Polypodium scouleri vs leatherleaf

Polypodium scouleri and leatherleaf both are nouns.

Word	Noun	Adjective	Verb	Adverb
Polypodium scouleri	Yes	No	No	No
leatherleaf	Yes	No	No	No

As nouns, Polypodium scouleri and leatherleaf are synonyms defined as:

Polypodium scouleri and leatherleaf: stiff leathery-leaved fern of western North America having ovate fronds parted to the midrib

Other synonyms of Polypodium scouleri include coast polypody, leathery polypody.

Polypodium scouleri (noun)	leatherleaf (noun)
stiff leathery-leaved fern of western North America having ovate fronds parted to the midrib	north temperate bog shrub with evergreen leathery leaves and small white cylindrical flowers
	stiff leathery-leaved fern of western North America having ovate fronds parted to the midrib