Stellaria media vs common chickweed

Stellaria media and common chickweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Stellaria media	Yes	No	No	No
common chickweed	Yes	No	No	No

As nouns, Stellaria media and common chickweed are synonyms defined as:

Stellaria media and common chickweed: a common low-growing annual garden weed with small white flowers; cosmopolitan; so-called because it is eaten by chickens

Stellaria media (noun)	common chickweed (noun)
a common low-growing annual garden weed with small white flowers; cosmopolitan; so-called because it is eaten by chickens	a common low-growing annual garden weed with small white flowers; cosmopolitan; so-called because it is eaten by chickens