Northwest Lichenologists

crustose ID

  • 26 Oct 2016 6:36 PM
    Message # 4350370

    Hey crustose people, I need some help with a small crustose on rock. It came from south central Oregon. Spot tests are negative except the exciple is I+B. Spores are globose with a halo. Size range from 8.0 to 12.8µ. Apothecia range from .05 to 2mm. There are 3 photos in the gallery marked Abert Rim lichen.


    Thanks for the help,

    Steve

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