Synonyms recognized by ITIS (bold taxon is currently accepted):

     Ailanthus altissima (P. Mill.) Swingle
     Ailanthus glandulosa Desf.

Common Name(s): ailanthus, copal tree, tree of heaven, tree-of-heaven.

Taxonomic Hierarchy: (ITIS TSN=28827, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Rosidae
                            Order: Sapindales
                                Family: Simaroubaceae
                                    Genus: Ailanthus
                                        Species: Ailanthus altissima