butter daisy vs golden crown beard

butter daisy and golden crown beard both are nouns.

Word	Noun	Adjective	Verb	Adverb
butter daisy	Yes	No	No	No
golden crown beard	Yes	No	No	No

As nouns, butter daisy and golden crown beard are synonyms defined as:

butter daisy and golden crown beard: coarse greyish-green annual yellow-flowered herb; southwestern United States to Mexico

Other synonyms of butter daisy include cowpen daisy, golden crownbeard, Verbesina encelioides, Ximenesia encelioides.

butter daisy (noun)	golden crown beard (noun)
coarse greyish-green annual yellow-flowered herb; southwestern United States to Mexico	coarse greyish-green annual yellow-flowered herb; southwestern United States to Mexico