wild tobacco vs Nicotiana rustica

wild tobacco and Nicotiana rustica both are nouns.

Word	Noun	Adjective	Verb	Adverb
wild tobacco	Yes	No	No	No
Nicotiana rustica	Yes	No	No	No

As nouns, wild tobacco and Nicotiana rustica are synonyms defined as:

wild tobacco and Nicotiana rustica: tobacco plant of South America and Mexico

Other synonyms of wild tobacco include Indian tobacco.

wild tobacco (noun)	Nicotiana rustica (noun)
tobacco plant of South America and Mexico	tobacco plant of South America and Mexico