Cotula vs asterid dicot genus

Cotula and asterid dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cotula	Yes	No	No	No
asterid dicot genus	Yes	No	No	No

As nouns, asterid dicot genus is a hypernym of Cotula; that is, asterid dicot genus is a word with a broader meaning than Cotula:

Cotula: cosmopolitan herbs especially Southern Hemisphere; many used as ground covers
asterid dicot genus: genus of more or less advanced dicotyledonous herbs and some trees and shrubs

Cotula (noun)	asterid dicot genus (noun)
cosmopolitan herbs especially Southern Hemisphere; many used as ground covers	genus of more or less advanced dicotyledonous herbs and some trees and shrubs