re: What is this stuff on my live oak and how do I get rid of it?

quote:

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I don't see any poison ivy but it certainly could be there. Upper left side looks like Virginia creeper, not sure what the stuff lower on the trunk is. Either way, I'd cut the vines around the base, wait for it to die and then pull it off.

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^^^This^^^

It's Virginia Creeper and possibly something else mixed in. Have an ancient pecan tree at my job and it was covered in the stuff up to 20 feet up the main trunk and forks. Cut the base of vines years ago and ripped the vines off after they died. After a couple years of cutting new growth off the vine stubs, they died and quit growing altogether.