Quercus myrtifolia vs myrtle oak

Quercus myrtifolia and myrtle oak both are nouns.

Word	Noun	Adjective	Verb	Adverb
Quercus myrtifolia	Yes	No	No	No
myrtle oak	Yes	No	No	No

As nouns, Quercus myrtifolia and myrtle oak are synonyms defined as:

Quercus myrtifolia and myrtle oak: small evergreen shrub or tree of southeastern United States; often forms almost impenetrable thickets in sandy coastal areas

Other synonyms of Quercus myrtifolia include seaside scrub oak.

Quercus myrtifolia (noun)	myrtle oak (noun)
small evergreen shrub or tree of southeastern United States; often forms almost impenetrable thickets in sandy coastal areas	small evergreen shrub or tree of southeastern United States; often forms almost impenetrable thickets in sandy coastal areas