false parasol - chlorophyllum molybdites

grass mushroom fungus green nature woodland lawn forest soil leaf flower false parasol chlorophyllum molybdites commonly green-spored lepiota vomiter widespread poisonous producing severe gastrointestinal symptoms vomiting diarrhea confused shaggy rhacodes mane coprinus comatus misidentified north america large size similarity edible macrolepiota procera habit growing areas human habitation reasons cited poisoning mushroom america gastrointestinal