This wildflower can be found throughout central and eastern North America. When you can identify it, please post its common and scientific names in a comment. Also, share any personal story you may have about this plant.
ANSWER (subsequently added to this post to facilitate the “search” function for these images): Tall bellflower (Campanulastrum americanum)
I think it’s tall bellflower Campanulastrum americanum
I think it is the bluebell flower. Campanula Rotundifolia
Joyce, you are correct. This is Tall bellflower (Campanulastrum americanum). The flower’s style which extends well beyond the petals is one of its distinguishing characteristics. Josey, your guess was a good “runner-up” possibility.