buffalo grass vs Stenotaphrum secundatum

buffalo grass and Stenotaphrum secundatum both are nouns.

Word	Noun	Adjective	Verb	Adverb
buffalo grass	Yes	No	No	No
Stenotaphrum secundatum	Yes	No	No	No

As nouns, buffalo grass and Stenotaphrum secundatum are synonyms defined as:

buffalo grass and Stenotaphrum secundatum: low mat-forming grass of southern United States and tropical America; grown as a lawn grass

Other synonyms of buffalo grass include St. Augustine grass.

buffalo grass (noun)	Stenotaphrum secundatum (noun)
short grass growing on dry plains of central United States (where buffalo roam)	low mat-forming grass of southern United States and tropical America; grown as a lawn grass
low mat-forming grass of southern United States and tropical America; grown as a lawn grass