Davis Nature Preserve
Growing on vertical, partly-shaded sandstone in mesic deciduous forest. ID uncertain. K+ orange-yellow
Growing on S-facing exposed sandstone outcrop. ID based on concave squamules with white margin growing on rock, and with apothecia not limited to margins.
Growing near base of exposed SW-facing sandstone cliff in oak savanna habitat. ID based on concave squamules with apothecia not limited to margins, white margins, and rock substrate.
On east-facing cool, shaded sandstone cliff in mature forest at edge of shrub swamp. At point where cliff juts slightly out to east, beneath Acer rubrum with interesting architecture on edge of cliff. 3-4 thalli noticed. ID uncertain.