Michael Rosengarten:
Mushrooms
Michael Rosengarten:
Mushrooms
Michael Rosengarten:
Mushrooms
Michael Rosengarten:
Mushrooms
Michael Rosengarten:
Mushroom
Michael Rosengarten:
Lichen, Valley Forge Park
Michael Rosengarten:
Mushroom
Michael Rosengarten:
Mushrooms and lichen
Michael Rosengarten:
Mushroom/fungus
Michael Rosengarten:
Moss
Michael Rosengarten:
Old cut tree at McKaig Nature Center with lots of lichen growing on it. (Not sure if all lichen)