felt fern vs Pyrrosia lingua

felt fern and Pyrrosia lingua both are nouns.

Word	Noun	Adjective	Verb	Adverb
felt fern	Yes	No	No	No
Pyrrosia lingua	Yes	No	No	No

As nouns, felt fern and Pyrrosia lingua are synonyms defined as:

felt fern and Pyrrosia lingua: east Asian fern having fronds shaped like tongues; sometimes placed in genus Cyclophorus

Other synonyms of felt fern include Cyclophorus lingua, tongue fern.

felt fern (noun)	Pyrrosia lingua (noun)
east Asian fern having fronds shaped like tongues; sometimes placed in genus Cyclophorus	east Asian fern having fronds shaped like tongues; sometimes placed in genus Cyclophorus