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rimmed lichen

Scientific Name: Aspicilia mashiginensis

Family: Hymeneliaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Rimmed Lichen

This page provides information about various lichens referred to as "rimmed lichen," with a particular focus on species within the Aspicilia genus.

Considerations for Pets

  • Wirework cloches, sometimes copper rimmed, are mentioned as a way to keep deer, rabbits, squirrels, and birds away from plants. This suggests that some gardeners may use these cloches to protect lichens or the plants they grow on.

Nomenclature and Taxonomy

  • Common Name: Rimmed Lichen
  • Scientific Names: Several species are referred to as "rimmed lichen," including:
    • Aspicilia reptans
    • Aspicilia annulata
    • Aspicilia cinerea
    • Rhizoplaca (commonly called rimmed navel lichens)
    • Aspicilia calcarea (Calcareous Rimmed Lichen)
  • Synonyms:
    • Lecanora reptans
    • Lecanora ryrkaipiae
  • Family: Mentions include:
    • Hymeneliaceae (for Aspicilia calcarea and others)
    • Lecanoraceae (for Rhizoplaca)
    • Megasporaceae (for a calcareous rimmed lichen)
    • Opegraphaceae (for Lecanactis, old wood rimmed lichen)
  • Taxonomic Rank: Species, Genus

Distribution and Habitat

  • The Calcareous Rimmed Lichen (Aspicilia calcarea) has been observed in the valley of the Dry Frio River and on limestone rock.
  • Occurrences of rimmed lichen have been recorded in France in May.
  • Specific mention of occurrence in Ireland, specifically Contorted Rimmed Lichen (Aspicilia contorta).
  • Observed on rocks atop Lookout Mountain, Ochoco National Forest (possible rimmed navel lichen).

Morphological Characteristics

  • Rhizoplaca species are called "rimmed navel lichens" due to their appearance.
  • Pannaria conoplea is described as having a jelly-like thallus when wet that shrinks and becomes strongly wrinkled when dry, and is referred to as "Mealy-rimmed shingle lichen."
  • Ochrolechia oregonensis has white-rimmed, peach-colored disks.

Interactions with Other Organisms

  • Lichens are typically a symbiotic combination of a fungus and algae (green or blue-green).
  • Wirework cloches are used to protect lichens (or the plants they grow on) from deer, rabbits, squirrels, and birds.

Quirky Facts

  • There is a "Lichen Trail" located in a picnic area.
  • The audio pronunciation of "Rimmed lichen" is available on pronouncekiwi.

Further Information

  • Mention of MO, ToL, BHL, and WikiSpecies as potential resources for more information.
  • Catalogue of Life: 2012 Annual Checklist is mentioned as a source for taxonomic information.
  • Getty Images offers stock photos of Calcareous Rimmed Lichen.
  • Minden Pictures is noted as a provider of wildlife and nature stock photography.