In the US, this aquatic plant is a federally declared noxious weed. That means that its importation, sale, and transportation (interstate...Read More and intrastate) are illegal.
In addition, 8 states have prohibited it, quarantined it, or declared it a noxious weed.
In the US, this aquatic plant is a federally declared noxious weed. That means that its importation, sale, and transportation (interstate...Read More