Selaginellaceae
Stem elongate, creeping, dichotomously or pinnately branches, bearing leave and rhizophores. Leaves monomorphic, microphyllous, spirally arrange or dimorphic arrange in four rows, ventral two patent or ascending, the dosal two smaller, adpessed to stem. Sporophyll uniform or dimorphic and form cylindrical spike, arrange in four rows, dorsal and ventral rows unequal.
Stem elongate, creeping, dichotomously or pinnately branches, bearing leave and rhizophores. Leaves monomorphic, microphyllous, spirally arrange or dimorphic arrange in four rows, ventral two patent or ascending, the dosal two smaller, adpessed to stem. Sporophyll uniform or dimorphic and form cylindrical spike, arrange in four rows, dorsal and ventral rows unequal.