sedge family vs Cyperus

sedge family and Cyperus both are nouns.

Word	Noun	Adjective	Verb	Adverb
sedge family	Yes	No	No	No
Cyperus	Yes	No	No	No

As nouns, Cyperus is a hyponym of sedge family; that is, Cyperus is a word with a more specific, narrower meaning than sedge family:

sedge family: bulrush, chufa, cotton grass, papyrus, umbrella plant
Cyperus: type genus of Cyperaceae; grasslike rhizomatous herbs; cosmopolitan except very cold regions

Other hyponyms of sedge family include genus Cyperus.

sedge family (noun)	Cyperus (noun)
bulrush, chufa, cotton grass, papyrus, umbrella plant	type genus of Cyperaceae; grasslike rhizomatous herbs; cosmopolitan except very cold regions