Nuttall oak vs Quercus nuttalli

Nuttall oak and Quercus nuttalli both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nuttall oak	Yes	No	No	No
Quercus nuttalli	Yes	No	No	No

As nouns, Nuttall oak and Quercus nuttalli are synonyms defined as:

Nuttall oak and Quercus nuttalli: similar to the pin oak; grows in damp sites in Mississippi River basin

Other synonyms of Nuttall oak include Nuttall's oak.

Nuttall oak (noun)	Quercus nuttalli (noun)
similar to the pin oak; grows in damp sites in Mississippi River basin	similar to the pin oak; grows in damp sites in Mississippi River basin