Lightly spoon flours into dry measuring cups; level with a knife. Combine flours and next 4 ingredients in a large bowl; stir with a whisk. Combine buttermilk, egg, and oil; add to flour mixture, stirring until smooth. Stir in cherries.
. Heat a nonstick griddle or nonstick skillet coated with cooking spray over medium-high heat. Spoon about 1/4 cup batter for each pancake onto pan. Turn pancakes when tops are covered with bubbles and edges look cooked. Sprinkle with powdered sugar.