Nutsedges are a kind of plant with long, thin leaves and little seeds. They are like grass, but they are not grass.
Nutsedges are just plants, so they are neither good nor bad.
Examples:
The nutsedges grow near the water.
I don't like the nutsedges in our garden.
She picks the nutsedges and throws them away.
The nutsedges are like little green hairs on the ground.
There are so many nutsedges, it's like a green carpet!
The nutsedges are everywhere, like a forest of tiny trees.