Preheat oven to 375 degrees F. Lightly spoon flours into dry measuring cups; level with a knife. Combine flours and next 4 ingredients (through salt) in a large bowl; make a well in center of mixture. Combine milk, lemon rind, vanilla, and egg; add to flour mixture along with butter. Stir just until moist and add in blueberries. Spoon batter into 12 muffin cups coated with cooking spray or lined with muffin cups and sprinkle each evenly with 1/4 teaspoon turbinado sugar. Bake in preheated oven for about 15 minutes or until lightly browned and a toothpick inserted in center comes out clean. Remove muffins from pans; cool on wire rack.
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