flora vs ground cover

flora and ground cover both are nouns.

Word	Noun	Adjective	Verb	Adverb
flora	Yes	No	No	No
ground cover	Yes	No	No	No

As nouns, ground cover is a hyponym of flora; that is, ground cover is a word with a more specific, narrower meaning than flora:

flora: all the plant life in a particular region or period
ground cover: low-growing plants planted in deep shade or on a steep slope where turf is difficult to grow

flora (noun)	ground cover (noun)
(botany) a living organism lacking the power of locomotion	small plants other than saplings growing on a forest floor
all the plant life in a particular region or period	low-growing plants planted in deep shade or on a steep slope where turf is difficult to grow