Acer
Acer circinatum, Acer glabrum, Acer macrophyllum, Acer negundo, Acer nigrum, Acer pensylvanicum, Acer rubrum, Acer saccharinum, Acer saccharum, Acer spicatum
Families of Flowering Plants: Aceraceae
Habit and leaf form, anatomy, morphology, physiology, and biochemistry.