Hands reach in to cut a Berkeley's polypore mushroom cap with a knife

berkeleys polypore fungus mushroom knife mycology fungi mycelium russulales mushroom bondarzewia berkeleyi forage cluster edible underside ingredient butt rot nature forest bottom bondarzewiaceae cap outdoors food harvest inspect gather parasite hand edge outer north america flesh tree nutrition rot rosette cream cut outside pick medium shot collect hardwood day knife leaves caucasian flat daytime exterior