Cardamine moirensis I. Thompson, Muelleria 9: 167. 1996. TYPE: Australia, Victoria, Ulupna Isalnd, 10 km NW of Stranthmerton in the Murray Valley, eastern end of reserve, 35º51′E, 145º26′S, 20 Sep 1978, T. B. Muir 5965 (holotype, MEL; isotypes, AS, CANB, HO, NSW).

Herbs, annual, glabrous throughout. Stems to 30 cm, slender, erect to ascending, branching from base and above. Basal leaves rosulate, not fleshy, long petiolate, to 8 cm, 3-9-foliolate; terminal leaflet ovate, 3-lobed, truncate to cuneate at base; lateral leaflets elliptic to narrowly ovate, entire or with 1 or 2 lateral teeth; cauline leaves usually 3 or more, petiolate, not auriculate at base, similar to basal but smaller, leaflets narrowly obovate to filiform and entire in uppermost leaves. Racemes ebracteate, mostly 2-8-flowered; fruiting pedicels divaricate-ascending, 5-15 mm. Sepals ovate, 1.5-2 mm; petals white, cuneate, 2-3.5 mm; stamens 6. Fruits linear, 1.5-3 cm × ca. 1 mm, suberect; style to 1 mm. Seeds elliptic, 1-1.2 mm.

Flowering: Sep-Oct.

Habitat: low-lying areas near streams and swamps.

Elevation:

Distribution: Australia (New South Wales, Victoria).