Acer Macrophyllum is a species of maple tree that is commonly found on the west coast of North America. It is also known as the bigleaf maple, due to its large leaves. There are several synonyms for this species, including Acer Oregonum, Acer Californicum, and Acer Circinatum. These synonyms are used to refer to the same species of maple tree, but they may be more commonly used in certain regions or by different groups of people. Regardless of the name used, the Acer Macrophyllum is a beautiful and important tree species that is valued for its wood, syrup, and ecological significance.