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"Apothecia" on Lobaria pulmonaria

  • 10 Dec 2022 9:37 PM
    Message # 13021305

    Dear fellow Lichenologists,

    I want to ask if these are the apothecia of Lobaria pulmonaria, or a lichenicolous fungi on it. I also observed it on Lobaria linita, or possibly pre-sorediate form of L. pulmonaria. Thank you for your help! 

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  • 11 Dec 2022 8:01 AM
    Reply # 13021601 on 13021305
    Bruce McCune (Administrator)

    That's definitely a lichenicolous fungus. Lobaria pulmonaria's apothecia are smooth and reddish brown. If you want to track down the fungus, you might start with this database of lichenicolous fungi in the PNW. You can search by host.

  • 12 Dec 2022 12:46 PM
    Reply # 13022976 on 13021305

    Thank you for your help! I think it is Plectocarpon lichenum as I searched it up.

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