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?
Algal bloom
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