The specific epithet bohemica refer to Bohemia ( now a part of the Czech Republic ) , where Krombholz originally collected the species . The mushroom is commonly known as the " early morel " , " early false morel " , or the " wrinkled thimble @-@ cap " . Ptychoverpa is derived from the Ancient Greek ptyx ( genitive form ptychos ) , meaning " fold " , layer " , or " plate " .