Silurian to recent | image = Lycopodium_plant.jpg | image_caption = Lycopodiella cernua | image_width = 200px | regnum = Plantae | divisio = Lycopodiophyta | divisio_authority = Cronquist, Takht. & W.Zimm. [P.D.Cantino & M.J. Donoghue] | subdivision_ranks = Classes | subdivision = Lycopodiopsida - clubmosses Selaginellopsida - spikemosses Isoetopsida - quillworts and scale trees † Zosterophyllopsida - zosterophylls }} The Division Lycopodiophyta (sometimes called Lycophyta)'s a tracheop… (More on Lycophyte)