centipede grass

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A low, mat-forming perennial grass (Eremochloa ophiuroides) native to Southeast Asia and cultivated for lawns in warm regions such as the southeast United States.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Eremochloa ophiuroides, a coarse thick lawngrass with short upright stems, native to southern China and later introduced to the United States.