woolly sunflower vs wild flower

woolly sunflower and wild flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
woolly sunflower	Yes	No	No	No
wild flower	Yes	No	No	No

As nouns, wild flower is a hypernym of woolly sunflower; that is, wild flower is a word with a broader meaning than woolly sunflower:

Other hypernyms of woolly sunflower include wildflower.

woolly sunflower (noun)	wild flower (noun)
any plant of the genus Eriophyllum	wild or uncultivated flowering plant