#class_Lycopsida__Lycopsida__Lycopodiate__class_Lycopodiate  club mosses and related forms: includes Lycopodiales; Isoetales; Selaginellales; and extinct Lepidodendrales; sometimes considered a subdivision of Tracheophyta
  supertype:  class__clas  (biology) a taxonomic group containing one or more orders
  member of:  division_Pteridophyta
  member:  class_Lycopodineae__Lycopodineae  alternative designation for the class Lycopsida
  member:  club_moss__clubmoss__lycopod  primitive evergreen mosslike plant with spores in club-shaped strobiles
  member:  order_Lepidodendrales__Lepidodendrales  fossil arborescent plants arising during the Lower Devonian and conspicuous throughout the Carboniferous
     member:  family_Lepidodendraceae__Lepidodendraceae  fossil plants characterized by conspicuous spirally arranged leaf scars on the trunk
  member:  order_Lycopodiales__Lycopodiales  lower vascular plants coextensive with the family Lycopodiaceae; in some classifications includes the Selaginellaceae and Isoetaceae
     member:  family_Lycopodiaceae__Lycopodiaceae__clubmoss_family  a family of ferns belonging to the order Lycopodiales
        member:  genus_Lycopodium__Lycopodium  type and sole genus of the Lycopodiaceae; erect or creeping evergreen plants often used for Christmas decorations
  member:  order_Selaginellales__Selaginellales  in some classifications included in Lycopodiales
     member:  family_Selaginellaceae__Selaginellaceae  lesser clubmosses: terrestrial chiefly tropical plants resembling mosses
        member:  genus_Selaginella__Selaginella  type and sole genus of the Selaginellaceae; evergreen mosslike plants: spike moss and little club moss
           member:  spikemoss__spikemos__spikemos__littleclubmos  any of numerous fern allies of the genus Selaginella
  member:  order_Isoetales__Isoetales  aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales
     member:  family_Isoetaceae__Isoetaceae__quillwort_family__quillwortfamily  quillworts; coextensive with the genus Isoetes
        member:  genus_Isoetes__Isoetes  type and genus of the Isoetaceae and sole extant genus of the order Isoetales
           member:  quillwort  any of several spore-bearing aquatic or marsh plants having short rhizomes and leaves resembling quills; worldwide except Polynesia

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