center somewhat irregularly rugulose to pitted, less so toward the sulcate-striate margin, hygrophanous, dry, minutely white pruinose at first, soon becoming glabrous, almost blackish-brown at the center, dark brown (7F5-7 to 8F5-7) to reddish-brown (8E4-6) farther outward, much paler at the margin, occasionally evenly colored dark brown (7F5-7 to 8F5-7)[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.