Rmyklebust Posted November 5, 2022 Report Share Posted November 5, 2022 Found as a large mass on what I believe is an oak tree in North Dakota. I dont think it is Chaga! Quote Link to comment Share on other sites More sharing options...
Dave W Posted November 6, 2022 Report Share Posted November 6, 2022 Not Chaga. This is a very old fruit body of a Phellinus species. Could that tree be black locust? If so, then the polypore is likely Phellinus robiniae.  https://www.mushroomexpert.com/phellinus_robiniae.html Quote Link to comment Share on other sites More sharing options...
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