Well, I think that's its name, but I'm certainly no expert. However, it has blue-violet flowers with 4 pedals and rounded, heart shaped seedpods. A picture is included, so if someone knows better what it might be, please speak up. But what's more important, how does one get rid of it. 2,4-D doesn't seem to affect it much. It doesn't cover the whole lawn yet and doesn't even look too bad, but it seems to be spreading fast.