initially pulvinate, very depressed, rounded at the edge, more or less umbilicate at the centre, then expanded and generally distinctly depressed at the centre, sometimes even crater-shaped at maturity, margin obtuse and abrupt at first, sometimes revealing the anterior portion of the gills, regular or broadly lobed-wavy, smooth, occasionally briefly furrowed at the edge (e.g., over 5 mm)[1]
Notice: The data in the table above is semi-automatically extracted from the description. Please be sure to check the original documents for accurate information.