Northwest Lichenologists

Melanelia subolivacea

  • 04 Sep 2023 10:03 AM
    Message # 13249927
    Andrea Pipp (Administrator)

    As anyone found cilia, spinules, or isidia on the rim of apothecia of Melanohalea subolivacea?  I collected it on a coniferous branch along with Melanohalea elegantula on the Helena-Lewis & Clark National Forest in Montana.  I'm attaching photos.  I counted the spores and there are 8 in the ascus.  

    2 files
  • 05 Sep 2023 10:46 AM
    Reply # 13250345 on 13249927

    I am not sure I have seen exactly those little skinny things, but I see all sorts of lumps and things along the rims. I would think they are not isidia or spinules but just the equivalent of the sort of isidioid lumps one finds all over the thallus on some thalli.

    Very cool looking!

  • 05 Sep 2023 1:43 PM
    Reply # 13250455 on 13249927
    Andrea Pipp (Administrator)

    I saw them on several specimens from different plots.  I think they are actually rhizines.

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