Robuta

https://www.alberta.ca/invasive-aquatic-plants
Invasive aquatic plants can reduce biological diversity, affect water quality and interfere with recreational opportunities.
invasive aquatic plantsalbertaca
https://www.scirp.org/journal/paperinformation?paperid=100709
Invasive aquatic plants include plants and algae that grow partially or entirely submerged in water. The United States Department of Agriculture Early...
invasive aquatic plantscurrent statusassessmentlouisiana
https://www.maine.gov/dep/water/invasives/hydrilla_text.html
invasive aquatic plantsenvironmental protectionhydrillamainedepartment
https://mainelegislature.org/statutes/38/title38ch20-Bsec0.html
invasive aquatic plantstitlechapterbnuisance