coast polypody vs leathery polypody

coast polypody and leathery polypody both are nouns.

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

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

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

Other synonyms of coast polypody include leatherleaf, Polypodium scouleri.

coast polypody (noun)	leathery polypody (noun)
stiff leathery-leaved fern of western North America having ovate fronds parted to the midrib	stiff leathery-leaved fern of western North America having ovate fronds parted to the midrib