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 can anyone tell me what this is?

https://static.noagendasocial.com/media_attachments/files/111/173/887/015/167/435/original/839aae6ed88573d1.jpeg 
 @2c12ab64 have you triedd asking it? 
 @2c12ab64 I believe that is British soldier lichen. 
 Might be beach bark cankers could also be some kind of gum resin
Is there an arborists at a uni near you?
https://www.unh.edu/unhtoday/2021/07/beechbarkdisease 
 @2c12ab64 I don't know but I think I caught a case of it.