Vallisneria caulescens F.M.Bailey & F.Muell.

Submerged, stoloniferous annual. Leaves usually cauline, rarely basal, alternate to subopposite, usually to 30 cm long and 4.5–15 mm wide, obtuse, with 3 major longitudinal nerves with numerous finer nerves in between; margins finely toothed at least in upper half. Male spathe ovate, 6–9 mm long, 3–4 mm diam. Male flowers

In seasonal waterholes orbillabongs.