Quercus ilicifolia is a species of oak tree that is commonly referred to as bear oak or scrub oak. This tree is native to the northeastern United States and has a unique appearance, with its dense growth and spiny leaves. However, there are other synonyms for this tree species, including the common scrub oak, cherrybark oak, and sapphire oak. These names are often used interchangeably depending on the region and can help identify the tree based on its unique characteristics. Whether you call it bear oak, scrub oak, or another synonym, Quercus ilicifolia remains an important part of the natural landscape in many areas of the United States.