Identification: Is this a kind of fungus on my tree?

Discussion in 'Fungi, Lichens and Slime Molds' started by kernie, May 1, 2010.

  1. kernie

    kernie Member

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    I have this on a maple and on a Viburnum rhytidophyllum. The viburnum is nearly dead and I don't know if it's salvageable. It's got new growth but all the older more established branches seem dead. I can peel off pieces of the greenish-grey stuff. It's relatively flat but a little fleshy. Anyone know if this is fungus and, if so, what kind of fungus?

    Thanks much!

    Kernie
     

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  2. togata57

    togata57 Generous Contributor 10 Years

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    Lichen.
     
  3. kernie

    kernie Member

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    Thanks for the quick reply, togata57! Do you know what kind of Lichen it is and if it is dangerous to the trees?
     
  4. togata57

    togata57 Generous Contributor 10 Years

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    Dunno the specific name of yours, but I am sure that our expert forum members will. (Perhaps it is one of the foliose kinds, such as shield lichen.)
    So far as I know, the lichen will not harm your tree.
    Interestingly, lichen is a 'dual organism'---it is both fungus and alga, which live together symbiotically. Cool!
     
  5. Frog

    Frog Contributor Forums Moderator 10 Years

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    I agree with Togata57, it is a shield lichen (in 1st photo), probably Parmelia sulcata, and it will not harm your tree at all.
     
  6. kernie

    kernie Member

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    Thanks much Frog and Togota57. I appreciate the help!
     

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