URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Tree fern, cooked, without salt, 1 cup, chopped Protein (g) 0.21 Total lipid (fat) (g) 0.05 Carbohydrate, by difference (g) 7.8 Energy (kcal) 28.4 Fiber, total dietary (g) 2.63 Calcium, Ca (mg) 5.68 Iron, Fe (mg) 0.11 Magnesium, Mg (mg) 3.55 Phosphorus, P (mg) 2.84 Potassium, K (mg) 3.55 Sodium, Na (mg) 3.55 Zinc, Zn (mg) 0.22 Copper, Cu (mg) 0.14 Manganese, Mn (mg) 0.38 Selenium, Se (mcg) 0.64 Vitamin A, IU (IU) 142 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 21.3 Thiamin (mg) 0 Riboflavin (mg) 0.21 Niacin (mg) 2.48 Pantothenic acid (mg) 0.04 Vitamin B-6 (mg) 0.13 Folate, total (mcg) 10.65 Vitamin B-12 (mcg) 0 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 10.65 Cholesterol (mg) 0 Fatty acids, total saturated (g) 0.01 Fatty acids, total monounsaturated (g) 0 Fatty acids, total polyunsaturated (g) 0.02