brierpatch vs flora

brierpatch and flora both are nouns.

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

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

Other hypernyms of brierpatch include botany, vegetation.

brierpatch (noun)	flora (noun)
tangled mass of prickly plants	(botany) a living organism lacking the power of locomotion
	all the plant life in a particular region or period