1. species: Staurothele arctica (accepted name Staurothele arctica)

    Staurothele arctica

  2. species: Gyrophora arctica Ach. (accepted name Umbilicaria arctica)

    Gyrophora arctica Ach.
    Gyrophora arctica

  3. species: Eteone arctica Malmgren, 1867 (accepted name Eteone longa)

    Eteone arctica
    Eteone arctica Malmgren, 1867

  4. species: Spilogona arctica (Zetterstedt, [1838]) (accepted name Spilogona contractifrons)

    Spilogona arctica
    Spilogona arctica (Zetterstedt, [1838])

  5. species: Arctonula arctica (M Sars, 1851) (accepted name Arctonula arctica)

    Arctonula arctica (M Sars, 1851)
    Arctonula arctica

  6. species: Sphacelaria arctica Harvey (accepted name Battersia arctica)

    Sphacelaria arctica
    Sphacelaria arctica Harvey

  7. species: Onoba arctica (accepted name Onoba aculeus)

    Onoba arctica

  8. species: Brachycampta arctica Lundström, 1913 (accepted name Brevicornu arcticum)

    Brachycampta arctica Lundström, 1913
    Brachycampta arctica

  9. species: Melosira arctica (Ehrenb.) Moore ex Ralfs, 1843 (accepted name Melosira arctica)

    Melosira arctica
    Melosira arctica (Ehrenb.) Moore ex Ralfs, 1843

  10. species: Protaphorura arctica (Tullberg, 1876) (accepted name Megaphorura arctica)

    Protaphorura arctica
    Protaphorura arctica (Tullberg, 1876)