Cress is the most common microgreen but more and more plants are becoming available.
Look for seeds including salad leaves, rocket and mustard and vegetables like chard, radish, beetroot, broccoli and pea shoots. You can also grow herbs such as basil and coriander.
Make sure to buy seeds labelled for sprouting or shooting, not planting. They may also be labelled as microgreens or windowsill crops.