consumption weed vs genus Baccharis

consumption weed and genus Baccharis both are nouns.

Word	Noun	Adjective	Verb	Adverb
consumption weed	Yes	No	No	No
genus Baccharis	Yes	No	No	No

consumption weed (noun)	genus Baccharis (noun)
a shrub of salt marshes of eastern and south central North America and West Indies; fruit is surrounded with white plumelike hairy tufts	shrubs of western hemisphere often having honey-scented flowers followed by silky thistlelike heads of tiny fruits; often used for erosion control