Onoclea struthiopteris vs Matteuccia struthiopteris

Onoclea struthiopteris and Matteuccia struthiopteris both are nouns.

Word	Noun	Adjective	Verb	Adverb
Onoclea struthiopteris	Yes	No	No	No
Matteuccia struthiopteris	Yes	No	No	No

As nouns, Onoclea struthiopteris and Matteuccia struthiopteris are synonyms defined as:

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

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

Onoclea struthiopteris (noun)	Matteuccia struthiopteris (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