The photo of the closeup of a single white flower is that of the May Apple. I took a pic of a plant in a recent post and now they are blooming. This was taken on Old Shorty Trail at Bona Dea today. The photo of a green plant close to the ground is that of Wild Onions. They were in the picnic area of the park. The other photos of a white flowering tree are of White Dogwoods at the picnic area of the park.