valley white oak vs Quercus lobata

valley white oak and Quercus lobata both are nouns.

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

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

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

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

valley 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