Actually I'm not so sure

That should be the new title of this blog.

I went out to take a closer look at the weed that has infested our lawn and I'm not so sure that it is prostrate knotweed. The flowering in particular seems different. Here are some photos:

Mystery weed - chickweed?

In any case I sprayed it with Ortho Weed B Gon Max (I bought it in concentrate because it was on sale).

I'll have to see if I can figure out what it really is. In the mean time I'll see if the weed killer can do the job.