mache means: Wild lettuce, small-sized leaves. It can be eaten raw or cooked as spinach. Its taste is less prominent than that of spinach. Mache can also be grown wild and harvested in the autumn. From September through April, it is grown in France, Italy and the USA. You may also call it lamb’s lettuce or field salad. (in Cooking Dictionary)
What else does mache mean?
This is a small, tender and dark-green plant that has nutty taste. It can be used as a salad or in cooking. Although it can often be found wild in cornfields and is quite hard to find in shops, this plant is very expensive. (in Cooking Dictionary)
One of many plants in the genus Valerianella, Particularly if you are an Eurasian year (V. locusta) Small, pale to light bluish flowers. Also edible young leaves that can be used as a vegetable or in a dish. (in Merlin Dictionary)