Growing on Ulmus alata.
Richmond, VA. - sub-urban
Found on a fallen oak branch, with many other lichen species. Spores 7 - 10 µm, 8 per ascus.
Tentative id. I mean it is lecanorine, right? Growing on artificial stone foundation of some kind.
in spruce-fir forests at 6000+ft elevation
on balds at 6000+ft elevation
in spruce-fir forests at ca 6000ft elevation