Mahonia nervosa is a beautiful plant that is commonly known as the dwarf Oregon grape or the longleaf mahonia. This evergreen shrub is native to the Pacific Northwest region of North America and is characterized by its unique, fern-like leaves and bright yellow flowers. Although the plant is widely known as "Mahonia nervosa," it is also referred to by several other names, including Cascade Oregon grape, mountain grape, and low Oregon grape. These synonyms are popularly used in different regions of the world and offer a great way for botanists and gardeners to communicate more effectively. Regardless of what name you use, Mahonia nervosa is a wonderful addition to gardens and landscapes.