ribwort vs Plantago lanceolata

ribwort and Plantago lanceolata both are nouns.

Word	Noun	Adjective	Verb	Adverb
ribwort	Yes	No	No	No
Plantago lanceolata	Yes	No	No	No

As nouns, ribwort and Plantago lanceolata are synonyms defined as:

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

Other synonyms of ribwort include buckthorn, English plantain, narrow-leaved plantain, ribgrass, ripple-grass.

ribwort (noun)	Plantago lanceolata (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