field sandbur vs Cenchrus tribuloides

field sandbur and Cenchrus tribuloides both are nouns.

Word	Noun	Adjective	Verb	Adverb
field sandbur	Yes	No	No	No
Cenchrus tribuloides	Yes	No	No	No

As nouns, field sandbur and Cenchrus tribuloides are synonyms defined as:

field sandbur and Cenchrus tribuloides: grass of the eastern United States and tropical America having spikelets enclosed in prickly burs

Other synonyms of field sandbur include sandbur, sandspur.

field sandbur (noun)	Cenchrus tribuloides (noun)
grass of the eastern United States and tropical America having spikelets enclosed in prickly burs	grass of the eastern United States and tropical America having spikelets enclosed in prickly burs