American Holly – Ilex opaca: A small to medium sized tree. Leaves alternate, persistant, simple, 2-4 inches longa and 1-2 inches wide. Leaf margin is wavy with stout, stiff, sharp spines.
Fruit is a spherical red berrylike drupe about .25 inches in diameter, each containing several 1 seeded nutlets.
Bark is Gray and thin with wartlike structures.
Range from Massachusetts to Florida to Texas, Illinois.
Fruit is used extensively by some songbirds and thrashers.