Acer negundo californicum is a specific species of tree that is native to California. This tree is commonly known as the California boxelder, and it belongs to the maple family. When searching for synonyms for this specific tree species, it's best to focus on the common name rather than the scientific one. Some of the synonyms for the California boxelder include ash-leaved maple, California maple, boxelder maple, and western boxelder. These names are all commonly used to describe this beautiful deciduous tree, which can grow up to 50 feet tall and boasts an impressive span of up to 40 feet wide.