Rorippa dictyosperma (Hook.) L.A.S.Johnson

Perennial herb 30–90 cm tall, decumbent at base, branched and erect above. Leaves petiolate; basal leaves pinnate, to 20 cm long, with large terminal lobe, the lateral segments few, ovate or oblong, entire or dentate; cauline leaves reducing to lanceolate, entire. Sepals 2.5–5 mm long. Petals 5–10 mm long, white. Stamens 6. Style 2–4 mm long. Siliqua linear, 25–60 mm long, 1–2 mm wide, straight or slightly curved, ascending; valves with one inconspicuous vein; pedicels spreading to reflexed, 8–20 mm long. Seeds ovoid to oblong, 1–2 mm long, reticulate, in 1 row per locule, not mucous.

It is a temperate plant. It grows on sand and granite slopes. It does best in damp, wet soils in a protected, partly shaded position. It is resistant to frost but sensitive to drought. Tasmania Herbarium.

Plants can be grown by seed or by division.