T Martin2010:
Pencilmark Lichen or Common Script Lichen - Graphis scripta and Liverwort (Frullania sp., possibly Frullania eboracensis)
T Martin2010:
Pencilmark Lichen or Common Script Lichen - Graphis scripta and Liverwort (Frullania sp., possibly Frullania eboracensis)
T Martin2010:
Common Script Lichen - Graphis scripta