Liatris vs genus Liatris

Liatris and genus Liatris both are nouns.

Word	Noun	Adjective	Verb	Adverb
Liatris	Yes	No	No	No
genus Liatris	Yes	No	No	No

As nouns, Liatris and genus Liatris are synonyms defined as:

Liatris and genus Liatris: genus of perennial North American herbs with aromatic usually cormous roots

Liatris (noun)	genus Liatris (noun)
genus of perennial North American herbs with aromatic usually cormous roots	genus of perennial North American herbs with aromatic usually cormous roots