Phalaris aquatica vs Phalaris tuberosa

Phalaris aquatica and Phalaris tuberosa both are nouns.

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

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

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

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

Phalaris aquatica (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