Cardamine pratensis is a flowering plant species that belongs to the family Brassicaceae. It is commonly known as Cuckooflower, Lady's Smock, Meadow Cress, or Milkmaids. The plant is native to Europe and Asia and is found in damp meadows, ditches, and other wet habitats. It has a slender stem that can grow up to 50 cm (20 inches) tall and produces clusters of pink, purple, or white flowers with four petals.