4. Large Leaved Aster – Also known as “lumberjack toilet paper,” and for good reason. The large, smooth, heart-shaped leaves are perfect for wiping, and the plant can be found in abundance across the eastern United States and Canada.
5 Things That Can Be Used as Toilet Paper When in The Wild

Great post. Gonna share it.
Believe me! They all suck..
you can use Poison Ivy, but I wouldn’t sugguest it
Rabbits, squirrels (preferably unconscious.) 😉
And poison oak grows like a vine up tree’s and there leaves blend in with the tree leaves. I true embarrassing lesson I learned once having to go out in the woods.