Leafy greens describe the green ingredients in green smoothies - these include:
Lettuces (e. G. endive, lettuce, lamb's lettuce, postelein)
Leaves/Greens of root vegetables (e. G. carrots, kohlrabi, beetroot, radish)
Garden herbs (e. G. dill, mint, parsley, thyme, cress)
Leafy vegetables (e. G. kale, black cabbage, spinach, chard, pak choi)
Wild herbs (e. G. chickweed, groundsel, dead nettle, stinging nettle, dandelion)
Young leaves of (fruit) trees and shrubs (e. G. blackberry, raspberry, currant, blueberry, birch, linden, cherry, apple, pear)