Here is the list comprising all the food items in different categories containing rich source of iron.
Vegetables:
Morel Mushrooms
Baked Potatoes
Parsley
Spinach
Beet greens
Sweet potatoes
Peas
Brocooli
String beans
Fruits:
Tamarind
Persimmons
Dried apricots
Dried peaches
Prune
Raisins and Currants
Passion Fruit
Dates
Figs
Sea food:
Shrimp
Dried cod
Mackerel
Sardines
Oysters
Haddock
Clams
Scallops
Tuna
Meat:
Liver
Liverwurst
Lamb
Turkey
Chicken
Heart
Kidney
Brains
Beans and pulses :
Moth beans
Kidney beans
Lentil
Chick peas
Black eye beans
Black beans
Grains:
Amaranth
Wheat
Barley
Rye
Nuts and seed:
Sesame seed
Pumpkin seeds
Sunflower seeds
Cashews
Flax seeds
Pine nuts
Hazel nut
Other Foods:
Eggs (Any Style)
Maple syrup
Black strap Molasses
Jaggery