broad-leaved dock vs Rumex obtusifolius

broad-leaved dock and Rumex obtusifolius both are nouns.

Word	Noun	Adjective	Verb	Adverb
broad-leaved dock	Yes	No	No	No
Rumex obtusifolius	Yes	No	No	No

As nouns, broad-leaved dock and Rumex obtusifolius are synonyms defined as:

broad-leaved dock and Rumex obtusifolius: European dock with broad obtuse leaves and bitter rootstock common as a weed in North America

Other synonyms of broad-leaved dock include bitter dock, yellow dock.

broad-leaved dock (noun)	Rumex obtusifolius (noun)
European dock with broad obtuse leaves and bitter rootstock common as a weed in North America	European dock with broad obtuse leaves and bitter rootstock common as a weed in North America