cowpen daisy vs Verbesina encelioides

cowpen daisy and Verbesina encelioides both are nouns.

Word	Noun	Adjective	Verb	Adverb
cowpen daisy	Yes	No	No	No
Verbesina encelioides	Yes	No	No	No

As nouns, cowpen daisy and Verbesina encelioides are synonyms defined as:

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

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

cowpen daisy (noun)	Verbesina encelioides (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