cowpen daisy vs golden crown beard

cowpen daisy and golden crown beard both are nouns.

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

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

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

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

cowpen 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