White shelf mushroom with teeth9/10/2023 ![]() Truffle mushrooms grow underground and bear their spores internally, not on external toothlike surfaces, so this is where the etymology completely loses me. The word “Hydnum” is a New Latin adaptation of the Greek word “hudnon”, which means “truffle” (1). (A longer aside on naming than usual: “hydnoid” means “resembling a hydnum” – go figure – and Hydnum is the name of a genus of mushroom that I suppose was the first “toothy” mushroom group ever made. ![]() Image credit: “File:Hydnellum peckii – Karvasorakas C IMG 7752.jpg” by Anneli Salo is licensed under CC BY-SA 4.0 A specimen of Hydnellum peckii that is not exuding liquid. The teeth are the spore-bearing surface, which makes this a hydnoid mushroom. ![]() It may look like a ‘normal’ white or blush colored mushroom, with a fairly thick stipe and little protrusions like tiny, pointy “teeth” on the underside. “Bleeding Tooth fungus”, Hydnellum peckii (hide-nell-um peck-ee-eye), can be a very strange mushroom to stumble upon. But I’m still very much learning and recently had a nice dose of humility. For example, I correctly identified those yellow mushrooms as being Lactarius specimens before cutting their gills, and my Sulfur Shelf ID holds up years later. Content warning: There is no blood in this post, but there are mushrooms with features that resemble blood droplets.Īs I’ve grown in my mushroom identification skills over the years, I have been delighted to find that sometimes I can identify a fungus – to the genus or even species – right away.
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