I found this stuff while camping in the Okanogan area of north central Washington. It had been left at a campsite by someone else, so I don't know what it looks like when the tree is still standing. The most distinguishing characteristic is that the bark smells AWESOME when it burns. It almost smells like incense. It's not something I've come across on this side of the mountains, but someone from the east side of the Cascades should know what it is. Anyone?