bamira said:Why do you think that it is Diodia?
I really should have stated that it was a guess on my part because I don't know if it's Diodia, it just reminded me of something that grows in my yard at times that was identified as Virginia Buttonweed (D. virginiana). My eyes aren't what they used to be and I'm not good at comparing photos so maybe I shouldn't be trying to identify plants.