class Lycopsida

from WordNet (r) 3.0 (2006)

class Lycopsida
    n 1: club mosses and related forms: includes Lycopodiales;
         Isoetales; Selaginellales; and extinct Lepidodendrales;
         sometimes considered a subdivision of Tracheophyta [syn:
         {Lycopsida}, {class Lycopsida}, {Lycopodiate}, {class
         Lycopodiate}]