?id_plant=lyam
https://www.minnesotawildflowers.info/flower/american-water-horehound
https://gobotany.nativeplanttrust.org/species/lycopus/americanus/
https://www.illinoiswildflowers.info/wetland/plants/am_bugleweed.htm
I will check.