arctic poppy vs Iceland poppy

arctic poppy and Iceland poppy both are nouns.

Word	Noun	Adjective	Verb	Adverb
arctic poppy	Yes	No	No	No
Iceland poppy	Yes	No	No	No

As nouns, arctic poppy and Iceland poppy are synonyms defined as:

arctic poppy and Iceland poppy: subarctic perennial poppy of both hemispheres having fragrant white or yellow to orange or peach flowers

Other synonyms of arctic poppy include Papaver nudicaule.

arctic poppy (noun)	Iceland poppy (noun)
subarctic perennial poppy of both hemispheres having fragrant white or yellow to orange or peach flowers	Old World alpine poppy with white or yellow to orange flowers
	subarctic perennial poppy of both hemispheres having fragrant white or yellow to orange or peach flowers