Fomitopsis spraguei
Fomitopsis spraguei is a polypore isolated from Washington and Oregon.[1] It can function as a plant pathogen for Quercus species, or as a detritivore for various hardwood logs.[1] IdentificationF. spraguei is a perennial fungi. It is sessile, meaning it sticks out from the wood, and sometimes curls up on the edges.[1] It can grow to up to 4 cm thick.[1] The top surface can be ivory white to grey, without any bands or rings.[1] It may have matted "hairs" or be smooth, there is some variation within the species.[1] The bottom of the fungus may be white, buff, or pale brown, and may have a pink tint.[1] The inside of the fungus if broken open is tough and corky, coloured white to grey.[1] There are 3-6 round pores per millimetre.[1] See alsoReferences
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