Bottomland mixed hardwood/softwood forest.
Hairy, silvery. Probably hybrid. If so for sure Mentha arvensis is one of the parental species. Quite frequent in cultivation but generally in older gardens.
Tidal marsh
Aquatic/terrestrial herb. Rosette forming leaves obovate to 100mm long. Pale to white beneath.
Habitat slowmoving water in gutter in accompaniment with rushes, pondweed and green algal filamentous slime.
Tidal marsh
Tidal marsh