Fraxinus pennsylvanica subintegerrima vs green ash

Fraxinus pennsylvanica subintegerrima and green ash both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fraxinus pennsylvanica subintegerrima	Yes	No	No	No
green ash	Yes	No	No	No

As nouns, Fraxinus pennsylvanica subintegerrima and green ash are synonyms defined as:

Fraxinus pennsylvanica subintegerrima and green ash: a variety of red ash having glossy branchlets and lower leaf surfaces

Fraxinus pennsylvanica subintegerrima (noun)	green ash (noun)
a variety of red ash having glossy branchlets and lower leaf surfaces	a variety of red ash having glossy branchlets and lower leaf surfaces