- Lycopodiales, order Lycopodiales - lower vascular plants coextensive with the family Lycopodiaceae; in some classifications includes the Selaginellaceae and Isoetaceae
--1 is a kind of plant order
--1 is a member of Lycopsida, class Lycopsida, Lycopodiate, class Lycopodiate
--1 has members: Lycopodiaceae, family Lycopodiaceae, clubmoss family