Pteretis struthiopteris vs Onoclea struthiopteris

Pteretis struthiopteris and Onoclea struthiopteris both are nouns.

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

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

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

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

Pteretis struthiopteris (noun)	Onoclea 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