Asplenium scolopendrium vs fern

Asplenium scolopendrium and fern both are nouns.

Word	Noun	Adjective	Verb	Adverb
Asplenium scolopendrium	Yes	No	No	No
fern	Yes	No	No	No

As nouns, fern is a hypernym of Asplenium scolopendrium; that is, fern is a word with a broader meaning than Asplenium scolopendrium:

Asplenium scolopendrium: Eurasian fern with simple lanceolate fronds
fern: any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores

Asplenium scolopendrium (noun)	fern (noun)
Eurasian fern with simple lanceolate fronds	any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores