The bulbils on the vines sprout and become new vines, twisting around each other to form a thick mat.

Open habitat with a thick mat of perennial grass favors voles.

It forms a thick mat that may prevent other plants from sprouting up.

The sides of the river are covered with a thick mat of vegetation.

The chemosynthetic bacteria grow into a thick mat which attracts other organisms, such as amphipods and copepods, which graze upon the bacteria directly.