golden crownbeard vs crownbeard

golden crownbeard and crownbeard both are nouns.

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

As nouns, crownbeard is a hypernym of golden crownbeard; that is, crownbeard is a word with a broader meaning than golden crownbeard:

golden crownbeard: coarse greyish-green annual yellow-flowered herb; southwestern United States to Mexico
crownbeard: any plant of the genus Verbesina having clustered white or yellow flower heads

Other hypernyms of golden crownbeard include crown-beard, crown beard.

golden crownbeard (noun)	crownbeard (noun)
coarse greyish-green annual yellow-flowered herb; southwestern United States to Mexico	any plant of the genus Verbesina having clustered white or yellow flower heads