shrubbery vs flora

shrubbery and flora both are nouns.

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

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

Other hypernyms of shrubbery include botany, vegetation.

shrubbery (noun)	flora (noun)
a collection of shrubs growing together	(botany) a living organism lacking the power of locomotion
an area where a number of shrubs are planted	all the plant life in a particular region or period