In New South Wales and its state of Australia , water has been declared Caltrop as a harmful weed . In New South Wales , and its state of Australia water caltrop has been declared a noxious weed .
Di New South Wales dan negerinya di Australia, air telah diisytiharkan sebagai Caltrop sebagai rumpai berbahaya. Di New South Wales, dan negeri Australia caltrop air telah diisytiharkan rumpai berbahaya.