Cannellini beans are large white Italian kidney beans. They are used extensively in Italian salads and soups.
Fennel, also called Florence fennel has a large bulbous base, long, pale-green stems and feathery bright-green leaves. Fennel bulb is eaten like a vegetable. The bulb is sliced and added raw to salads or cooked in soups and gratins.
Italian-blend salad greens are a mixture of radicchio, romaine and leaf lettuces. Look for packaged greens near the lettuce in the produce department.