golden crownbeard vs golden crown beard

golden crownbeard and golden crown beard both are nouns.

Word	Noun	Adjective	Verb	Adverb
golden crownbeard	Yes	No	No	No
golden crown beard	Yes	No	No	No

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

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

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

golden crownbeard (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