Nabalus alba vs white lettuce

Nabalus alba and white lettuce both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nabalus alba	Yes	No	No	No
white lettuce	Yes	No	No	No

As nouns, Nabalus alba and white lettuce are synonyms defined as:

Nabalus alba and white lettuce: herb of northeastern North America having drooping clusters of yellowish-white flowers; sometimes placed in genus Prenanthes

Other synonyms of Nabalus alba include cankerweed, Prenanthes alba.

Nabalus alba (noun)	white lettuce (noun)
herb of northeastern North America having drooping clusters of yellowish-white flowers; sometimes placed in genus Prenanthes	herb of northeastern North America having drooping clusters of yellowish-white flowers; sometimes placed in genus Prenanthes