Quercus chrysolepis vs live oak

Quercus chrysolepis and live oak both are nouns.

Word	Noun	Adjective	Verb	Adverb
Quercus chrysolepis	Yes	No	No	No
live oak	Yes	No	No	No

As nouns, live oak is a hypernym of Quercus chrysolepis; that is, live oak is a word with a broader meaning than Quercus chrysolepis:

Quercus chrysolepis: medium-sized evergreen of southwestern United States and northwestern Mexico with oblong leathery often spiny-edged leaves
live oak: any of several American evergreen oaks

Quercus chrysolepis (noun)	live oak (noun)
medium-sized evergreen of southwestern United States and northwestern Mexico with oblong leathery often spiny-edged leaves	any of several American evergreen oaks