Bermuda grass has or stems that grow along the ground and produce roots, stems, and leaves.
stolons
tubers
rhizomes
corms

Rhizomes

Bermuda grass has rhizomes, or stems that grow along the ground and produce roots, stems, and leaves. 

Grasses that commonly grow in temperate grasslands includes blue gamma grass, Johnson grass, buffalo grass, and various types of wheat and burley. Temperate grasslands are found in less tropical ecosystem, have larger temperature fluctuation during the year, and have less rainfall.