family Labiatae vs genus Pycnanthemum

family Labiatae and genus Pycnanthemum both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Labiatae	Yes	No	No	No
genus Pycnanthemum	Yes	No	No	No

family Labiatae (noun)	genus Pycnanthemum (noun)
a large family of aromatic herbs and shrubs having flowers resembling the lips of a mouth and four-lobed ovaries yielding four one-seeded nutlets and including mint, thyme, sage, rosemary	American mountain mint