Prenanthes alba vs white lettuce

Prenanthes alba and white lettuce both are nouns.

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

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

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

Other synonyms of Prenanthes alba include cankerweed, Nabalus alba.

Prenanthes 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