leather fern vs Rumohra adiantiformis

leather fern and Rumohra adiantiformis both are nouns.

Word	Noun	Adjective	Verb	Adverb
leather fern	Yes	No	No	No
Rumohra adiantiformis	Yes	No	No	No

As nouns, leather fern and Rumohra adiantiformis are synonyms defined as:

leather fern and Rumohra adiantiformis: widely distributed fern of tropical Southern Hemisphere having leathery pinnatifid fronds

Other synonyms of leather fern include leatherleaf fern, Polystichum adiantiformis, ten-day fern.

leather fern (noun)	Rumohra adiantiformis (noun)
widely distributed fern of tropical Southern Hemisphere having leathery pinnatifid fronds	widely distributed fern of tropical Southern Hemisphere having leathery pinnatifid fronds
stout tropical swamp fern (especially tropical America) having large fronds with golden yellow sporangia covering the undersides