Pteretis struthiopteris vs Matteuccia struthiopteris

Pteretis struthiopteris and Matteuccia struthiopteris both are nouns.

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

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

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

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

Pteretis 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