Brief Summary

    Arthonia: Brief Summary
    provided by wikipedia

    Arthonia is a genus of lichens in the family Arthoniaceae. It was circumscribed by Swedish botanist Erik Acharius in 1806.

    It is a genus of thin crustose lichen of widely varying forms, commonly called comma lichens.:222

    provided by World Register of Marine Species
    Lichenized genus with maritime species.

Comprehensive Description