Iceland poppy vs Papaver alpinum

Iceland poppy and Papaver alpinum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Iceland poppy	Yes	No	No	No
Papaver alpinum	Yes	No	No	No

As nouns, Iceland poppy and Papaver alpinum are synonyms defined as:

Iceland poppy and Papaver alpinum: Old World alpine poppy with white or yellow to orange flowers

Iceland poppy (noun)	Papaver alpinum (noun)
Old World alpine poppy with white or yellow to orange 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