Dung-loving bird's nest (Cyatha stercoreus). John Heinz National Wildlife Refuge, Philadelphia, PA.
Immature dung-loving bird's nest (Cyathus stercoreus) on woodchip. John Heinz National Wildlife Refuge, Philadelphia, PA.
Fluted bird's nest fungus (Cyathus striatus) with three peridioles and a springtail (possibly Lepidocyrtus cyaneus). Stoneleigh Garden, Villanova, PA
