United States, Pennsylvania, Chester, At the intersection of Chrome Trail and Nature Trail, ca. 1 1/2 miles from park entrance along Park Road, Nottingham Serpentine Barrens, Nottingham Park, southwest of Nottingham, ca. 3 miles northwest of Rising Sun.
39.73778 -76.03861
39°44'16"N, 76°02'19"W
116 meters
ca. 380 ft.
In an open hillside with extensive rock exposures, "savanna" serpentine barren, and bordered by a pine dominated pine - oak forest.
On rocks.
Cladonia cristatella, Cladonia subcariosa s. lat., Cladonia grayi, Cladonia piedmontensis
Thallus saxicolous, crustose, areolate, gray, esorediate, UV-; apothecia black, margins smooth, persistent; epihymenium blue-green; hymenium colorless; hypothecium brown; spores colorless, simple, obtuse-ellipsoid, ca. 8-per ascus, 6 micro m x 2-3 micro m