Cardamine lineariloba I. Thompson, Muelleria 9: 163. 1996. TYPE: Australia, Victoria, Mt. Arapiles, SE slope along watercourse, ca. 1.6 km down from top, 22 Sep 1968, A. C. Beauglehole 28699 (holotype, MEL).

            Herbs, annual, glabrous throughout. Stems to 25 cm, erect to ascending, usually much branched from base and above. Basal leaves not fleshy, not rosulate, petiolate, to 6 cm, simple, narrowly oblanceolate, entire, base attenuate, sometimes pinnatisect and with 1-several, linear  lateral lobes much smaller than the sublinear terminal lobe to 2 cm; cauline leaves several, similar to basal, petiolate, not auriculate at base, gradually reduced in size upwards. Racemes ebracteate, often few flowered; fruiting pedicels divaricate-ascending, 5-10 mm. Sepals ovate, 1.5-2 mm; petals white, cuneate, 3-5 mm; stamens 6. Fruits linear, erect, 0.9-2 cm × ca. 1 mm; style to 1 mm. Seeds elliptic, to 1.2 mm.

Flowering: Aug-Sep.

Habitat: lowland areas along stream banks, seasonally wet lowlands, swamps.

Elevation:

Distribution: Australia (South Australia, Victoria).