Erigeron vs genus Erigeron

Erigeron and genus Erigeron both are nouns.

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

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

Erigeron and genus Erigeron: cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally

Erigeron (noun)	genus Erigeron (noun)
cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally	cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally