golden fern vs Pityrogramma calomelanos aureoflava

golden fern and Pityrogramma calomelanos aureoflava both are nouns.

Word	Noun	Adjective	Verb	Adverb
golden fern	Yes	No	No	No
Pityrogramma calomelanos aureoflava	Yes	No	No	No

As nouns, golden fern and Pityrogramma calomelanos aureoflava are synonyms defined as:

golden fern and Pityrogramma calomelanos aureoflava: tropical American fern having fronds with light golden undersides

golden fern (noun)	Pityrogramma calomelanos aureoflava (noun)
stout tropical swamp fern (especially tropical America) having large fronds with golden yellow sporangia covering the undersides	tropical American fern having fronds with light golden undersides
tropical American fern having fronds with light golden undersides