From the Health Builder by J.I. Rondale.
Food Mgs. of Vit C
Beet greens 50 in1/2 cup
Cabbage raw 50 in a cup
Collards cooked 70 in a 1/2 cup
Dandelion greens, cooked 100 in a cup
Guavvas 125 in a guava
mustard greens cooked 125 in a half cup
Orange 50 in one med
Peppers green 125 in one med
peppers pimento 200 in tw0 med
parskey 70 in a half cup
lemon juice 25 in a tablespoon
asparagus fresh green 20 in 8 stalks
tomatoes fresh 25 in one medium
spinach cooked 30 in a half cup
radishes 25 in 15 large
strawberries fresh 50 in a half cup
raspberries black 66 in a cup
raspberries red 23 in a cup
hope this is enough to get you started.