Corn salad, Valerianella locusta, is a small dicot annual plant of the family Valerianaceae.
It is also called Lewiston cornsalad, lamb's lettuce, fetticus, field salad, mâche, feldsalat, nut lettuce and rapunzel.
Corn salad grows in a low rosette with spatulate leaves up to 15.2 cm long.
It is a hardy plant that grows to US zone 5, and in mild climates it is grown as a winter green.
In warm conditions it tends to bolt to seed.
Corn salad grows wild in parts of Europe, northern Africa and western Asia.
In Europe and Asia it is a common weed in cultivated land and waste spaces.
In North America it has escaped cultivation and become naturalized on both the eastern and western sea-boards.