KentPfeiffer said:https://garden.org/plants/view/86871/Star-of-Bethlehem-Ornithogalum-umbellatum/
Yes, it does fit the description of Star-of-Bethlehem. The comments warn of invasiveness. However, on my drought-prone hilltop they are not invasive. I am glad to see them during wet springs like the one we are having now, when their water needs can be met.
Thanks very much for the ID.