hardinggrass vs Phalaris tuberosa

hardinggrass and Phalaris tuberosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
hardinggrass	Yes	No	No	No
Phalaris tuberosa	Yes	No	No	No

As nouns, hardinggrass and Phalaris tuberosa are synonyms defined as:

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

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

hardinggrass (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