Can you help me identify a fungus growing on my oak tree. The gallery for white shelf fungi. Funghi bianchi mensola su un tronco foto stock jojoo64. Wanderin#039; weeta (with waterfowl and weeds): 03/01/2010. A white polypore fungus. Shelf fungus definition/meaning. White shelf fungi explore cyanocorax#039;s photos on flickr. Bracket fungi clipart clipground.