scrub oak References Contents scrub oak tree species, Quercus ilicifolia Ask the Chatbot a Question Ask the Chatbot a Question Also known as: Quercus ilicifolia, bear oak Learn about this topic in these articles:description In scrub oakscrub oak refers to Q. ilicifolia, also known as bear oak, native to the eastern United States. It is an intricately branched ornamental shrub, about 6 meters (20 feet) tall, with hollylike leaves and many small striped acorns.Read More