Might be some calc rock in the outcrops here.
Lobes with pale, raised edges. Thallus doesn’t appear pruinose. Going off habit - no spot test
Leaning. Thallus sorediate; pseudocyphellae present on upper lobes; marginal cilia absent; lower surface and rhizines black. Unsure about black discs - I don’t think they’re apothecia.
Thallus bushy to pendent, usnic, w/ thin cortex; pseudocyphellae absent; branches irregular in x section; sorediate
Not sure if apothecia are too dark for albocaerulescens; or if concentric enough for crustulata
Podetia with many +/- dichotomous branches; cortex present; thallus gray-green; lacking soredia; secondary squamules many
On rock; thallus crustose, areolate; apothecia orange + pruinose
Leaning. On deciduous bark; apothecia minuscule, variously pale to dark brown; thallus yellowish
Thallus of lobed rosettes, almost foliose; lobe margins thickened, somewhat pruinose; apothecia lecanorine, sessile; on pillow basalt. Lecanora muralis in Brodo.
lobes not perforated; black confined to lower surface; sorediate on lobe tips. Spruce-fir forest.
Growing on subway lines