That's been my assumption as well. I just don't know what kind of fungus. It is kind of strange that I am seeing it on so many lawns around the same time.
I don't plan to treat it. I'm just kind of pushing it out of my mind and hoping that the winter takes care of it.
Social port - I don't see anything concerning in your images.
Micahp - your images look a bit concerning. Is this in one area / patch or all over? I would look into brown patch. Try using this website to help to id the problem. http://turfdiseaseid.ncsu.edu/Default.aspx
Is the enviroment is right a fungus could in December too.
It's in a few areas. The picture I posted is along a sidewalk. The affected grass spans the entire length of the side walk. There are also a few areas in the main yard that are affectd.
My guess is that it is a fungus. Our temperatures have really fallen. We were in the mid/upper 60's on Tuesday(and were that warm for a few weeks). We don't get out of the 40's except fro one day in the next 7 -10 days. So, hopefully this will not expand any further.
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