False parasol - Chlorophyllum molydbites

''Chlorophyllum molybdites'', commonly known as the green-spored parasol, false parasol, green-spored lepiota and vomiter, is a widespread mushroom. Poisonous and producing severe gastrointestinal symptoms of vomiting and diarrhea, it is commonly confused with the shaggy parasol or shaggy mane , and is the most commonly misidentified poisonous mushroom in North America. Its large size and similarity to the edible parasol mushroom , as well as its habit of growing in areas near human habitation,.. more