Australian Mudwort; Austral Mudwort
Perennial forb, prostrate or to 4cm tall, semi-aquatic. Leaves basal, 0.5-10cm long, 1-3mm wide, flat, hairless, with pointed tips. Flowers usually small (less than 3mm across), white or pink, often purple externally, tubular, with 4-5 lobes, solitary on stalks arising from 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 597