golden thread vs Coptis groenlandica

golden thread and Coptis groenlandica both are nouns.

Word	Noun	Adjective	Verb	Adverb
golden thread	Yes	No	No	No
Coptis groenlandica	Yes	No	No	No

As nouns, golden thread and Coptis groenlandica are synonyms defined as:

golden thread and Coptis groenlandica: low-growing perennial of North America woodlands having trifoliate leaves and yellow rootstock and white flowers

Other synonyms of golden thread include Coptis trifolia groenlandica, goldthread.

golden thread (noun)	Coptis groenlandica (noun)
low-growing perennial of North America woodlands having trifoliate leaves and yellow rootstock and white flowers	low-growing perennial of North America woodlands having trifoliate leaves and yellow rootstock and white flowers