plantlet vs flora

plantlet and flora both are nouns.

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

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

Other hypernyms of plantlet include plant, plant life.

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