Harding grass vs toowomba canary grass

Harding grass and toowomba canary grass both are nouns.

Word	Noun	Adjective	Verb	Adverb
Harding grass	Yes	No	No	No
toowomba canary grass	Yes	No	No	No

As nouns, Harding grass and toowomba canary grass are synonyms defined as:

Harding grass and toowomba canary grass: perennial grass of Australia and South Africa; introduced in North America as forage grass

Other synonyms of Harding grass include hardinggrass, Phalaris aquatica, Phalaris tuberosa.

Harding grass (noun)	toowomba canary grass (noun)
perennial grass of Australia and South Africa; introduced in North America as forage grass	perennial grass of Australia and South Africa; introduced in North America as forage grass