Raoulia australis vs Raoulia lutescens

Raoulia australis and Raoulia lutescens both are nouns.

Word	Noun	Adjective	Verb	Adverb
Raoulia australis	Yes	No	No	No
Raoulia lutescens	Yes	No	No	No

As nouns, Raoulia australis and Raoulia lutescens are synonyms defined as:

Raoulia australis and Raoulia lutescens: perennial prostrate mat-forming herb with hoary woolly foliage

Other synonyms of Raoulia australis include sheep plant, vegetable sheep.

Raoulia australis (noun)	Raoulia lutescens (noun)
perennial prostrate mat-forming herb with hoary woolly foliage	perennial prostrate mat-forming herb with hoary woolly foliage