The unwelcome plants have invaded the farms and are threatening to eat away the islanders' crops.
Because these grasses are highly competitive and form a thick sod, few plants can invade these areas and they will remain monocultures for many decades.
How many, and which, plants will invade natural areas?
On some stories, the plants invade the building, crawling down the interior walls.
In fact she'd thought the white poles were stripped saplings or some vestige of the farms that'd been in the bay before the plants invaded.
Using physical control methods while the plant is still invading will tend to enhance its rate of spread.
Also, when plants and animals invade (or are introduced) into a new land, they sometimes take over the niches of native organisms.
It also prevents the natural exchange of gases between the air & the body of water the plant has invaded causing the waterway to stagnate.
The plant has invaded the northern and north-western areas of Australia has the potential to spread further inland.
If these plants invade your yard or property, you may wish to remove them permanently.