Rorippa vs Rorippa amphibia

Rorippa and Rorippa amphibia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rorippa	Yes	No	No	No
Rorippa amphibia	Yes	No	No	No

Rorippa (noun)	Rorippa amphibia (noun)
annual and perennial herbs of damp habitats; cosmopolitan except Antarctica	perennial herb found on streams and riversides throughout Europe except extreme north and Mediterranean; sometimes placed in genus Nasturtium