Plantago lanceolata vs ripple-grass

Plantago lanceolata and ripple-grass both are nouns.

Word	Noun	Adjective	Verb	Adverb
Plantago lanceolata	Yes	No	No	No
ripple-grass	Yes	No	No	No

As nouns, Plantago lanceolata and ripple-grass are synonyms defined as:

Plantago lanceolata and ripple-grass: an Old World plantain with long narrow ribbed leaves widely established in temperate regions

Other synonyms of Plantago lanceolata include buckthorn, English plantain, narrow-leaved plantain, ribgrass, ribwort.

Plantago lanceolata (noun)	ripple-grass (noun)
an Old World plantain with long narrow ribbed leaves widely established in temperate regions	an Old World plantain with long narrow ribbed leaves widely established in temperate regions