ball nightshade vs Solanum carolinense

ball nightshade and Solanum carolinense both are nouns.

Word	Noun	Adjective	Verb	Adverb
ball nightshade	Yes	No	No	No
Solanum carolinense	Yes	No	No	No

As nouns, ball nightshade and Solanum carolinense are synonyms defined as:

ball nightshade and Solanum carolinense: coarse prickly weed having pale yellow flowers and yellow berrylike fruit; common throughout southern and eastern United States

Other synonyms of ball nightshade include ball nettle, bull nettle, horse nettle.

ball nightshade (noun)	Solanum carolinense (noun)
coarse prickly weed having pale yellow flowers and yellow berrylike fruit; common throughout southern and eastern United States	coarse prickly weed having pale yellow flowers and yellow berrylike fruit; common throughout southern and eastern United States