Vallisneria spiralis vs tape grass

Vallisneria spiralis and tape grass both are nouns.

Word	Noun	Adjective	Verb	Adverb
Vallisneria spiralis	Yes	No	No	No
tape grass	Yes	No	No	No

As nouns, Vallisneria spiralis and tape grass are synonyms defined as:

Vallisneria spiralis and tape grass: submerged aquatic plant with ribbonlike leaves; Old World and Australia

Other synonyms of Vallisneria spiralis include eelgrass, wild celery.

Vallisneria spiralis (noun)	tape grass (noun)
submerged aquatic plant with ribbonlike leaves; Old World and Australia	submerged aquatic plant with ribbonlike leaves; Old World and Australia