Harding grass vs Phalaris tuberosa

Harding grass and Phalaris tuberosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
Harding grass	Yes	No	No	No
Phalaris tuberosa	Yes	No	No	No

As nouns, Harding grass and Phalaris tuberosa are synonyms defined as:

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

Other synonyms of Harding grass include hardinggrass, Phalaris aquatica, toowomba canary grass.

Harding grass (noun)	Phalaris tuberosa (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