Common sources of specific amino acids are:
Histidine: Apple, pomogranates, alfalfa, beets, carrots, celery, cucumber, dandelion, endive, garlic, radish, spinach, turnip greens.
Arginine: Alfalfa, beets, carrots, celery, cucumbers, green vegetables, leeks, lettuce, potatoes, radishes, parsnips, nutritional yeast.
Valine: Apples, almonds, pomegranates, beets, carrots, celery, dandelion greens, lettuce, okra, parsley, parsnips, squash, tomatoes, turnips, nutritional yeast.
Tryptophan: Alfalfa, brussel sprouts, carrots, celery, chives, dandelion greens, endive, fennel, snap beans, spinach, turnips, nutritional yeast.
Threnoine: Papayas, alfalfa sprouts, carrots, green leafy vegetables such as celery, collards, kale, and lettuce (especially iceberg), lima beans, laver (Nori -- a sea vegetable).
Phenylalanine: Apples, pineapples, beets, carrots, parsley, spinach, tomatoes, nutritional yeast.
Methionine: Apples, pineapples, Brazil nuts, filberts, brussels sprouts, cabbage, cauliflower, chives, dock (sorrel), garlic, horseradish, kale, watercress.
Lysine: Apples, apricots, grapes, papayas, pears, alfalfa, beets, carrots, celery, cucumber, dandelion greens, parsley, spinach, turnip greens.
Leucine: Avocados, papayas, olives, coconut, sunflower seeds.
Isoleucine: Avocados, papayas, olives, coconut, sunflower seeds.
And some in general examples of plant foods containing high sources of protein:
PROTEIN IN LEGUMES: Garbanzo beans, Kidney beans, Lentils, Lima beans, Navy beans, Soybeans, Split peas
PROTEIN IN GRAINS: Barley, Brown rice, Buckwheat, Millet, Oatmeal, Rye, Wheat germ, Wheat, hard red, Wild rice
VEGETABLE PROTEIN: Artichokes, Beets, Broccoli, Brussels sprouts, Cabbage, Cauliflower, Cucumbers, Eggplant, Green peas, Green pepper, Kale, Lettuce, Mushrooms, Mustard green, Onions, Potatoes, Spinach, Tomatoes, Turnip greens, Watercress, Yams, Zucchini
PROTEIN IN FRUITS: Apple, Banana, Cantaloupe, Grape, Grapefruit, Honeydew melon, Orange, Papaya, Peach, Pear, Pineapple, Strawberry, Tangerine, Watermelon
PROTEIN IN NUTS AND SEEDS: Almonds, Cashews, Filberts, Hemp Seeds, Peanuts, Pumpkin seeds, Sesame seeds, Sunflower seeds, Walnuts (black)