sheep sorrel vs Rumex acetosella

sheep sorrel and Rumex acetosella both are nouns.

Word	Noun	Adjective	Verb	Adverb
sheep sorrel	Yes	No	No	No
Rumex acetosella	Yes	No	No	No

As nouns, sheep sorrel and Rumex acetosella are synonyms defined as:

sheep sorrel and Rumex acetosella: small plant having pleasantly acid-tasting arrow-shaped leaves; common in dry places

Other synonyms of sheep sorrel include sheep's sorrel.

sheep sorrel (noun)	Rumex acetosella (noun)
small plant having pleasantly acid-tasting arrow-shaped leaves; common in dry places	small plant having pleasantly acid-tasting arrow-shaped leaves; common in dry places