Cerrena unicolor

One of many turkey-tail-ish little polypores that are often ignored by mushroom hunters, Cerrena unicolor is actually fairly easy to identify if you take the time to examine it closely. The underside features a whitish to gray, maze-like surface that becomes tooth-like as the mushroom matures--and the fuzzy upper surface is whitish to grayish but often appears green from algae.

But identifying Cerrena unicolor isn't nearly as thrilling as discovering the fascinating relationship it has with the horntail wasp (Tremex columba) and the ichneumonid wasp (Megarhyssa spp.). It's a complicated story, and I admit I have not done exhaustive research, but the broad strokes are as follows source

source	iNaturalist is a citizen science platform and online social network that allows users to record and share observations about biodiversity, as well as assist in species identification. The platform allows users to upload photos or videos of plants, animals, and other organisms, which can then be identified by a community of other users. In addition, iNaturalist also has an automatic identification feature that uses computer vision to help identify species.