Rorippa islandica vs marsh cress

Rorippa islandica and marsh cress both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rorippa islandica	Yes	No	No	No
marsh cress	Yes	No	No	No

As nouns, Rorippa islandica and marsh cress are synonyms defined as:

Rorippa islandica and marsh cress: annual or biennial cress growing in damp places sometimes used in salads or as a potherb; troublesome weed in some localities

Other synonyms of Rorippa islandica include yellow watercress.

Rorippa islandica (noun)	marsh cress (noun)
annual or biennial cress growing in damp places sometimes used in salads or as a potherb; troublesome weed in some localities	annual or biennial cress growing in damp places sometimes used in salads or as a potherb; troublesome weed in some localities