Phylum [Tracheophyta] Sinnott ex Caval.-Sm. (1998) - vascular plants Subphylum Lycopodiophytina Reveal (1996) [monotypic] Class Lycopodiopsida Bartl. (1830) A Order Lycopodiales DC. ex Bercht. & J.Presl (1820) [monotypic] B Order Isoëtales Prantl (1874) [monotypic] C Order Selaginellales Prantl (1874) [monotypic]