This is a common (and native) plant throughout most of the North American continent. As you scroll down through the images, see just which image is the one which gives you the “ah-ha” moment as to which plant this is. When you know the name of the plant, please give both its common and scientific names. (You get a bonus point for the most accurate species name.) Also, please share any personal stories you have about this plant.
ANSWER (subsequently added to this post to facilitate the “search” function for these images): Common violet (Viola sororia)