flora vs threatened

flora is a noun but threatened is not a noun.

Word	Noun	Adjective	Verb	Adverb
flora	Yes	No	No	No
threatened	No	Yes	No	No

flora (noun)	threatened (noun)
(botany) a living organism lacking the power of locomotion
all the plant life in a particular region or period

flora (adjective)	threatened (adjective)
	(of flora or fauna) likely in the near future to become endangered