red osier vs Cornus stolonifera

red osier and Cornus stolonifera both are nouns.

Word	Noun	Adjective	Verb	Adverb
red osier	Yes	No	No	No
Cornus stolonifera	Yes	No	No	No

As nouns, red osier and Cornus stolonifera are synonyms defined as:

red osier and Cornus stolonifera: common North American shrub with reddish purple twigs and white flowers

Other synonyms of red osier include American dogwood, red dogwood, red osier dogwood, redbrush.

red osier (noun)	Cornus stolonifera (noun)
Eurasian osier having reddish or purple twigs and bark rich in tannin	common North American shrub with reddish purple twigs and white flowers
common North American shrub with reddish purple twigs and white flowers