Although most fungi are harmless, a small number are extremely toxic, and should be handled with caution. Never eat a fungus unless you are completely certain of its identity, and the species is known to be edible. If in doubt, discard it.
Puff Balls and Stalked Puff Balls
Gilled Mushrooms with White or Pale Spores
Gilled Mushrooms with Pink Spores
Gilled Mushrooms with Lilac Spores
Gilled Mushrooms with Brownish Spores
Gilled Mushrooms with Rust-Brown or Rust Spores
Gilled Mushrooms with Dark Brown Spores
Gilled Mushrooms with Purple-Brown Spores
Gilled Mushrooms with Black, Purple-Black or Brown-Black Spores