 In the field , the mushroom is reliably distinguished from the true morels on the basis of cap attachment : V. bohemica has a cap that hangs completely free from the stem . Although widely considered edible , consumption of the mushroom is generally not advised due to reports of poisoning in susceptible individuals . <unk> symptoms include gastrointestinal upset and lack of muscular coordination . V. bohemica is found in northern North America , Europe , and Asia . It fruits in early spring , growing on the ground in woods following the snowmelt , before the appearance of " true morels " ( genus Morchella ) . The synonym Ptychoverpa bohemica is often used by European <unk> . 
