scale fern vs Asplenium ceterach

scale fern and Asplenium ceterach both are nouns.

Word	Noun	Adjective	Verb	Adverb
scale fern	Yes	No	No	No
Asplenium ceterach	Yes	No	No	No

As nouns, scale fern and Asplenium ceterach are synonyms defined as:

scale fern and Asplenium ceterach: small European fern with chaffy leathery fronds

Other synonyms of scale fern include Ceterach officinarum, scaly fern.

scale fern (noun)	Asplenium ceterach (noun)
small European fern with chaffy leathery fronds	small European fern with chaffy leathery fronds