family Orchidaceae vs genus Spiranthes

family Orchidaceae and genus Spiranthes both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Orchidaceae	Yes	No	No	No
genus Spiranthes	Yes	No	No	No

family Orchidaceae (noun)	genus Spiranthes (noun)
enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers	large cosmopolitan genus of white-flowered terrestrial orchids