LYCOPODIACEAE, Clubmoss Family

Perennial, evergreen; main stem trailing on ground or subterranean, dichotomously branched, one branch usually erect; leaves small, scalelike, sometimes with decurrent base adnate to stem, or linear, 4-many-ranked; sporophylls in cones or in zones alternating with zones of foliage leaves; sporangia globose or reniform, solitary on base of sporophyll or in its axil.