canary grass vs Phalaris canariensis

canary grass and Phalaris canariensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
canary grass	Yes	No	No	No
Phalaris canariensis	Yes	No	No	No

As nouns, canary grass and Phalaris canariensis are synonyms defined as:

canary grass and Phalaris canariensis: Canary Islands grass; seeds used as feed for caged birds

Other synonyms of canary grass include birdseed grass.

canary grass (noun)	Phalaris canariensis (noun)
Canary Islands grass; seeds used as feed for caged birds	Canary Islands grass; seeds used as feed for caged birds