Northwest Lichenologists

crustose lichen

  • 30 Nov 2015 1:42 PM
    Message # 3668042

    Hi rock lichen fans,


    The little brown lichen in the photo gallery labeled LABE-361, appears to be K- KC-, the layer below the hymeniun in the apothecia is I+light purple. The spores are dark and around 10.24-12.8x5.12-7.68 microns. Apothecia have a thalline margin and range in size from .5mm to .2mm. Looks like 8 spores per ascus. It's growing on basalt.


    Any ideas on the genus of this one?

  • 01 Dec 2015 7:55 AM
    Reply # 3669280 on 3668042
    Bruce McCune (Administrator)

    Hard to tell from the photos, but if it has lobate margins, you might try Dimelaena.

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