plants Haeckel (1866) - plants
   Division Charophyta Migula (1889) - charophyte algae and embryophytes see charophytes
     Subdivision [Streptophytina] see [unranked] Streptophytina Lewis & McCourt (2004)
       Class Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883)
         Vascular Plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
           1 Subclass Lycopodiidae Bek. (1863) - clubmosses and quillworts see Class Lycopodiopsida Bartl. (1830)
           2 [Ferns]
           3 [Seed-Plants; Spermatophyta]