Weed Sci. Fifty four (4): 620-626. doi:10.1614/WS-06-001R.1. Connecticut, Iowa, Massachusetts, New Hampshire, also restrict or ban the plant, and Vermont lists it as a class B noxious weed. 1994. First information of the aquatic weed Hygrophila polysperma (Acanthaceae) from Texas. Schmitz DC. 1985. Hygrophila polysperma, A assessment of the scientific literature. Some individuals prefer not … Цялата публикация “Youngsters, Work And Weed”