This is a field guide for an education project at the Harvard Forest.
Cornus florida (Flowering Dogwood, syn. Benthamidia florida (L.) Spach) is a species of dogwood native to eastern North America, from southern Maine west to southern Ontario and eastern Kansas, and south to northern Florida and eastern Texas and also in Illinois, with a disjunct population in eastern Mexico in Nuevo León and Veracruz.
Cornus racemosa (Northern Swamp Dogwood or Gray Dogwood) is a shrubby plant native to southeastern Canada and the northeastern United States. It is a member of the dogwood genus Cornus and the family Cornaceae.