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rimmed lichen

Scientific Name: Aspicilia novae-semliae

Family: Hymeneliaceae

Category: Lichen

Growth: Lichenous

Duration:

Other Names:

       

Rimmed Lichen (Aspicilia spp.) and Other Related Lichens

This page provides information on various lichens commonly referred to as "rimmed lichens," particularly those belonging to the genus Aspicilia. Lichens are composite organisms arising from a symbiotic relationship between fungi and algae or cyanobacteria.

Considerations for Pets

  • The text mentions cloches, sometimes copper-rimmed, used to protect plants from animals like deer, rabbits, squirrels, and birds. The presence of these animals in gardens suggests these areas might be accessible to pets as well.

Scientific Classification and Nomenclature

  • Genus: Aspicilia A. Massal.
  • Family: Hymeneliaceae
  • Kingdom: Fungi (as lichens are primarily classified based on their fungal component)
  • Synonyms/Alternative Names:
    • Lecanora reptans (for Aspicilia reptans)
    • Lecanora ryrkaipiae (for Aspicilia reptans)

Types of Rimmed Lichens Mentioned

  • Aspicilia annulata
  • Aspicilia calcarea (Calcareous Rimmed Lichen)
  • Aspicilia cinerea (Cinder Lichen)
  • Aspicilia contorta (Contorted Rimmed Lichen)
  • Aspicilia quartzitica

Other Lichens Mentioned:

  • Rimmed Navel Lichens (Rhizoplaca genus, Lecanoraceae family)
  • Mealy-rimmed Shingle Lichen (Pannaria conoplea)
  • White-rimmed Shingle Lichen / Rimmed Shingle Lichen (Fuscopannaria leucosticta)
  • Powder-rimmed camouflage lichen (Melanelixia albertana)
  • Gray-rimmed Firedot Lichen (Caloplaca cerina)
  • Old wood rimmed lichen (Lecanactis salicina)
  • Rimmed cobblestone lichen (Acarospora glaucocarpa)

Distribution and Habitat

  • Some species are found on limestone rock.
  • Observations have been recorded in locations such as the valley of the Dry Frio River.
  • Sagehen Creek Basin, CA.
  • Olonne-sur-Mer, Vendee, Pays de la Loire, France.
  • D'Ossoue, Pyrenees, France
  • Western France

Morphological Characteristics

  • Rimmed lichens often have a distinct rim surrounding their apothecia (cup-shaped structures).
  • Some have a jelly-like thallus (body) when wet, which shrinks and wrinkles when dry.
  • Rimmed Navel Lichens (Rhizoplaca) are named for their rimmed appearance.

Interactions with Other Organisms

  • Cloches are used to protect plants from deer, rabbits, squirrels, and birds.
  • Snails (specifically "Horn-rimmed snails") are found on lichens.

Additional Information

  • Waitrose Garden in association with Crocus offers "Copper rimmed cloche - lichen green."

Quirky Facts

  • There is mention of Quartzite Rimmed Lichen and a "handy calendar tool" for determining the best time to plant it. As lichens are not typically "planted", this may suggest a misinterpretation or a novel horticultural application.

Further Resources

  • Mention is made of databases and resources such as:
    • MO (likely referring to the Missouri Botanical Garden)
    • ToL (Tree of Life Web Project)
    • BHL (Biodiversity Heritage Library)
    • WikiSpecies