sand sedge vs Carex arenaria

sand sedge and Carex arenaria both are nouns.

Word	Noun	Adjective	Verb	Adverb
sand sedge	Yes	No	No	No
Carex arenaria	Yes	No	No	No

As nouns, sand sedge and Carex arenaria are synonyms defined as:

sand sedge and Carex arenaria: European maritime sedge naturalized along Atlantic coast of United States; rootstock has properties of sarsaparilla

Other synonyms of sand sedge include sand reed.

sand sedge (noun)	Carex arenaria (noun)
European maritime sedge naturalized along Atlantic coast of United States; rootstock has properties of sarsaparilla	European maritime sedge naturalized along Atlantic coast of United States; rootstock has properties of sarsaparilla