leathery polypody vs leatherleaf

leathery polypody and leatherleaf both are nouns.

Word	Noun	Adjective	Verb	Adverb
leathery polypody	Yes	No	No	No
leatherleaf	Yes	No	No	No

As nouns, leathery polypody and leatherleaf are synonyms defined as:

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

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

leathery polypody (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