Semi-aquatic, possibly perennial forb to about 16cm tall in water, prostrate when in mud. Leaves basal, blades 0.5-2.6cm long, 1.5-10.5mm wide, flat, hairless, with blunt tips. Flowers often small (less than 3mm across), white, tubular, with 5 lobes, solitary at the base of the plant. Family Scrophulariaceae in NSW and SA.
Description and photo in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales page 598
PlantNET description with line drawings and photo of dried plants: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Limosella~curdieana