Phalaris tuberosa vs Phalaris aquatica

Phalaris tuberosa and Phalaris aquatica both are nouns.

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

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

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

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

Phalaris tuberosa (noun)	Phalaris aquatica (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