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Arthonia caesia (old name Chrysothrix caesia) The yellowish crust with blue apothecia is Chrysothrix caesia. Habitat is a very old jack pine (Pinus banksiana) cone that has probably been on this branch for about 20 years. Arthonia caesia,Chrysothrix caesia,Geotagged,Minnesota,Spring,United States,frosted comma lichen Click/tap to enlarge

Arthonia caesia (old name Chrysothrix caesia)

The yellowish crust with blue apothecia is Chrysothrix caesia. Habitat is a very old jack pine (Pinus banksiana) cone that has probably been on this branch for about 20 years.

    comments (2)

  1. View Jivko Nakev's profile
    Jivko Nakev
    Lion
    View Lion class
    Gary, maybe we have a similar situation here:
    http://www.mycobank.org/name/Allarthonia%20caesia&Lang=Eng
    vs
    http://lichenportal.org/portal/taxa/index.php?taxon=128284     Posted 6 years ago
    1. View Gary B's profile
      Gary B
      Lion
      View Lion class
      Jivko, I agree. I'm going to reverse the genus names in the title to reflect the current nomenclature. Posted 6 years ago

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The Chrysothrix caesia

Chrysothrix caesia is a lichenized species of fungi in the family Chrysothricaceae.

Info 2 0
Similar species: Arthoniales
Species identified by Jivko Nakev
View Gary B's profile

By Gary B

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Uploaded Feb 25, 2019. Captured Apr 6, 2016 13:11 in 4408 Miller Rd, Barnum, MN 55707, USA.
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  • Canon EOS DIGITAL REBEL
  • f/2.8
  • 1/250s
  • ISO400
  • 100mm