i don't know what it is, just that it brings me joy
edit: it's a misidentified moss. 34 years old and still learning new things everyday
I asked the instructor of a lichen class I took a couple months ago and this was her response to the photo:
It's just moss with some dry spots in it. Mosses don't lichenize; the photosynthesizer is going to be either an algae, a cyanobacteria, or both.