common white dogwood vs Cornus florida

common white dogwood and Cornus florida both are nouns.

Word	Noun	Adjective	Verb	Adverb
common white dogwood	Yes	No	No	No
Cornus florida	Yes	No	No	No

As nouns, common white dogwood and Cornus florida are synonyms defined as:

common white dogwood and Cornus florida: deciduous tree; celebrated for its large white or pink bracts and stunning autumn color that is followed by red berries

Other synonyms of common white dogwood include eastern flowering dogwood.

common white dogwood (noun)	Cornus florida (noun)
deciduous tree; celebrated for its large white or pink bracts and stunning autumn color that is followed by red berries	deciduous tree; celebrated for its large white or pink bracts and stunning autumn color that is followed by red berries