Mount Cook lily vs mountain lily

Mount Cook lily and mountain lily both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mount Cook lily	Yes	No	No	No
mountain lily	Yes	No	No	No

As nouns, Mount Cook lily and mountain lily are synonyms defined as:

Mount Cook lily and mountain lily: showy white-flowered perennial of New Zealand

Other synonyms of Mount Cook lily include Ranunculus lyalii.

Mount Cook lily (noun)	mountain lily (noun)
showy white-flowered perennial of New Zealand	Japanese lily with golden rays
	showy white-flowered perennial of New Zealand