California white oak vs Quercus lobata

California white oak and Quercus lobata both are nouns.

Word	Noun	Adjective	Verb	Adverb
California white oak	Yes	No	No	No
Quercus lobata	Yes	No	No	No

As nouns, California white oak and Quercus lobata are synonyms defined as:

California white oak and Quercus lobata: tall graceful deciduous California oak having leathery leaves and slender pointed acorns

Other synonyms of California white oak include roble, valley oak, valley white oak.

California white oak (noun)	Quercus lobata (noun)
tall graceful deciduous California oak having leathery leaves and slender pointed acorns	tall graceful deciduous California oak having leathery leaves and slender pointed acorns