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Fomes excavatus There was a bunch of bracket fungi that ranged in color from orange to brown growing on these birch logs. Several of them had amorphic shapes. This one was hoof-shaped, but the pores had been overcome by the spreading fungus.<br />
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Habitat: Rotting yellow birch logs in a mixed forest.<br />
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*This is identified as Fomes fomentarius, but the ID is actually Fomes excavatus.  From what I have been told, Fomes fomentarius is European and that Fomes excavatus is the North American species that resembles F. fomentarius. As far as I know, they are in the process of being considered separate species. Fall,Fomes excavatus,Fomes fomentarius,Geotagged,United States,fomes Click/tap to enlarge Promoted

Fomes excavatus

There was a bunch of bracket fungi that ranged in color from orange to brown growing on these birch logs. Several of them had amorphic shapes. This one was hoof-shaped, but the pores had been overcome by the spreading fungus.

Habitat: Rotting yellow birch logs in a mixed forest.

*This is identified as Fomes fomentarius, but the ID is actually Fomes excavatus. From what I have been told, Fomes fomentarius is European and that Fomes excavatus is the North American species that resembles F. fomentarius. As far as I know, they are in the process of being considered separate species.

    comments (6)

  1. Holy crap! This is cool! Posted 4 months ago
    1. Thanks! I thought so too. I've never seen the pores engulfed like this before. Posted 4 months ago
      1. Wait, is this a case of fungus parasite on another fungus? It looks like it (?)
        Nice sighting!
        Posted 4 months ago
        1. I'm not sure, but I think so. The white, fuzzy part looks like a different fungus. Posted 4 months ago
  2. Reminds me of the piebald pythons I lust after ha! Same colours, textures. How beautiful and thoroughly intriguing especially if this is indeed a fungus growing on another fungus. Posted 4 months ago
    1. I had to look up piebald python, but you're right! It looks just like one. So cool! Posted 4 months ago

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''Fomes fomentarius'' is a species of fungal plant pathogen found in Europe, Asia, Africa and North America. The species produces very large polypore fruit bodies which are shaped like a horse's hoof and vary in colour from a silvery grey to almost black, though they are normally brown. It grows on the side of various species of tree, which it infects through broken bark, causing rot. The species typically continues to live on trees long after they have died, changing from a parasite to a decomposer.
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Similar species: Polyporales
Species identified by Christine Young
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By Christine Young

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Uploaded Oct 6, 2018. Captured Oct 6, 2018 12:03 in 91 Main St, Sharon, CT 06069, USA.
  • Canon EOS 80D
  • f/5.0
  • 1/64s
  • ISO400
  • 100mm