My mare was extremely dry and flakey for a while and her legs became scabby. After doing some research, it sounds a lot like ringworm (it isn't rainrot for sure).
I buzzed her down in case of it being ringworm so that there's nothing for the fungus to feed off of and I began treating her today for it with topical solutions. I know the bright coppery patches are where she had some general scuffs and fur grew back in...but does the patchy round spots seem just like ringworm? It's all over her body. This photo doesn't reflect it as much as I'd like, but there's white flakes everywhere. Her fur was so dense with it that it seemed like more than just dry skin.
There's not a lot of current photos online of horses with ringworm or what it looks like with the area around it shaved so I just wanted a confirmation :)