Synonyms for Buffalo Grass (same or very similar meaning)
WordNet sense 1 (low mat-forming grass of southern United States and tropical America; grown as a lawn grass):
St. Augustine grass, Stenotaphrum secundatumWordNet sense 2 (short grass growing on dry plains of central United States (where buffalo roam)):
Buchloe dactyloidesFrom the ODE community, based on WordNetadd/edit