SafePlants

Rimmed Lichen

The term "Rimmed Lichen" refers to several different species of lichens, with various common names depending on the specific species. This entry provides general information gathered from various sources about lichens referred to as "Rimmed Lichens."

Nomenclature and Taxonomy

• Family: Hymeneliaceae (for some Aspicilia species)
• Genus: Aspicilia (many "Rimmed Lichen" species belong to this genus)
• Synonyms: Lecanora reptans, Lecanora ryrkaipiae (for Aspicilia reptans)

Considerations for Pets

• The text mentions "Copper rimmed cloche" used to protect plants from slugs and snails. These cloches may present a physical barrier for pets.

Distribution and Habitat

• Various Rimmed Lichen species are found in diverse locations, including Ireland, California (Sagehen Creek Basin), France, and the valley of the Dry Frio River.
• Some species, such as Aspicilia calcarea (Calcareous Rimmed Lichen), are found on limestone rock.

Morphological Characteristics

• Crustose lichens may have a rim surrounding the cup-shaped apothecia.
• Some lichens have a jelly-like thallus when wet, which shrinks and becomes strongly wrinkled when dry (e.g., Mealy-rimmed shingle lichen - Pannaria conoplea).

Quirky Facts

• The name "Rimmed Navel Lichens" is applied to members of the Rhizoplaca genus due to their appearance.

Interactions with Other Organisms

• Lichens are a symbiotic combination of a fungus and algae (green or blue-green) or a combination of both.
• Cloches (mentioned as "Copper rimmed cloche") are used to protect plants from deer, rabbits, squirrels, and birds.

Resources and Further Information

• MO, ToL, BHL, and WikiSpecies are mentioned as sources of further information.
• Lichen Flora of the Greater Sonoran Desert Region (University, Tempe)
• Wikimedia Commons