Jack-O-Lantern Mushrooms (Omphalotus Olearius) Unlike the chanterelle, the jack-o'-lantern mushroom contains the toxin illudin S, and is poisonous to humans. While not lethal, consuming this mushroom leads to very severe cramps, vomiting, and diarrhea.
Mushroom Lichen - "Lichenomphallia a genus of lichenized Basidomycetes or club fungi which has spores produced on club-shaped basidia. The lichen fungus resembles a mushroom and the algae are concentrated in special tissues or lobes at the base of the fruiting body. This plant is found in both books on Lichens and mushrooms.