Noun: Lycopsida
- Club mosses and related forms: includes Lycopodiales, Isoetales, Selaginellales, and extinct Lepidodendrales; sometimes considered a subdivision of Tracheophyta
- class Lycopsida, Lycopodiate, class Lycopodiate
Type of: class
Part of: division Pteridophyta, Pteridophyta
Encyclopedia: Lycopsida