Quercus lobata vs valley white oak

Quercus lobata and valley white oak both are nouns.

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

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

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

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

Quercus lobata (noun)	valley white oak (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