[plants] Haeckel (1866) - plants
   vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
     lycophytes see Subphylum Lycophytina "Banks, 1968"
       Class Lycopodiopsida Bartl. (1830)
         Order Lycopodiales DC. ex Bercht. & J.Presl (1820)
           1 Family Lycopodiaceae P.Beauv. ex Mirb. (1802) - clubmosses