Minnesota Statutes Conservation (Ch. 84A-84D) § 84D.09. Aquatic macrophytes

(1) that are duckweeds in the family Lemnaceae;

(2) for purposes of constructing shooting or observation blinds in amounts sufficient for that purpose, provided that the aquatic macrophytes are emergent and cut above the waterline;

(3) when legally purchased or traded by or from commercial or hobbyist sources for aquarium, wetland or lakeshore restoration, or ornamental purposes;

(4) when harvested for personal or commercial use if in a motor vehicle;

(5) to the department, or another destination as the commissioner may direct, in a sealed container for purposes of identifying a species or reporting the presence of a species;

(6) that are wild rice harvested under section 84.091;

(7) in the form of fragments of emergent aquatic macrophytes incidentally transported in or on watercraft or decoys used for waterfowl hunting during the waterfowl season;

(8) when removing water-related equipment from waters of the state for purposes of cleaning off aquatic macrophytes before leaving a water-access site; or

(9) when being transported from riparian property to a legal disposal site that is at least 100 feet from any surface water, ditch, or seasonally flooded land, provided the aquatic macrophytes are in a covered commercial vehicle specifically designed and used for hauling trash.