Helianthemum scoparium vs rush rose

Helianthemum scoparium and rush rose both are nouns.

Word	Noun	Adjective	Verb	Adverb
Helianthemum scoparium	Yes	No	No	No
rush rose	Yes	No	No	No

As nouns, Helianthemum scoparium and rush rose are synonyms defined as:

Helianthemum scoparium and rush rose: woody yellow-flowered perennial of southeastern United States

Helianthemum scoparium (noun)	rush rose (noun)
woody yellow-flowered perennial of southeastern United States	woody yellow-flowered perennial of southeastern United States