flora vs vegetation

flora and vegetation both are nouns.

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

As nouns, flora and vegetation are synonyms defined as:

flora and vegetation: all the plant life in a particular region or period

Other synonyms of flora include botany.

flora (noun)	vegetation (noun)
(botany) a living organism lacking the power of locomotion	inactivity that is passive and monotonous, comparable to the inactivity of plant life
all the plant life in a particular region or period	an abnormal growth or excrescence (especially a warty excrescence on the valves of the heart)
	all the plant life in a particular region or period
	the process of growth in plants