Illustration of rough-leaved dogwood leaves, flowers, fruits.

    Rough-Leaved Dogwood

    Cornus drummondii
    Illustration of alternate-leaved dogwood leaves, flowers, fruits.

    Alternate-Leaved Dogwood

    Cornus alternifolia
    image of a Spittlebug and nest on plant stem

    Spittlebugs and Froghoppers

    About 60 species in North America north of Mexico