false chamomile vs wild flower

false chamomile and wild flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
false chamomile	Yes	No	No	No
wild flower	Yes	No	No	No

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

false chamomile: any of various autumn-flowering perennials having white or pink to purple flowers that resemble asters; wild in moist soils from New Jersey to Florida and Texas
wild flower: wild or uncultivated flowering plant

Other hypernyms of false chamomile include wildflower.

false chamomile (noun)	wild flower (noun)
any of various autumn-flowering perennials having white or pink to purple flowers that resemble asters; wild in moist soils from New Jersey to Florida and Texas	wild or uncultivated flowering plant