grass family vs genus Saccharum

grass family and genus Saccharum both are nouns.

Word	Noun	Adjective	Verb	Adverb
grass family	Yes	No	No	No
genus Saccharum	Yes	No	No	No

grass family (noun)	genus Saccharum (noun)
the grasses: chiefly herbaceous but some woody plants including cereals, bamboo, reeds, sugar cane	tall perennial reedlike grass originally of southeastern Asia: sugarcane