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

     Lycopodium complanatum L.
     Diphasiastrum complanatum (L.) Holub
     Diphasium anceps (Wallr.) A.& D. Löve
     Diphasium complanatum (L.) Rothm.
     Diphasium complanatum ssp. montellii Kukkonen
     Diphasium wallrothii H.P. Fuchs
     Lycopodium anceps Wallr.
     Lycopodium complanatum ssp. anceps (Wallr.) Aschers.
     Lycopodium complanatum var. canadense Victorin

Common Name(s): christmas green, creeping jenny, groundcedar.

Taxonomic Hierarchy: (ITIS TSN=17025, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Lycopodiophyta
                    Class: Lycopodiopsida
                        Order: Lycopodiales
                            Family: Lycopodiaceae
                                Genus: Lycopodium
                                    Species: Lycopodium complanatum