Onoclea struthiopteris vs ostrich fern

Onoclea struthiopteris and ostrich fern both are nouns.

Word	Noun	Adjective	Verb	Adverb
Onoclea struthiopteris	Yes	No	No	No
ostrich fern	Yes	No	No	No

As nouns, Onoclea struthiopteris and ostrich fern are synonyms defined as:

Onoclea struthiopteris and ostrich fern: tall fern of northern temperate regions having graceful arched fronds and sporophylls resembling ostrich plumes

Other synonyms of Onoclea struthiopteris include fiddlehead, Matteuccia struthiopteris, Pteretis struthiopteris, shuttlecock fern.

Onoclea struthiopteris (noun)	ostrich fern (noun)
tall fern of northern temperate regions having graceful arched fronds and sporophylls resembling ostrich plumes	tall fern of northern temperate regions having graceful arched fronds and sporophylls resembling ostrich plumes