mustard family vs genus Lesquerella

mustard family and genus Lesquerella both are nouns.

Word	Noun	Adjective	Verb	Adverb
mustard family	Yes	No	No	No
genus Lesquerella	Yes	No	No	No

mustard family (noun)	genus Lesquerella (noun)
a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives	genus of low-growing hairy herbs: bladderpods