beach heather vs Hudsonia tomentosa

beach heather and Hudsonia tomentosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
beach heather	Yes	No	No	No
Hudsonia tomentosa	Yes	No	No	No

As nouns, beach heather and Hudsonia tomentosa are synonyms defined as:

beach heather and Hudsonia tomentosa: small heathlike plant covered with white down growing on beaches in northeastern North America

Other synonyms of beach heather include poverty grass.

beach heather (noun)	Hudsonia tomentosa (noun)
small heathlike plant covered with white down growing on beaches in northeastern North America	small heathlike plant covered with white down growing on beaches in northeastern North America