Free estimate on scrub oak removal and fire mitigation in Colorado Springs. Call (719)400-9104. Scrub oak is one of the most widely spread trees in El Paso County. Here are some quick scrub oak tree facts: • Scrub Oak rarely reproduces from acorns. Instead, it grows from its deep, extensive root system. • Its scientific name is Quercus gambelii. • Gambel Oak trees/scrub oak trees are named after William Gambel, an American naturalist. • Scrub Oak is commonly found throughout western Colorado between 6,000 and 9,000 feet in elevation. • There is not a singular type of scrub wood. Instead, there are many types such as the Rocky Mountain scrub oak and the California scrub oak, both of which are