Oregon ash vs Fraxinus latifolia

Oregon ash and Fraxinus latifolia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Oregon ash	Yes	No	No	No
Fraxinus latifolia	Yes	No	No	No

As nouns, Oregon ash and Fraxinus latifolia are synonyms defined as:

Oregon ash and Fraxinus latifolia: timber tree of western North America yielding hard light wood; closely related to the red ash

Other synonyms of Oregon ash include Fraxinus oregona.

Oregon ash (noun)	Fraxinus latifolia (noun)
timber tree of western North America yielding hard light wood; closely related to the red ash	timber tree of western North America yielding hard light wood; closely related to the red ash