Chilocardamum is a small genus of four herbaceous cress-like species of plants in the family Brassicaceae, only found growing in Patagonia, southern Argentina.

patagonicum, was initially classified as a Sisymbrium by Carlo Luigi Spegazzini in 1897.

[5] Dimitria was a monotypic genus created by the Chilean botanist Pierfelice Ravenna to house Ch.

onuridifolium in 1972;[6] now considered a synonym of the genus Chilocardamum,[2] it was already synonymised with Sisymbrium by the Argentine botanist M. C. Romanczuk in 1981.

[2][3] As of 2017, the four species accepted in the Plants of the World Online database, and in the Flora del Conosur, are:[2][3]