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

     Laportea canadensis (L.) Weddell
     Urtica canadensis L.
     Urticastrum divaricatum (L.) Kuntze

Common Name(s): Canada lettuce, Canada woodnettle, Canadian woodnettle, Canadian wood-nettle.

Taxonomic Hierarchy: (ITIS TSN=19127, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Hamamelidae
                            Order: Urticales
                                Family: Urticaceae
                                    Genus: Laportea
                                        Species: Laportea canadensis