Tussilago vs Tussilago farfara

Tussilago and Tussilago farfara both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tussilago	Yes	No	No	No
Tussilago farfara	Yes	No	No	No

Tussilago (noun)	Tussilago farfara (noun)
genus of low creeping yellow-flowered perennial herbs of north temperate regions: coltsfoots; in some classifications includes species often placed in other genera especially Homogyne and Petasites	perennial herb with large rounded leaves resembling a colt's foot and yellow flowers appearing before the leaves do; native to Europe but now nearly cosmopolitan; used medicinally especially formerly