plant order - the order of plants

class Lycopodiate, class Lycopsida, Lycopodiate, Lycopsida - club mosses and related forms: includes Lycopodiales; Isoetales; Selaginellales; and extinct Lepidodendrales; sometimes considered a subdivision of Tracheophyta

clubmoss family, family Lycopodiaceae, Lycopodiaceae - a family of ferns belonging to the order Lycopodiales