It is reported from Ontario, Missouri, Ohio, Pennsylvania, and Massachusetts.

[1] It is a member of the dogwood genus Cornus and the family Cornaceae.

[1][2] Intermediate shrubs were first noted in the Arnold Arboretum by Alfred Rehder, who described and named the hybrid.

The Arnold dogwood is usually included in the dogwood genus Cornus as Cornus × arnoldiana Rehd., although it is sometimes segregated in a separate genus as Swida × arnoldiana (Rehd.)

This article about plants of the order Cornales is a stub.