Michael & Patricia Fogden / Blood-red Marasmius (Marasmius haematocephalus) rainforest, La Selva Biological Research Station, Costa Rica

Thomas Marent / Blood-red Marasmius (Marasmius haematocephalus) mushroom, Tayrona National Natural Park, Colombia

Robert Pickett / Pink Agaric Mushroom (Marasmius haematocephalus), Hacienda Baru, Costa Rica