the picture is at this site:
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is either spurge or oxalis or something else. Please ID and recommend treatment. background info: I live in Florida. I have a St. Augustine lawn. There are a lot of these creeping over on my lawn. It has covered some parts of my lawn.It grows from the soil and extends over the lawn like a blanket.
I've been hand weeding them, but they are very fragile, and tend to break easily, leaving the base in the soil.
Please ID and recommend a treatment.