Bromus tectorum vs downy cheat

Bromus tectorum and downy cheat both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bromus tectorum	Yes	No	No	No
downy cheat	Yes	No	No	No

As nouns, Bromus tectorum and downy cheat are synonyms defined as:

Bromus tectorum and downy cheat: annual or winter annual grass with softly hairy leaves of the Mediterranean

Other synonyms of Bromus tectorum include cheatgrass, downy brome, downy bromegrass, downy chess, drooping brome.

Bromus tectorum (noun)	downy cheat (noun)
annual or winter annual grass with softly hairy leaves of the Mediterranean	annual or winter annual grass with softly hairy leaves of the Mediterranean