cowpen daisy vs golden crownbeard

cowpen daisy and golden crownbeard both are nouns.

Word	Noun	Adjective	Verb	Adverb
cowpen daisy	Yes	No	No	No
golden crownbeard	Yes	No	No	No

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

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

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

cowpen daisy (noun)	golden crownbeard (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