bracken vs Pteridium esculentum

bracken and Pteridium esculentum both are nouns.

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

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

bracken and Pteridium esculentum: fern of southeastern Asia; not hardy in cold temperate regions

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