Lycopodiella serpentina

Stems mostly prostrate, creeping, much-branched, brittle, firmly attached to substrate by numerous roots; erect sterile branches few, short and rigid; erect fertile branches erect, up to 6 cm tall. Leaves spirally arranged, crowded and overlapping, ascending or spreading, those nearest substrate usually appressed, linear-lanceolate, 3–4 mm long, less than 1 mm wide; apex sharp. Strobili terminal, solitary, 10–25 mm long, on leafy stalk. Sporophylls overlapping, somewhat spreading when ripe, broadly triangular; margins minutely toothed; apex rigid, sharp.