Now this one will get all of the "weird biology" freaks excited. Behold! An abandon plant gall covered in multiple species of lichen!
I can't help but think of how it looks like a little planet, like it's a tiny world all to itself...
Plants, insects, fungi, bacteria all interacting to create this.
This photo is from razehider.tumblr.com and they have more photos of for you at this link: https://www.tumblr.com/razehider/755923087578546176/the-lichen-gall-i-posted-about-a-while-back-is?source=share