(n) club mosses and related forms: includes Lycopodiales; Isoetales; Selaginellales; and extinct Lepidodendrales; sometimes considered a subdivision of Tracheophyta, Syn. class Lycopodiate, class Lycopsida, Lycopodiate
n. The class including club mosses and related forms: includes Lycopodiales; Isoetales; Selaginellales; and extinct Lepidodendrales; sometimes considered a subdivision of Tracheophyta. Syn. -- class Lycopsida, Lycopodiate, class Lycopodiate. [ WordNet 1.5 ]