Pteridium aquilinum vs bracken

Pteridium aquilinum and bracken both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pteridium aquilinum	Yes	No	No	No
bracken	Yes	No	No	No

As nouns, Pteridium aquilinum and bracken are synonyms defined as:

Pteridium aquilinum and bracken: large coarse fern often several feet high; essentially weed ferns; cosmopolitan

Other synonyms of Pteridium aquilinum include brake, pasture brake.

Pteridium aquilinum (noun)	bracken (noun)
large coarse fern often several feet high; essentially weed ferns; cosmopolitan	large coarse fern often several feet high; essentially weed ferns; cosmopolitan
	fern of southeastern Asia; not hardy in cold temperate regions