autotrophic organism vs flora

autotrophic organism and flora both are nouns.

Word	Noun	Adjective	Verb	Adverb
autotrophic organism	Yes	No	No	No
flora	Yes	No	No	No

As nouns, flora is a hypernym of autotrophic organism; that is, flora is a word with a broader meaning than autotrophic organism:

autotrophic organism: plant capable of synthesizing its own food from simple organic substances
flora: (botany) a living organism lacking the power of locomotion

Other hypernyms of autotrophic organism include plant, plant life.

autotrophic organism (noun)	flora (noun)
plant capable of synthesizing its own food from simple organic substances	(botany) a living organism lacking the power of locomotion
	all the plant life in a particular region or period