red beech vs Fagus grandifolia

red beech and Fagus grandifolia both are nouns.

Word	Noun	Adjective	Verb	Adverb
red beech	Yes	No	No	No
Fagus grandifolia	Yes	No	No	No

As nouns, red beech and Fagus grandifolia are synonyms defined as:

red beech and Fagus grandifolia: North American forest tree with light green leaves and edible nuts

Other synonyms of red beech include American beech, Fagus americana, white beech.

red beech (noun)	Fagus grandifolia (noun)
North American forest tree with light green leaves and edible nuts	North American forest tree with light green leaves and edible nuts
large tree of Australasia